查看node的节点情况

1

 kubectl get node

查看pod的运行情况

1

kubectl get pod

查看deployment情况

1

 kubectl get deployment

查看pod的运行详细信息

1

 kubectl get pod -o wide

删除deployment

1

kubectl delete deployment nginx

删除一个pod应用

1

 kubectl delete pod nginx-deployment-5d9dfb999c-t6xdq

查看kubectl创建提示

1

kubectl run --help

kubectl创建nginx应用

1

kubectl run nginx-deployment --image=wangyanglinux/myapp:v1  --port=80 --replicas=1

 1
 2
 3
 4
 5
 6
 7
 8
 9
10


[root@master ~]# kubectl get pod
NAME                                READY   STATUS    RESTARTS   AGE
nginx-deployment-5d9dfb999c-t6xdq   1/1     Running   0          5m43s
[root@master ~]# kubectl get pod -o wide
NAME                                READY   STATUS    RESTARTS   AGE     IP           NODE    NOMINATED NODE   READINESS GATES
nginx-deployment-5d9dfb999c-t6xdq   1/1     Running   0          5m51s   10.244.2.7   node1   <none>           <none>
[root@master ~]# curl 10.244.2.7
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>
[root@master ~]# curl 10.244.2.7/hostname.html
nginx-deployment-5d9dfb999c-t6xdq

副本集扩容

1

kubectl scale --replicas=3 deployment/nginx-deployment

应用pod的端口修改【把80端口改成了 30003】

1

kubectl expose deployment nginx-deployment --port=30003 --target-port=80

修改nginx-deployment的ip类型【可以暴露端口，实现内部网访问】

1

 kubectl edit svc nginx-deployment