[root@k8s-master01 ~]# kubectl get pod #查看pod
[root@k8s-master01 ~]# kubectl get pod -o wide #查看pod详细信息
[root@k8s-master01 ~]# kubectl get node #查看node信息
[root@k8s-master01 ~]# kubectl get deployment #查看deployment信息
[root@k8s-master01 ~]# kubectl get service #查看service信息,包括pod的调度访问地址
[root@k8s-master01 ~]# kubectl delete pod nginx-deployment-85756b779-dwtb8
#删除指定pod
[root@k8s-master01 ~]# kubectl delete deployment nginx-deployment
#删除指定deployment
[root@k8s-master01 ~]# kubectl run nginx-deployment --image=hub.atguigu.com/library/myapp:v1 --port=80 --replicas=4
#以指定的名称"nginx-deployment"运行指定的镜像"hub.atguigu.com/library/myapp:v1"同时固定开启的pod的数量为"4"
[root@k8s-master01 ~]# kubectl expose deployment nginx-deployment --port=30000 --target-port=80
#为指定的deployment"nginx-ceshi"设置一个调度访问地址也是当访问这个地址时会以轮询方式调度到该deployment的pod上
[root@k8s-master01 ~]# kubectl edit service nginx-ceshi
#通过修改文件中的ClusterIP成NodePort来将指定的deployment的调度地址和端口通过ipvsadm来暴露到宿主机上,使外网也可以访问到nginx-ceshi中的pod
[root@k8s-master01 ~]# kubectl scale --replicas=3 deployment/nginx-deployment
#调整指定deployment"nginx-deployment"的pod数量为"3"
kubeadm alpha certs renew all # 更新k8s证书
cp -i /etc/kubernetes/admin.conf $HOME/.kube/config # 替换
