Prompt:
Explain this yaml code:

apiVersion: apps/v1
# Alternatively, you can deploy the agents as Deployments. It is not necessary
# to have an agent on each node.
kind: DaemonSet
metadata:
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
    k8s-app: konnectivity-agent
  namespace: kube-system
  name: konnectivity-agent
spec:
  selector:
    matchLabels:
      k8s-app: konnectivity-agent
  template:
    metadata:
      labels:
        k8s-app: konnectivity-agent
    spec:
      priorityClassName: system-cluster-critical
      tolerations:
        - key: "CriticalAddonsOnly"
          operator: "Exists"
      containers:
        - image: us.gcr.io/k8s-artifacts-prod/kas-network-proxy/proxy-agent:v0.0.37
          name: konnectivity-agent
          command: ["/proxy-agent"]
          args: [
                  "--logtostderr=true",
                  "--ca-cert=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt",
                  # Since the konnectivity server runs with hostNetwork=true,
                  # this is the IP address of the master machine.
                  "--proxy-server-host=35.225.206.7",
                  "--proxy-server-port=8132",
                  "--admin-server-port=8133",
                  "--health-server-port=8134",
                  "--service-account-token-path=/var/run/secrets/tokens/konnectivity-agent-token"
                  ]
          volumeMounts:
            - mountPath: /var/run/secrets/tokens
              name: konnectivity-agent-token
          livenessProbe:
            httpGet:
              port: 8134
              path: /healthz
            initialDelaySeconds: 15
            timeoutSeconds: 15
      serviceAccountName: konnectivity-agent
      volumes:
        - name: konnectivity-agent-token
          projected:
            sources:
              - serviceAccountToken:
                  path: konnectivity-agent-token
                  audience: system:konnectivity-server

Response: This yaml code Set up Konnectivity service | Last, if RBAC is enabled in your cluster, create the relevant RBAC rules:


Prompt:
Complete this yaml code:

admin/konnectivity/konnectivity-rbac.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: system:konnectivity-server
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:auth-delegator

Response:
subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: User
    name: system:konnectivity-server
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: konnectivity-agent
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile

Context: Set up Konnectivity service |


Prompt:
Explain this yaml code:

admin/konnectivity/konnectivity-rbac.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: system:konnectivity-server
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:auth-delegator
subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: User
    name: system:konnectivity-server
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: konnectivity-agent
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile

Response: This yaml code Set up Konnectivity service |

Context: Set up Konnectivity service |


Prompt:
Complete this yaml code:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: system:konnectivity-server
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:auth-delegator
subjects:

Response:
  - apiGroup: rbac.authorization.k8s.io
    kind: User
    name: system:konnectivity-server
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: konnectivity-agent
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile

Context: Set up Konnectivity service |


Prompt:
Explain this yaml code:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: system:konnectivity-server
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:auth-delegator
subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: User
    name: system:konnectivity-server
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: konnectivity-agent
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile

Response: This yaml code Set up Konnectivity service |

Context: Set up Konnectivity service |


Prompt:
Explain this bash code:

kubectl rollout history (TYPE NAME | TYPE/NAME) [flags]

Response: This bash code kubectl rollout history | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.

Context: kubectl rollout history | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.


Prompt:
Complete this text code:

# View the rollout history of a deployment
  kubectl rollout history deployment/abc

Response:
  # View the details of daemonset revision 3
  kubectl rollout history daemonset/abc --revision=3


Prompt:
Explain this text code:

# View the rollout history of a deployment
  kubectl rollout history deployment/abc

  # View the details of daemonset revision 3
  kubectl rollout history daemonset/abc --revision=3

Response: This text code kubectl rollout history | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.


Prompt:
Explain this bash code:

kubectl rollout history (TYPE NAME | TYPE/NAME) [flags]

Response: This bash code kubectl rollout history | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.


Prompt:
Complete this text code:

# View the rollout history of a deployment
  kubectl rollout history deployment/abc

Response:
  # View the details of daemonset revision 3
  kubectl rollout history daemonset/abc --revision=3


Prompt:
Explain this text code:

# View the rollout history of a deployment
  kubectl rollout history deployment/abc

  # View the details of daemonset revision 3
  kubectl rollout history daemonset/abc --revision=3

Response: This text code kubectl rollout history | If true, ignore any errors in templates when a field or map key is missing in the template. Only applies to golang and jsonpath output formats.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:

Response:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi

Context: Limit Storage Consumption | Minimum storage requests are used when the underlying storage provider requires certain minimums. For example, AWS EBS volumes have a 1Gi minimum requirement.


Prompt:
Explain this yaml code:

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi

Response: This yaml code Limit Storage Consumption | Minimum storage requests are used when the underlying storage provider requires certain minimums. For example, AWS EBS volumes have a 1Gi minimum requirement.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: ResourceQuota
metadata:
  name: storagequota

Response:
spec:
  hard:
    persistentvolumeclaims: "5"
    requests.storage: "5Gi"

Context: Limit Storage Consumption | A limit range can put a ceiling on how much storage is requested while a resource quota can effectively cap the storage consumed by a namespace through claim counts and cumulative storage capacity. Th


Prompt:
Explain this yaml code:

apiVersion: v1
kind: ResourceQuota
metadata:
  name: storagequota
spec:
  hard:
    persistentvolumeclaims: "5"
    requests.storage: "5Gi"

Response: This yaml code Limit Storage Consumption | A limit range can put a ceiling on how much storage is requested while a resource quota can effectively cap the storage consumed by a namespace through claim counts and cumulative storage capacity. Th


Prompt:
Complete this yaml code:

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:

Response:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi


Prompt:
Explain this yaml code:

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi

Response: This yaml code Limit Storage Consumption | Minimum storage requests are used when the underlying storage provider requires certain minimums. For example, AWS EBS volumes have a 1Gi minimum requirement.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: ResourceQuota
metadata:
  name: storagequota

Response:
spec:
  hard:
    persistentvolumeclaims: "5"
    requests.storage: "5Gi"


Prompt:
Explain this yaml code:

apiVersion: v1
kind: ResourceQuota
metadata:
  name: storagequota
spec:
  hard:
    persistentvolumeclaims: "5"
    requests.storage: "5Gi"

