1kubectl scale --replicas=3 deploy my-test-deploy

1kubectl scale --replicas=1 deploy my-test-deploy

1kubectl get deployment
2kubectl get pods
3kubectl get nodes
4# exists in the namespace
5kubectl api-resources --namespaced=true
6# not exists in the namespace
7kubectl api-resources --namespaced=false

1kubectl describe pod my-test-pod
2kubectl describe deployment my-test-pod

1kubectl exec -ti my-test-pod /bin/bash