kubectl

Command-line interface for running commands against Kubernetes clusters. Some subcommands such as run have their own usage documentation. More information: https://kubernetes.io/docs/reference/kubectl/.

• List information about a resource with more details:

kubectl get pod|service|deployment|ingress|... -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

• Display resource (CPU/Memory/Storage) usage of nodes or pods:

kubectl top pod|node

• Print the address of the master and cluster services:

kubectl cluster-info

• Display an explanation of a specific field:

kubectl explain pods.spec.containers

• Print the logs for a container in a pod or specified resource:

kubectl logs pod_name

• Run command in an existing pod:

kubectl exec pod_name -- ls /