Response: This yaml code Limit Storage Consumption | A limit range can put a ceiling on how much storage is requested while a resource quota can effectively cap the storage consumed by a namespace through claim counts and cumulative storage capacity. Th


Prompt:
Complete this yaml code:

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:

Response:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi


Prompt:
Explain this yaml code:

apiVersion: v1
kind: LimitRange
metadata:
  name: storagelimits
spec:
  limits:
  - type: PersistentVolumeClaim
    max:
      storage: 2Gi
    min:
      storage: 1Gi

Response: This yaml code Limit Storage Consumption | Minimum storage requests are used when the underlying storage provider requires certain minimums. For example, AWS EBS volumes have a 1Gi minimum requirement.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: ResourceQuota
metadata:
  name: storagequota

Response:
spec:
  hard:
    persistentvolumeclaims: "5"
    requests.storage: "5Gi"


Prompt:
Explain this yaml code:

apiVersion: v1
kind: ResourceQuota
metadata:
  name: storagequota
spec:
  hard:
    persistentvolumeclaims: "5"
    requests.storage: "5Gi"

Response: This yaml code Limit Storage Consumption | A limit range can put a ceiling on how much storage is requested while a resource quota can effectively cap the storage consumed by a namespace through claim counts and cumulative storage capacity. Th


Prompt:
Explain this bash code:

kubectl events [(-o|--output=)json|yaml|name|go-template|go-template-file|template|templatefile|jsonpath|jsonpath-as-json|jsonpath-file] [--for TYPE/NAME] [--watch] [--types=Normal,Warning]

Response: This bash code kubectl events | If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.

Context: kubectl events | If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.


Prompt:
Complete this text code:

# List recent events in the default namespace
  kubectl events

  # List recent events in all namespaces
  kubectl events --all-namespaces

  # List recent events for the specified pod, then wait for more events and list them as they arrive

Response:
  kubectl events --for pod/web-pod-13je7 --watch

  # List recent events in YAML format
  kubectl events -oyaml

  # List recent only events of type 'Warning' or 'Normal'
  kubectl events --types=Warning,Normal


Prompt:
Explain this text code:

# List recent events in the default namespace
  kubectl events

  # List recent events in all namespaces
  kubectl events --all-namespaces

  # List recent events for the specified pod, then wait for more events and list them as they arrive
  kubectl events --for pod/web-pod-13je7 --watch

  # List recent events in YAML format
  kubectl events -oyaml

  # List recent only events of type 'Warning' or 'Normal'
  kubectl events --types=Warning,Normal

Response: This text code kubectl events | If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.


Prompt:
Explain this bash code:

kubectl events [(-o|--output=)json|yaml|name|go-template|go-template-file|template|templatefile|jsonpath|jsonpath-as-json|jsonpath-file] [--for TYPE/NAME] [--watch] [--types=Normal,Warning]

Response: This bash code kubectl events | If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.


Prompt:
Complete this text code:

# List recent events in the default namespace
  kubectl events

  # List recent events in all namespaces
  kubectl events --all-namespaces

  # List recent events for the specified pod, then wait for more events and list them as they arrive

Response:
  kubectl events --for pod/web-pod-13je7 --watch

  # List recent events in YAML format
  kubectl events -oyaml

  # List recent only events of type 'Warning' or 'Normal'
  kubectl events --types=Warning,Normal


Prompt:
Explain this text code:

# List recent events in the default namespace
  kubectl events

  # List recent events in all namespaces
  kubectl events --all-namespaces

  # List recent events for the specified pod, then wait for more events and list them as they arrive
  kubectl events --for pod/web-pod-13je7 --watch

  # List recent events in YAML format
  kubectl events -oyaml

  # List recent only events of type 'Warning' or 'Normal'
  kubectl events --types=Warning,Normal

Response: This text code kubectl events | If present, list the requested object(s) across all namespaces. Namespace in current context is ignored even if specified with --namespace.


Prompt:
Complete this text code:

NAME         STATUS   VERSION    CONTAINER-RUNTIME
node-1       Ready    v1.16.15   docker://19.3.1

Response:
node-2       Ready    v1.16.15   docker://19.3.1
node-3       Ready    v1.16.15   docker://19.3.1

Context: Find Out What Container Runtime is Used on a Node | If your runtime shows as Docker Engine, you still might not be affected by the removal of dockershim in Kubernetes v1.24. Check the runtime endpoint to see if you use dockershim. If you don't use dock


Prompt:
Explain this text code:

NAME         STATUS   VERSION    CONTAINER-RUNTIME
node-1       Ready    v1.16.15   docker://19.3.1
node-2       Ready    v1.16.15   docker://19.3.1
node-3       Ready    v1.16.15   docker://19.3.1

Response: This text code Find Out What Container Runtime is Used on a Node | If your runtime shows as Docker Engine, you still might not be affected by the removal of dockershim in Kubernetes v1.24. Check the runtime endpoint to see if you use dockershim. If you don't use dock


Prompt:
Complete this text code:

NAME         STATUS   VERSION   CONTAINER-RUNTIME
node-1       Ready    v1.19.6   containerd://1.4.1

Response:
node-2       Ready    v1.19.6   containerd://1.4.1
node-3       Ready    v1.19.6   containerd://1.4.1

Context: Find Out What Container Runtime is Used on a Node | Find out more information about container runtimes on Container Runtimes page.


Prompt:
Explain this text code:

NAME         STATUS   VERSION   CONTAINER-RUNTIME
node-1       Ready    v1.19.6   containerd://1.4.1
node-2       Ready    v1.19.6   containerd://1.4.1
node-3       Ready    v1.19.6   containerd://1.4.1

Response: This text code Find Out What Container Runtime is Used on a Node | Find out more information about container runtimes on Container Runtimes page.


