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kubectl

Command line interface for running commands against Kubernetes clusters.

List all pods in all namespaces:

kubectl get pods --all-namespaces

List all pods with more information (such as node name):

kubectl get pods -o wide

Update specified pod with the label 'unhealthy' and the value 'true':

kubectl label pods {{name}} unhealthy=true

List all resources with different types:

kubectl get all

Show metrics for all nodes:

kubectl top node

Show metrics for all pods in the default namespace:

kubectl top pod

Print the address of the master and cluster services:

kubectl cluster-info

Display an explanation of the specific field:

kubectl explain pods.spec.containers