1. 获取所有的namespace

 kubectl get namespaces
kubectl get pods --all-namespaces
 kubectl get pods -A
kubectl get pods --namespace=shop

2. 部署nginx到shop中

kubectl run nginx --image=nginx --namespace=shop

3. 通过label查询pods

kubectl get pods --namespace=shop -l "app=user-service"

https://kubernetes.io/zh-cn/docs/concepts/overview/working-with-objects/labels/

4. 查看pod的日志

kubectl logs --namespace=shop -l "app=user-service"

5. 查看pods更多的详细信息

kubectl get pods --namespace=shop -l "app=user-service" -o wide

6. 更多的pods相关的命令

https://kubernetes.io/docs/reference/kubectl/generated/kubectl_get/

https://kubernetes.io/zh-cn/docs/reference/kubectl/cheatsheet/