Prompt:
Complete this none code:

NAME         STATUS   VERSION    CONTAINER-RUNTIME
node-1       Ready    v1.16.15   docker://19.3.1

Response:
node-2       Ready    v1.16.15   docker://19.3.1
node-3       Ready    v1.16.15   docker://19.3.1


Prompt:
Explain this none code:

NAME         STATUS   VERSION    CONTAINER-RUNTIME
node-1       Ready    v1.16.15   docker://19.3.1
node-2       Ready    v1.16.15   docker://19.3.1
node-3       Ready    v1.16.15   docker://19.3.1

Response: This none code Find Out What Container Runtime is Used on a Node | If your runtime shows as Docker Engine, you still might not be affected by the removal of dockershim in Kubernetes v1.24. Check the runtime endpoint to see if you use dockershim. If you don't use dock


Prompt:
Complete this none code:

NAME         STATUS   VERSION   CONTAINER-RUNTIME
node-1       Ready    v1.19.6   containerd://1.4.1

Response:
node-2       Ready    v1.19.6   containerd://1.4.1
node-3       Ready    v1.19.6   containerd://1.4.1


Prompt:
Explain this none code:

NAME         STATUS   VERSION   CONTAINER-RUNTIME
node-1       Ready    v1.19.6   containerd://1.4.1
node-2       Ready    v1.19.6   containerd://1.4.1
node-3       Ready    v1.19.6   containerd://1.4.1

Response: This none code Find Out What Container Runtime is Used on a Node | Find out more information about container runtimes on Container Runtimes page.


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    kubernetes.io/name: CoreDNS
  name: kube-dns
  namespace: kube-system
spec:
  clusterIP: 10.96.0.10

Response:
  ports:
  - name: dns
    port: 53
    protocol: UDP
    targetPort: 53
  - name: dns-tcp
    port: 53
    protocol: TCP
    targetPort: 53
  selector:
    k8s-app: kube-dns
  type: ClusterIP

Context: Service ClusterIP allocation | But, as it was explained before, the IP address 10.96.0.10 has not been reserved. If other Services are created before or in parallel with dynamic allocation, there is a chance they can allocate this


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    kubernetes.io/name: CoreDNS
  name: kube-dns
  namespace: kube-system
spec:
  clusterIP: 10.96.0.10
  ports:
  - name: dns
    port: 53
    protocol: UDP
    targetPort: 53
  - name: dns-tcp
    port: 53
    protocol: TCP
    targetPort: 53
  selector:
    k8s-app: kube-dns
  type: ClusterIP

Response: This yaml code Service ClusterIP allocation | But, as it was explained before, the IP address 10.96.0.10 has not been reserved. If other Services are created before or in parallel with dynamic allocation, there is a chance they can allocate this


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    kubernetes.io/name: CoreDNS
  name: kube-dns
  namespace: kube-system
spec:
  clusterIP: 10.96.0.10

Response:
  ports:
  - name: dns
    port: 53
    protocol: UDP
    targetPort: 53
  - name: dns-tcp
    port: 53
    protocol: TCP
    targetPort: 53
  selector:
    k8s-app: kube-dns
  type: ClusterIP


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    kubernetes.io/name: CoreDNS
  name: kube-dns
  namespace: kube-system
spec:
  clusterIP: 10.96.0.10
  ports:
  - name: dns
    port: 53
    protocol: UDP
    targetPort: 53
  - name: dns-tcp
    port: 53
    protocol: TCP
    targetPort: 53
  selector:
    k8s-app: kube-dns
  type: ClusterIP

Response: This yaml code Service ClusterIP allocation | But, as it was explained before, the IP address 10.96.0.10 has not been reserved. If other Services are created before or in parallel with dynamic allocation, there is a chance they can allocate this


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    kubernetes.io/name: CoreDNS
  name: kube-dns
  namespace: kube-system
spec:
  clusterIP: 10.96.0.10

Response:
  ports:
  - name: dns
    port: 53
    protocol: UDP
    targetPort: 53
  - name: dns-tcp
    port: 53
    protocol: TCP
    targetPort: 53
  selector:
    k8s-app: kube-dns
  type: ClusterIP


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    kubernetes.io/name: CoreDNS
  name: kube-dns
  namespace: kube-system
spec:
  clusterIP: 10.96.0.10
  ports:
  - name: dns
    port: 53
    protocol: UDP
    targetPort: 53
  - name: dns-tcp
    port: 53
    protocol: TCP
    targetPort: 53
  selector:
    k8s-app: kube-dns
  type: ClusterIP

Response: This yaml code Service ClusterIP allocation | But, as it was explained before, the IP address 10.96.0.10 has not been reserved. If other Services are created before or in parallel with dynamic allocation, there is a chance they can allocate this


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}

Response:
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default

Context: Get a Shell to a Running Container | Create the Pod:


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default

Response: This yaml code Get a Shell to a Running Container | Create the Pod:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/shell-demo.yaml

Response: This bash code Get a Shell to a Running Container | Verify that the container is running:

Context: Get a Shell to a Running Container | Verify that the container is running:


Prompt:
Complete this text code:

# You can run these example commands inside the container
ls /
cat /proc/mounts
cat /proc/1/maps
apt-get update
apt-get install -y tcpdump

Response:
tcpdump
apt-get install -y lsof
lsof
apt-get install -y procps
ps aux
ps aux | grep nginx

Context: Get a Shell to a Running Container | Look again at the configuration file for your Pod. The Pod has an emptyDir volume, and the container mounts the volume at /usr/share/nginx/html.


Prompt:
Explain this text code:

# You can run these example commands inside the container
ls /
cat /proc/mounts
cat /proc/1/maps
apt-get update
apt-get install -y tcpdump
tcpdump
apt-get install -y lsof
lsof
apt-get install -y procps
ps aux
ps aux | grep nginx

Response: This text code Get a Shell to a Running Container | Look again at the configuration file for your Pod. The Pod has an emptyDir volume, and the container mounts the volume at /usr/share/nginx/html.


