Working with Kubernetes Using kubectl

Use kubectl to Check the Status of Worker Nodes in the Cluster

• Use kubectl to list all nodes in the cluster

• Verify the nodes are in the READY state

Get a List of Pods Running in the Cluster

• Use kubectl to list Pods in all namespaces

• Verify whether or not these Pods are all up and running

kubectl get pods --all-namespaces

Delete an Existing Pod

• Delete the Pod named web-frontend

kubectl delete pod web-frontend
kubectl get pods --all-namespaces

Create a New Pod

• Create a new Pod called web-frontend

• Make it run a container with the nginx image

vi web-frontend.yml

web-frontend.yml

apiVersion: v1
kind: Pod
metadata:
    name: web-frontend
spec:
    containers:
    - name: nginx
      image: nginx    

kubectl create -f web-frontend.yml
kubectl get pods --all-namespaces