tldr/pages/common/kubectl.md

kubectl

Run 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|--output]}} 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 /}}