Prompt:
Explain this text code:

# Run this inside the container
echo 'Hello shell demo' > /usr/share/nginx/html/index.html

Response: This text code Get a Shell to a Running Container | In your shell, send a GET request to the nginx server:

Context: Get a Shell to a Running Container | In your shell, send a GET request to the nginx server:


Prompt:
Complete this text code:

# Run this in the shell inside your container
apt-get update

Response:
apt-get install curl
curl http://localhost/

Context: Get a Shell to a Running Container | The output shows the text that you wrote to the index.html file:


Prompt:
Explain this text code:

# Run this in the shell inside your container
apt-get update
apt-get install curl
curl http://localhost/

Response: This text code Get a Shell to a Running Container | The output shows the text that you wrote to the index.html file:


Prompt:
Explain this bash code:

kubectl exec shell-demo -- ps aux
kubectl exec shell-demo -- ls /
kubectl exec shell-demo -- cat /proc/1/mounts

Response: This bash code Get a Shell to a Running Container | If a Pod has more than one container, use --container or -c to specify a container in the kubectl exec command. For example, suppose you have a Pod named my-pod, and the Pod has two containers named m

Context: Get a Shell to a Running Container | If a Pod has more than one container, use --container or -c to specify a container in the kubectl exec command. For example, suppose you have a Pod named my-pod, and the Pod has two containers named m


Prompt:
Explain this bash code:

kubectl exec -i -t my-pod --container main-app -- /bin/bash

Response: This bash code Get a Shell to a Running Container |

Context: Get a Shell to a Running Container |


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}

Response:
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default

Response: This yaml code Get a Shell to a Running Container | Create the Pod:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/shell-demo.yaml

Response: This shell code Get a Shell to a Running Container | Verify that the container is running:


Prompt:
Complete this shell code:

# You can run these example commands inside the container
ls /
cat /proc/mounts
cat /proc/1/maps
apt-get update
apt-get install -y tcpdump

Response:
tcpdump
apt-get install -y lsof
lsof
apt-get install -y procps
ps aux
ps aux | grep nginx


Prompt:
Explain this shell code:

# You can run these example commands inside the container
ls /
cat /proc/mounts
cat /proc/1/maps
apt-get update
apt-get install -y tcpdump
tcpdump
apt-get install -y lsof
lsof
apt-get install -y procps
ps aux
ps aux | grep nginx

Response: This shell code Get a Shell to a Running Container | Look again at the configuration file for your Pod. The Pod has an emptyDir volume, and the container mounts the volume at /usr/share/nginx/html.


Prompt:
Explain this shell code:

# Run this inside the container
echo 'Hello shell demo' > /usr/share/nginx/html/index.html

Response: This shell code Get a Shell to a Running Container | In your shell, send a GET request to the nginx server:


Prompt:
Complete this shell code:

# Run this in the shell inside your container
apt-get update

Response:
apt-get install curl
curl http://localhost/


Prompt:
Explain this shell code:

# Run this in the shell inside your container
apt-get update
apt-get install curl
curl http://localhost/

Response: This shell code Get a Shell to a Running Container | The output shows the text that you wrote to the index.html file:


Prompt:
Explain this shell code:

kubectl exec shell-demo -- ps aux
kubectl exec shell-demo -- ls /
kubectl exec shell-demo -- cat /proc/1/mounts

Response: This shell code Get a Shell to a Running Container | If a Pod has more than one container, use --container or -c to specify a container in the kubectl exec command. For example, suppose you have a Pod named my-pod, and the Pod has two containers named m


Prompt:
Explain this shell code:

kubectl exec -i -t my-pod --container main-app -- /bin/bash

Response: This shell code Get a Shell to a Running Container |

Context: Get a Shell to a Running Container |


Prompt:
Complete this yaml code:

application/shell-demo.yaml
apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data

Response:
    emptyDir: {}
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default


Prompt:
Explain this yaml code:

application/shell-demo.yaml
apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default

Response: This yaml code Get a Shell to a Running Container | Create the Pod:


Prompt:
Complete this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}

Response:
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default


Prompt:
Explain this yaml code:

apiVersion: v1
kind: Pod
metadata:
  name: shell-demo
spec:
  volumes:
  - name: shared-data
    emptyDir: {}
  containers:
  - name: nginx
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html
  hostNetwork: true
  dnsPolicy: Default

Response: This yaml code Get a Shell to a Running Container | Create the Pod:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/shell-demo.yaml

Response: This bash code Get a Shell to a Running Container | Verify that the container is running:


Prompt:
Complete this text code:

# You can run these example commands inside the container
ls /
cat /proc/mounts
cat /proc/1/maps
apt-get update
apt-get install -y tcpdump

Response:
tcpdump
apt-get install -y lsof
lsof
apt-get install -y procps
ps aux
ps aux | grep nginx


Prompt:
Explain this text code:

# You can run these example commands inside the container
ls /
cat /proc/mounts
cat /proc/1/maps
apt-get update
apt-get install -y tcpdump
tcpdump
apt-get install -y lsof
lsof
apt-get install -y procps
ps aux
ps aux | grep nginx

Response: This text code Get a Shell to a Running Container | Look again at the configuration file for your Pod. The Pod has an emptyDir volume, and the container mounts the volume at /usr/share/nginx/html.


Prompt:
Explain this text code:

# Run this inside the container
echo 'Hello shell demo' > /usr/share/nginx/html/index.html

Response: This text code Get a Shell to a Running Container | In your shell, send a GET request to the nginx server:


Prompt:
Complete this text code:

# Run this in the shell inside your container
apt-get update

Response:
apt-get install curl
curl http://localhost/


Prompt:
Explain this text code:

# Run this in the shell inside your container
apt-get update
apt-get install curl
curl http://localhost/

Response: This text code Get a Shell to a Running Container | The output shows the text that you wrote to the index.html file:


Prompt:
Explain this bash code:

kubectl exec shell-demo -- ps aux
kubectl exec shell-demo -- ls /
kubectl exec shell-demo -- cat /proc/1/mounts

Response: This bash code Get a Shell to a Running Container | If a Pod has more than one container, use --container or -c to specify a container in the kubectl exec command. For example, suppose you have a Pod named my-pod, and the Pod has two containers named m


Prompt:
Explain this bash code:

kubectl exec -i -t my-pod --container main-app -- /bin/bash

Response: This bash code Get a Shell to a Running Container |

Context: Get a Shell to a Running Container |


Prompt:
Explain this bash code:

kubectl set selector (-f FILENAME | TYPE NAME) EXPRESSIONS [--resource-version=version]

Response: This bash code kubectl set selector | Select all resources in the namespace of the specified resource types

Context: kubectl set selector | Select all resources in the namespace of the specified resource types


Prompt:
Explain this text code:

