Create a deployment as follows:
* Name:nginx-app
* Using containernginxwithversion 1.11.10-alpine
* The deployment should contain3replicas
Next, deploy the application with newversion1.11.13-alpine, byperforming a rolling update.
Finally, rollback that update to theprevious version1.11.10-alpine.

Correct Answer:

See the solution below.
Explanation
solution

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Create an nginx pod with container Port 80 and it should only receive traffic only it checks the endpoint / on port 80 and verify and delete the pod.

• A.kubectl run nginx --image=nginx --restart=Never --port=80 --
  dry-run -o yaml > nginx-pod.yaml
  // add the readinessProbe section and create
  vim nginx-pod.yaml
  apiVersion: v1
  kind: Pod
  metadata:
  labels:
  run: nginx
  name: nginx
  spec:
  containers:
  - image: nginx
  name: nginx
  ports:
  - containerPort: 80
  readinessProbe:
  httpGet:
  path: /
  port: 80
  restartPolicy: Never
  kubectl apply -f nginx-pod.yaml
  // verify
  kubectl describe pod nginx | grep -i readiness
  kubectl delete po nginx
• B.kubectl run nginx --image=nginx --restart=Never --port=80 --
  dry-run -o yaml > nginx-pod.yaml
  // add the readinessProbe section and create
  vim nginx-pod.yaml
  run: nginx
  name: nginx
  spec:
  containers:
  - image: nginx
  name: nginx
  ports:
  - containerPort: 60
  readinessProbe:
  httpGet:
  path: /
  port: 60
  restartPolicy: Never
  kubectl apply -f nginx-pod.yaml
  // verify
  kubectl describe pod nginx | grep -i readiness
  kubectl delete po nginx

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Set the node named ek8s-node-1 as unavailable and reschedule all the pods running on it.

Correct Answer:

See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\19 B.JPG

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Create a file:
/opt/KUCC00302/kucc00302.txt that lists all pods that implement service in namespace development.
The format of the file should be one pod name per line.

Correct Answer:

See the solution below.
Explanation
solution

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List the nginx pod with custom columns POD_NAME and POD_STATUS

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