kubectl run --image=xxx name_xx --port
　　kubectl run --image=nginx nginx-app --port=80

kubectl expose
　　kubectl expose deployment nginx-app --type="NodePort" --port=80
　　　　in default,pods only deploy on node,not on master, please use the node ip to access.

kubectl get
　　kubectl get deployment
　　kubectl get pods
　　kubectl get service

kubectl attach
　　kubectl attach -it nginx-app-5jyvm

kubectl exec
　　kubectl exec -it nginx-app-5jyvm -- /bin/bash

kubectl logs
　　kubectl logs -f nginx-app-zibvs

kubectl delete
　　kubectl delete deployment xxx
　　kubectl delete pods xxx
　　kubectl delete service xxx