# Set the labels and selector before creating a deployment/service pair
  kubectl create service clusterip my-svc --clusterip="None" -o yaml --dry-run=client | kubectl set selector --local -f - 'environment=qa' -o yaml | kubectl create -f -
  kubectl create deployment my-dep -o yaml --dry-run=client | kubectl label --local -f - environment=qa -o yaml | kubectl create -f -

Response: This text code kubectl set selector | Select all resources in the namespace of the specified resource types


Prompt:
Explain this bash code:

kubectl set selector (-f FILENAME | TYPE NAME) EXPRESSIONS [--resource-version=version]

Response: This bash code kubectl set selector | Select all resources in the namespace of the specified resource types


Prompt:
Explain this text code:

# Set the labels and selector before creating a deployment/service pair
  kubectl create service clusterip my-svc --clusterip="None" -o yaml --dry-run=client | kubectl set selector --local -f - 'environment=qa' -o yaml | kubectl create -f -
  kubectl create deployment my-dep -o yaml --dry-run=client | kubectl label --local -f - environment=qa -o yaml | kubectl create -f -

Response: This text code kubectl set selector | Select all resources in the namespace of the specified resource types


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:

Response:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Context: Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-leader-deployment.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the Redis Pod is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the Redis Pod is running:


Prompt:
Explain this text code:

NAME                           READY   STATUS    RESTARTS   AGE
redis-leader-fb76b4755-xjr2n   1/1     Running   0          13s

Response: This text code Example: Deploying PHP Guestbook application with Redis | Run the following command to view the logs from the Redis leader Pod:

Context: Example: Deploying PHP Guestbook application with Redis | Run the following command to view the logs from the Redis leader Pod:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader

Response:
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-leader-service.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:


Prompt:
Explain this text code:

NAME           TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)    AGE
kubernetes     ClusterIP   10.0.0.1     <none>        443/TCP    1m
redis-leader   ClusterIP   10.103.78.24 <none>        6379/TCP   16s

Response: This text code Example: Deploying PHP Guestbook application with Redis | Although the Redis leader is a single Pod, you can make it highly available and meet traffic demands by adding a few Redis followers, or replicas.

Context: Example: Deploying PHP Guestbook application with Redis | Although the Redis leader is a single Pod, you can make it highly available and meet traffic demands by adding a few Redis followers, or replicas.


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:

Response:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-follower-deployment.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Verify that the two Redis follower replicas are running by querying the list of Pods:

Context: Example: Deploying PHP Guestbook application with Redis | Verify that the two Redis follower replicas are running by querying the list of Pods:


Prompt:
Complete this text code:

NAME                             READY   STATUS    RESTARTS   AGE
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          37s

Response:
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          38s
redis-leader-fb76b4755-xjr2n     1/1     Running   0          11m

Context: Example: Deploying PHP Guestbook application with Redis | The guestbook application needs to communicate with the Redis followers to read data. To make the Redis followers discoverable, you must set up another Service.


Prompt:
Explain this text code:

NAME                             READY   STATUS    RESTARTS   AGE
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          37s
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          38s
redis-leader-fb76b4755-xjr2n     1/1     Running   0          11m

Response: This text code Example: Deploying PHP Guestbook application with Redis | The guestbook application needs to communicate with the Redis followers to read data. To make the Redis followers discoverable, you must set up another Service.


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower

Response:
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-follower-service.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:


Prompt:
Complete this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h

Response:
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   9s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   6m10s

Context: Example: Deploying PHP Guestbook application with Redis | Now that you have the Redis storage of your guestbook up and running, start the guestbook web servers. Like the Redis followers, the frontend is deployed using a Kubernetes Deployment.


Prompt:
Explain this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   9s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   6m10s

Response: This text code Example: Deploying PHP Guestbook application with Redis | Now that you have the Redis storage of your guestbook up and running, start the guestbook web servers. Like the Redis followers, the frontend is deployed using a Kubernetes Deployment.


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:

Response:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Context: Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/frontend-deployment.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the three frontend replicas are running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the three frontend replicas are running:


Prompt:
Complete this text code:

NAME                        READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5tqhb   1/1     Running   0          47s

Response:
frontend-85595f5bf9-qbzwm   1/1     Running   0          47s
frontend-85595f5bf9-zchwc   1/1     Running   0          47s

Context: Example: Deploying PHP Guestbook application with Redis | The Redis Services you applied is only accessible within the Kubernetes cluster because the default type for a Service is ClusterIP. ClusterIP provides a single IP address for the set of Pods the Serv


Prompt:
Explain this text code:

NAME                        READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5tqhb   1/1     Running   0          47s
frontend-85595f5bf9-qbzwm   1/1     Running   0          47s
frontend-85595f5bf9-zchwc   1/1     Running   0          47s

Response: This text code Example: Deploying PHP Guestbook application with Redis | The Redis Services you applied is only accessible within the Kubernetes cluster because the default type for a Service is ClusterIP. ClusterIP provides a single IP address for the set of Pods the Serv


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:

Response:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/frontend-service.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the frontend Service is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the frontend Service is running:


Prompt:
Complete this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
frontend         ClusterIP   10.97.28.230    <none>        80/TCP     19s

Response:
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   5m48s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   11m

Context: Example: Deploying PHP Guestbook application with Redis | Run the following command to forward port 8080 on your local machine to port 80 on the service.


Prompt:
Explain this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
frontend         ClusterIP   10.97.28.230    <none>        80/TCP     19s
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   5m48s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   11m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Run the following command to forward port 8080 on your local machine to port 80 on the service.


Prompt:
Explain this text code:

Forwarding from 127.0.0.1:8080 -> 80
Forwarding from [::1]:8080 -> 80

Response: This text code Example: Deploying PHP Guestbook application with Redis | load the page http://localhost:8080 in your browser to view your guestbook.

Context: Example: Deploying PHP Guestbook application with Redis | load the page http://localhost:8080 in your browser to view your guestbook.


Prompt:
Explain this text code:

NAME       TYPE           CLUSTER-IP      EXTERNAL-IP        PORT(S)        AGE
frontend   LoadBalancer   10.51.242.136   109.197.92.229     80:32372/TCP   1m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Copy the external IP address, and load the page in your browser to view your guestbook.

Context: Example: Deploying PHP Guestbook application with Redis | Copy the external IP address, and load the page in your browser to view your guestbook.


