[root@k8smaster k8syaml]# kubectl get pod
NAME      READY   STATUS    RESTARTS   AGE
mynginx   1/1     Running   0          34s
[root@k8smaster k8syaml]# kubectl label pod mynginx name=tangzhi # 将mynginx进行打标签
pod/mynginx labeled
[root@k8smaster k8syaml]# kubectl get pod --show-labels # 查看pod的标签
NAME      READY   STATUS    RESTARTS   AGE   LABELS
mynginx   1/1     Running   0          91s   name=tangzhi,run=mynginx
[root@k8smaster k8syaml]# kubectl label pod mynginx name-  # 将标签name进行删除
pod/mynginx labeled
[root@k8smaster k8syaml]# kubectl get pod --show-labels
NAME      READY   STATUS    RESTARTS   AGE    LABELS
mynginx   1/1     Running   0          119s   run=mynginx

# 自己给pod的yaml文件的方式打标签
# pod带上名称空间和label的
kind: Pod
apiVersion: v1
metadata:
  name: my-nginx-labels
  namespace: hello # 在hello命名空间下创建pod
  labels:
     aa: bb
     bb: dd
spec:  # 指定规格信息
  containers:  # 指定要启动一个什么样的容器
  - image: nginx   #指定镜像
    name: my-nginx  #容器的名字