docker&k8s-配置/常用命令

  kubectl delete deployment,ingress,svc demo-mml-jp-ylmopt-web-1 -n demo-mml 　　#删除预生产环境mml组ylmopt-web工程的pod,elb,svc服务

 

[root@gitlab-server ~]# kubectl cluster-info　　--查看集群信息
Kubernetes master is running at https://192.168.27.22:5443
CoreDNS is running at https://192.168.27.22:5443/api/v1/namespaces/kube-system/services/coredns:dns/proxy

[root@gitlab-server ~]# kubectl get nodes --all-namespaces　　 --查看节点
NAME STATUS ROLES AGE VERSION
192.168.109.243 Ready <none> 73d v1.13.7-r0-CCE2.0.24.B001
192.168.119.75 Ready slave 99d v1.13.7-r0-CCE2.0.24.B001
192.168.13.34 Ready <none> 73d v1.13.7-r0-CCE2.0.24.B001
192.168.39.197 Ready <none> 73d v1.13.7-r0-CCE2.0.24.B001
192.168.41.41 Ready <none> 73d v1.13.7-r0-CCE2.0.24.B001
192.168.44.182 Ready <none> 99d v1.13.7-r0-CCE2.0.24.B00

[root@gitlab-server ~]# kubectl get pod --all-namespaces
NAMESPACE NAME  　　　　　　　　　　　　　　READY 　STATUS 　　 RESTARTS    AGE

demo-mml      demo-mml-jp-minipay-core-1-77fbbbff4f-bzwmn                1/1     Running   　　　　0          73d

kubectl describe pod demo-mml-jp-minipay-core-1-77fbbbff4f-bzwmn -n demo-mml #例子，查pod是否正常

kubectl get pod,svc,ingress -n demo-mml -o wide　　--查看服务和调度和容器

[root@gitlab-server ~]# yum list installed|grep docker　　--查看安装的带docker的工具
containerd.io.x86_64 1.2.6-3.3.el7 @docker-ce-stable
docker-ce.x86_64 3:18.09.7-3.el7 @docker-ce-stable
docker-ce-cli.x86_64 1:18.09.7-3.el7 @docker-ce-stable

[root@gitlab-server ~]# kubectl version　　--kubelet版本
Client Version: version.Info{Major:"1", Minor:"13", GitVersion:"v1.13.5", GitCommit:"2166946f41b36dea2c4626f90a77706f426cdea2", GitTreeState:"clean", BuildDate:"2019-03-25T15:26:52Z", GoVersion:"go1.11.5", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"13+", GitVersion:"v1.13.7-r0-CCE2.0.24.B001", GitCommit:"6d6b92b05374cffe1efef44479ffa1ea72fc7aed", GitTreeState:"clean", BuildDate:"2019-07-18T08:24:49Z", GoVersion:"go1.11.5", Compiler:"gc", Platform:"linux/amd64"}