Prompt:
Complete this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5df5m        1/1     Running   0          83s
frontend-85595f5bf9-7zmg5        1/1     Running   0          83s
frontend-85595f5bf9-cpskg        1/1     Running   0          15m

Response:
frontend-85595f5bf9-l2l54        1/1     Running   0          14m
frontend-85595f5bf9-l9c8z        1/1     Running   0          14m
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          97m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          97m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          108m

Context: Example: Deploying PHP Guestbook application with Redis | Run the following command to scale down the number of frontend Pods:


Prompt:
Explain this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5df5m        1/1     Running   0          83s
frontend-85595f5bf9-7zmg5        1/1     Running   0          83s
frontend-85595f5bf9-cpskg        1/1     Running   0          15m
frontend-85595f5bf9-l2l54        1/1     Running   0          14m
frontend-85595f5bf9-l9c8z        1/1     Running   0          14m
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          97m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          97m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          108m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Run the following command to scale down the number of frontend Pods:


Prompt:
Complete this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-cpskg        1/1     Running   0          16m
frontend-85595f5bf9-l9c8z        1/1     Running   0          15m

Response:
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          98m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          98m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          109m

Context: Example: Deploying PHP Guestbook application with Redis | Deleting the Deployments and Services also deletes any running Pods. Use labels to delete multiple resources with one command.


Prompt:
Explain this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-cpskg        1/1     Running   0          16m
frontend-85595f5bf9-l9c8z        1/1     Running   0          15m
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          98m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          98m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          109m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Deleting the Deployments and Services also deletes any running Pods. Use labels to delete multiple resources with one command.


Prompt:
Complete this bash code:

kubectl delete deployment -l app=redis
kubectl delete service -l app=redis

Response:
kubectl delete deployment frontend
kubectl delete service frontend

Context: Example: Deploying PHP Guestbook application with Redis | The response should look similar to this:


Prompt:
Explain this bash code:

kubectl delete deployment -l app=redis
kubectl delete service -l app=redis
kubectl delete deployment frontend
kubectl delete service frontend

Response: This bash code Example: Deploying PHP Guestbook application with Redis | The response should look similar to this:


Prompt:
Complete this text code:

deployment.apps "redis-follower" deleted
deployment.apps "redis-leader" deleted

Response:
deployment.apps "frontend" deleted
service "frontend" deleted

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that no Pods are running:


Prompt:
Explain this text code:

deployment.apps "redis-follower" deleted
deployment.apps "redis-leader" deleted
deployment.apps "frontend" deleted
service "frontend" deleted

Response: This text code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that no Pods are running:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:

Response:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Context: Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-leader-deployment.yaml

Response: This shell code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the Redis Pod is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the Redis Pod is running:


Prompt:
Explain this text code:

NAME                           READY   STATUS    RESTARTS   AGE
redis-leader-fb76b4755-xjr2n   1/1     Running   0          13s

Response: This text code Example: Deploying PHP Guestbook application with Redis | Run the following command to view the logs from the Redis leader Pod:

Context: Example: Deploying PHP Guestbook application with Redis | Run the following command to view the logs from the Redis leader Pod:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader

Response:
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-leader-service.yaml

Response: This shell code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:


Prompt:
Explain this text code:

NAME           TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)    AGE
kubernetes     ClusterIP   10.0.0.1     <none>        443/TCP    1m
redis-leader   ClusterIP   10.103.78.24 <none>        6379/TCP   16s

Response: This text code Example: Deploying PHP Guestbook application with Redis | Although the Redis leader is a single Pod, you can make it highly available and meet traffic demands by adding a few Redis followers, or replicas.

Context: Example: Deploying PHP Guestbook application with Redis | Although the Redis leader is a single Pod, you can make it highly available and meet traffic demands by adding a few Redis followers, or replicas.


Prompt:
Explain this text code:

application/guestbook/redis-follower-deployment.yaml

Response: This text code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:

Response:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-follower-deployment.yaml

Response: This shell code Example: Deploying PHP Guestbook application with Redis | Verify that the two Redis follower replicas are running by querying the list of Pods:

Context: Example: Deploying PHP Guestbook application with Redis | Verify that the two Redis follower replicas are running by querying the list of Pods:


Prompt:
Complete this text code:

NAME                             READY   STATUS    RESTARTS   AGE
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          37s

Response:
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          38s
redis-leader-fb76b4755-xjr2n     1/1     Running   0          11m

Context: Example: Deploying PHP Guestbook application with Redis | The guestbook application needs to communicate with the Redis followers to read data. To make the Redis followers discoverable, you must set up another Service.


Prompt:
Explain this text code:

NAME                             READY   STATUS    RESTARTS   AGE
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          37s
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          38s
redis-leader-fb76b4755-xjr2n     1/1     Running   0          11m

Response: This text code Example: Deploying PHP Guestbook application with Redis | The guestbook application needs to communicate with the Redis followers to read data. To make the Redis followers discoverable, you must set up another Service.


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower

Response:
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-follower-service.yaml

Response: This shell code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:


Prompt:
Complete this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h

Response:
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   9s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   6m10s

Context: Example: Deploying PHP Guestbook application with Redis | Now that you have the Redis storage of your guestbook up and running, start the guestbook web servers. Like the Redis followers, the frontend is deployed using a Kubernetes Deployment.


Prompt:
Explain this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   9s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   6m10s

Response: This text code Example: Deploying PHP Guestbook application with Redis | Now that you have the Redis storage of your guestbook up and running, start the guestbook web servers. Like the Redis followers, the frontend is deployed using a Kubernetes Deployment.


