Important Kubectl Commands

Kubernetes is a defacto tool for any enterprise application to manage containerized applications in production. I would like to share some important commands which I use daily work.


Context & Configurations

• To view configuration of the k8s

                kubectl config view  

• To display list of contexts

              kubectl config get-contexts

• To display current context

            kubectl config current-context

• To set the default context to specific <my-cluster-name>

            kubectl config use-context my-cluster-name

Viewing & Finding Services

• To display all the pods

            kubectl get pods

• To get Pod's yaml file

            kubectl get pod my-pod -o yaml

• To display pod's yaml without cluster specific information

            kubectl get pod my-pod -o yaml --export

• Show labels for all pods (or any other K8s object that supports lebelling)

            kubectl get pods --show-labels

To Interact with Running Pods

• To display logs of a pod

           kubectl logs my-pod

• To display logs of pods with a specific label name

            kubectl logs -l name=my-label

• To display logs of a container

           kubectl logs my-pod -c my-container

• To stream pod logs

          kubectl logs -f my-pod

• To stream pod container logs

          kubectl logs -f my-pod -c my-container

• To stream pod previous container logs 

          kubectl logs -f my-pod -c my-container --previous

• To know complete details every pod

           kubectl describe pods