Score: 13%

Task
A Kubernetes worker node, named wk8s-node-0 is in state NotReady. Investigate why this is the case, and perform any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.

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Get the list of pods of webapp deployment

• A.// Get the label of the deployment
  kubectl get deploy --show-labels
  kubectl get pods -l app=webapp
• B.// Get the label of the deployment
  kubectl get deploy --show-labels
  // Get the pods with that label
  kubectl get pods -l app=webapp

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A Kubernetes worker node, named .Investigate why this is the case,
andperform any appropriate steps tobring the node to a state,ensuring that any changes are madepermanent.
You cansshto the failednode using:
[student@node-1] $ | sshWk8s-node-0
You can assume elevatedprivileges on the node with thefollowing command:
[student@w8ks-node-0] $ |sudo -i

Correct Answer:

See the solution below.
Explanation
solution

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Install a kubernetes cluster with one master and one worker using kubeadm

• A.This is a straightforward question, you need to install kubernetes cluster using kubeadm with one master and one worker.
  Refer : https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/
• B.This is a straightforward question, you need to install kubernetes cluster using kubeadm with one master and one worker.
  Installation is considered success once both master and worker
  nodes become available.
  Refer : https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/

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List all the pods showing name and namespace with a json path expression

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