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:

Response:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Context: Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/guestbook/frontend-deployment.yaml

Response: This shell code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the three frontend replicas are running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the three frontend replicas are running:


Prompt:
Complete this text code:

NAME                        READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5tqhb   1/1     Running   0          47s

Response:
frontend-85595f5bf9-qbzwm   1/1     Running   0          47s
frontend-85595f5bf9-zchwc   1/1     Running   0          47s

Context: Example: Deploying PHP Guestbook application with Redis | The Redis Services you applied is only accessible within the Kubernetes cluster because the default type for a Service is ClusterIP. ClusterIP provides a single IP address for the set of Pods the Serv


Prompt:
Explain this text code:

NAME                        READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5tqhb   1/1     Running   0          47s
frontend-85595f5bf9-qbzwm   1/1     Running   0          47s
frontend-85595f5bf9-zchwc   1/1     Running   0          47s

Response: This text code Example: Deploying PHP Guestbook application with Redis | The Redis Services you applied is only accessible within the Kubernetes cluster because the default type for a Service is ClusterIP. ClusterIP provides a single IP address for the set of Pods the Serv


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:

Response:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Explain this shell code:

kubectl apply -f https://k8s.io/examples/application/guestbook/frontend-service.yaml

Response: This shell code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the frontend Service is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the frontend Service is running:


Prompt:
Complete this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
frontend         ClusterIP   10.97.28.230    <none>        80/TCP     19s

Response:
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   5m48s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   11m

Context: Example: Deploying PHP Guestbook application with Redis | Run the following command to forward port 8080 on your local machine to port 80 on the service.


Prompt:
Explain this text code:

NAME             TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
frontend         ClusterIP   10.97.28.230    <none>        80/TCP     19s
kubernetes       ClusterIP   10.96.0.1       <none>        443/TCP    3d19h
redis-follower   ClusterIP   10.110.162.42   <none>        6379/TCP   5m48s
redis-leader     ClusterIP   10.103.78.24    <none>        6379/TCP   11m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Run the following command to forward port 8080 on your local machine to port 80 on the service.


Prompt:
Explain this text code:

Forwarding from 127.0.0.1:8080 -> 80
Forwarding from [::1]:8080 -> 80

Response: This text code Example: Deploying PHP Guestbook application with Redis | load the page http://localhost:8080 in your browser to view your guestbook.

Context: Example: Deploying PHP Guestbook application with Redis | load the page http://localhost:8080 in your browser to view your guestbook.


Prompt:
Explain this text code:

NAME       TYPE           CLUSTER-IP      EXTERNAL-IP        PORT(S)        AGE
frontend   LoadBalancer   10.51.242.136   109.197.92.229     80:32372/TCP   1m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Copy the external IP address, and load the page in your browser to view your guestbook.

Context: Example: Deploying PHP Guestbook application with Redis | Copy the external IP address, and load the page in your browser to view your guestbook.


Prompt:
Complete this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5df5m        1/1     Running   0          83s
frontend-85595f5bf9-7zmg5        1/1     Running   0          83s
frontend-85595f5bf9-cpskg        1/1     Running   0          15m

Response:
frontend-85595f5bf9-l2l54        1/1     Running   0          14m
frontend-85595f5bf9-l9c8z        1/1     Running   0          14m
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          97m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          97m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          108m

Context: Example: Deploying PHP Guestbook application with Redis | Run the following command to scale down the number of frontend Pods:


Prompt:
Explain this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-5df5m        1/1     Running   0          83s
frontend-85595f5bf9-7zmg5        1/1     Running   0          83s
frontend-85595f5bf9-cpskg        1/1     Running   0          15m
frontend-85595f5bf9-l2l54        1/1     Running   0          14m
frontend-85595f5bf9-l9c8z        1/1     Running   0          14m
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          97m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          97m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          108m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Run the following command to scale down the number of frontend Pods:


Prompt:
Complete this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-cpskg        1/1     Running   0          16m
frontend-85595f5bf9-l9c8z        1/1     Running   0          15m

Response:
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          98m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          98m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          109m

Context: Example: Deploying PHP Guestbook application with Redis | Deleting the Deployments and Services also deletes any running Pods. Use labels to delete multiple resources with one command.


Prompt:
Explain this text code:

NAME                             READY   STATUS    RESTARTS   AGE
frontend-85595f5bf9-cpskg        1/1     Running   0          16m
frontend-85595f5bf9-l9c8z        1/1     Running   0          15m
redis-follower-dddfbdcc9-82sfr   1/1     Running   0          98m
redis-follower-dddfbdcc9-qrt5k   1/1     Running   0          98m
redis-leader-fb76b4755-xjr2n     1/1     Running   0          109m

Response: This text code Example: Deploying PHP Guestbook application with Redis | Deleting the Deployments and Services also deletes any running Pods. Use labels to delete multiple resources with one command.


Prompt:
Complete this shell code:

kubectl delete deployment -l app=redis
kubectl delete service -l app=redis

Response:
kubectl delete deployment frontend
kubectl delete service frontend

Context: Example: Deploying PHP Guestbook application with Redis | The response should look similar to this:


Prompt:
Explain this shell code:

kubectl delete deployment -l app=redis
kubectl delete service -l app=redis
kubectl delete deployment frontend
kubectl delete service frontend

Response: This shell code Example: Deploying PHP Guestbook application with Redis | The response should look similar to this:


Prompt:
Complete this text code:

deployment.apps "redis-follower" deleted
deployment.apps "redis-leader" deleted

Response:
deployment.apps "frontend" deleted
service "frontend" deleted

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that no Pods are running:


Prompt:
Explain this text code:

deployment.apps "redis-follower" deleted
deployment.apps "redis-leader" deleted
deployment.apps "frontend" deleted
service "frontend" deleted

Response: This text code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that no Pods are running:


Prompt:
Complete this yaml code:

application/guestbook/redis-leader-deployment.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis

Response:
  template:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Context: Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Explain this yaml code:

application/guestbook/redis-leader-deployment.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:

Response:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: leader
        tier: backend
    spec:
      containers:
      - name: leader
        image: "docker.io/redis:6.0.5"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Launch a terminal window in the directory you downloaded the manifest files.


