Kubernetes Cheat Sheet

General

Command	Description
`kubectl config current-context`	Check to which Kubernetes cluster we are connected.
`kubectl get nodes`	List all nodes on the Kubernetes cluster.
`kubectl run -it --rm --restart=Never <POD-NAME> --image=<IMAGE-NAME> <COMMAND>`	Installs the given image as a pod in the Kubernetes cluster, connect to it interactively and executes the supplied command.
`kubectl exec <POD-NAME> -c <CONTAINER-NAME> -- <COMMAND>`	Execute the given command on the specified container running in the specified pod.

Command	Description
`kubectl create -f <file_location>`	Creates a new object based on the given file (which should be a Kubernetes manifest file, either YAML or JSON).
`kubectl apply -f <file_location>`	Updates the desired state of the object on the Kubernetes cluster.
`kubectl get [nodes	pods
`kubectl describe [nodes	pods
`kubectl delete [nodes	pods
`kubectl expose rc <rc_name> —name=<service_name> --target-port=8080 --type=NodePort`	Creates a new services with the supplied name that targets pods on port 8080 and listens on a dynamically created port.

Command	Description
`kubectl rollout status deployment <deployment_name>`	Get the status of the deployment matching the supplied name.
`kubectl rollout history deployment <deployment_name>`	List all revisions of the deployment matching the supplied name.
`kubectl rollout undo deployment <deployment_name> —to-revision=<revision_number>`	Rollback to a specific revision.