Create the service as type NodePort with the port 32767 for the nginx pod with the pod selector app: my-nginx

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create a pod in a specific node (node1) by placing the pod definition file in a particular folder "/etc/kubernetes/manifests".

• A.Generate YAML before we SSH to the specific node, then copy the YAML into the exam notepad to use it after SSH into worker node.
  SSH to the node: "ssh node1"
  Gain admin privileges to the node: "sudo -i"
  Move to the manifest-path "cd /etc/kubernetes/manifests"
  kubelet config file -- /var/lib/kubelet/config.yaml
  Edit the config file "vi /var/lib/kubelet/config.yaml" to add
  staticPodPath
  staticPodPath: /etc/kubernetes/manifests
  Restart the kubelet "systemctl restart kubelet"
• B.Generate YAML before we SSH to the specific node, then copy the YAML into the exam notepad to use it after SSH into worker node.
  SSH to the node: "ssh node1"
  Gain admin privileges to the node: "sudo -i"
  Move to the manifest-path "cd /etc/kubernetes/manifests"
  Place the generated YAML into the folder "vi nginx.yaml"
  Find the kubelet config file path "ps -aux | grep kubelet" . This
  will output information on kubelet process. Locate the kubelet config
  file location.
  kubelet config file -- /var/lib/kubelet/config.yaml
  Edit the config file "vi /var/lib/kubelet/config.yaml" to add
  staticPodPath
  staticPodPath: /etc/kubernetes/manifests
  Restart the kubelet "systemctl restart kubelet"

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Create the deployment redis with image=redis and expose it with "NodePort" service redis-service

• A.kubectl create deploy redis --image=redis --dry-run -o yaml >
  redis-deploy.yaml
  Edit redis-deploy.yaml file
  vim redis-deploy.yaml
  apiVersion: apps/v1
  kind: Deployment
  metadata:
  labels:
  app: redis
  name: redis
  spec:
  replicas: 1
  selector:
  matchLabels:
  app: redis
  template:
  metadata:
  labels:
  app: redis
  spec:
  containers:
  - image: redis
  name: redis
  //Creating Service
  kubectl expose deploy redis --type=NodePort --port=6379 --
  target-port=6379 --name redis-service
  // Verify
  kubectl get deploy,svc
• B.kubectl create deploy redis --image=redis --dry-run -o yaml >
  redis-deploy.yaml
  Edit redis-deploy.yaml file
  name: redis
  spec:
  replicas: 1
  selector:
  matchLabels:
  app: redis
  template:
  metadata:
  labels:
  app: redis
  spec:
  containers:
  - image: redis
  name: redis
  //Creating Service
  kubectl expose deploy redis --type=NodePort --port=6379 --
  target-port=6379 --name redis-service
  // Verify
  kubectl get deploy,svc

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Get list of all the nodes with labels

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Create a deployment as follows:
Name: nginx-app
Using container nginx with version 1.11.10-alpine
The deployment should contain
Next, deploy the application with new version , by performing a rolling update.
Finally, rollback that update to the previous version

Correct Answer:

See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\7 B.JPG

F:\Work\Data Entry Work\Data Entry\20200827\CKA\7 C.JPG

F:\Work\Data Entry Work\Data Entry\20200827\CKA\7 D.JPG

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