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-leader-deployment.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the Redis Pod is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the Redis Pod is running:


Prompt:
Complete this yaml code:

application/guestbook/redis-leader-service.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader

Response:
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Explain this yaml code:

application/guestbook/redis-leader-service.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader

Response:
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-leader
  labels:
    app: redis
    role: leader
    tier: backend
spec:
  ports:
  - port: 6379
    targetPort: 6379
  selector:
    app: redis
    role: leader
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-leader-service.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-leader-service.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:


Prompt:
Complete this yaml code:

application/guestbook/redis-follower-deployment.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis

Response:
  template:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Explain this yaml code:

application/guestbook/redis-follower-deployment.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:

Response:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
        role: follower
        tier: backend
    spec:
      containers:
      - name: follower
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-redis-follower:v2
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6379

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Deployment from the following redis-follower-deployment.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-follower-deployment.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Verify that the two Redis follower replicas are running by querying the list of Pods:

Context: Example: Deploying PHP Guestbook application with Redis | Verify that the two Redis follower replicas are running by querying the list of Pods:


Prompt:
Complete this yaml code:

application/guestbook/redis-follower-service.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower

Response:
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Explain this yaml code:

application/guestbook/redis-follower-service.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower

Response:
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: redis-follower
  labels:
    app: redis
    role: follower
    tier: backend
spec:
  ports:
    # the port that this service should serve on
  - port: 6379
  selector:
    app: redis
    role: follower
    tier: backend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the Redis Service from the following redis-follower-service.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/redis-follower-service.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the Redis Service is running:


Prompt:
Complete this yaml code:

application/guestbook/frontend-deployment.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:

Response:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Context: Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Explain this yaml code:

application/guestbook/frontend-deployment.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:

Response:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: us-docker.pkg.dev/google-samples/containers/gke/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Deployment from the frontend-deployment.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/frontend-deployment.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the three frontend replicas are running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Pods to verify that the three frontend replicas are running:


Prompt:
Complete this yaml code:

application/guestbook/frontend-service.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:

Response:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Context: Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Explain this yaml code:

application/guestbook/frontend-service.yaml
# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Complete this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:

Response:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend


Prompt:
Explain this yaml code:

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: v1
kind: Service
metadata:
  name: frontend
  labels:
    app: guestbook
    tier: frontend
spec:
  # if your cluster supports it, uncomment the following to automatically create
  # an external load-balanced IP for the frontend service.
  # type: LoadBalancer
  #type: LoadBalancer
  ports:
    # the port that this service should serve on
  - port: 80
  selector:
    app: guestbook
    tier: frontend

Response: This yaml code Example: Deploying PHP Guestbook application with Redis | Apply the frontend Service from the frontend-service.yaml file:


Prompt:
Explain this bash code:

kubectl apply -f https://k8s.io/examples/application/guestbook/frontend-service.yaml

Response: This bash code Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the frontend Service is running:

Context: Example: Deploying PHP Guestbook application with Redis | Query the list of Services to verify that the frontend Service is running:


Prompt:
Complete this bash code:

kubectl delete deployment -l app=redis
kubectl delete service -l app=redis

Response:
kubectl delete deployment frontend
kubectl delete service frontend


Prompt:
Explain this bash code:

kubectl delete deployment -l app=redis
kubectl delete service -l app=redis
kubectl delete deployment frontend
kubectl delete service frontend

Response: This bash code Example: Deploying PHP Guestbook application with Redis | The response should look similar to this:


Prompt:
Explain this text code:

checkpoint-<podFullName>-<containerName>-<timestamp>.tar

Response: This text code Kubelet Checkpoint API | The checkpoint archive is in tar format, and could be listed using an implementation of tar. The contents of the archive depend on the underlying CRI implementation (the container runtime on that node

Context: Kubelet Checkpoint API | The checkpoint archive is in tar format, and could be listed using an implementation of tar. The contents of the archive depend on the underlying CRI implementation (the container runtime on that node


Prompt:
Complete this text code:

# List all available plugins
  kubectl plugin list

Response:
  # List only binary names of available plugins without paths
  kubectl plugin list --name-only

Context: kubectl plugin list | help for list


Prompt:
Explain this text code:

# List all available plugins
  kubectl plugin list

  # List only binary names of available plugins without paths
  kubectl plugin list --name-only

Response: This text code kubectl plugin list | help for list

Context: kubectl plugin list | help for list


Prompt:
Complete this text code:

# List all available plugins
  kubectl plugin list

Response:
  # List only binary names of available plugins without paths
  kubectl plugin list --name-only

Context: kubectl plugin list | help for list


Prompt:
Explain this text code:

# List all available plugins
  kubectl plugin list

  # List only binary names of available plugins without paths
  kubectl plugin list --name-only

Response: This text code kubectl plugin list | help for list

Context: kubectl plugin list | help for list


Prompt:
Complete this text code:

--kube-reserved=cpu=4,memory=4Gi
--system-reserved=cpu=1,memory=1Gi

Response:
--memory-manager-policy=Static
--reserved-memory '0:memory=3Gi;1:memory=2148Mi'

Context: Utilizing the NUMA-aware Memory Manager | Prior to Kubernetes 1.32, you also need to add


Prompt:
Explain this text code:

--kube-reserved=cpu=4,memory=4Gi
--system-reserved=cpu=1,memory=1Gi
--memory-manager-policy=Static
--reserved-memory '0:memory=3Gi;1:memory=2148Mi'

Response: This text code Utilizing the NUMA-aware Memory Manager | Prior to Kubernetes 1.32, you also need to add


Prompt:
Complete this text code:

spec:
  containers:
  - name: nginx
    image: nginx
    resources:
      limits:

Response:
        memory: "200Mi"
        cpu: "2"
        example.com/device: "1"
      requests:
        memory: "200Mi"
        cpu: "2"
        example.com/device: "1"

Context: Utilizing the NUMA-aware Memory Manager | Also, a pod sharing CPU(s) runs in the Guaranteed QoS class, when requests are equal to limits.


Prompt:
Explain this text code:

spec:
  containers:
  - name: nginx
    image: nginx
    resources:
      limits:
        memory: "200Mi"
        cpu: "2"
        example.com/device: "1"
      requests:
        memory: "200Mi"
        cpu: "2"
        example.com/device: "1"

Response: This text code Utilizing the NUMA-aware Memory Manager | Also, a pod sharing CPU(s) runs in the Guaranteed QoS class, when requests are equal to limits.


Prompt:
Complete this text code:

spec:
  containers:
  - name: nginx
    image: nginx
    resources:
      limits:

Response:
        memory: "200Mi"
        cpu: "300m"
        example.com/device: "1"
      requests:
        memory: "200Mi"
        cpu: "300m"
        example.com/device: "1"

Context: Utilizing the NUMA-aware Memory Manager | Notice that both CPU and memory requests must be specified for a Pod to lend it to Guaranteed QoS class.