创建新namespace—test1
[root@k8s-master ~]# kubectl create namespace test1
namespace/test1 created
[root@k8s-master ~]# kubectl get ns
NAME STATUS AGE
default Active 13d
kube-node-lease Active 13d
kube-public Active 13d
kube-system Active 13d
kubernetes-dashboard Active 13d
test1 Active 5s
在test1里创建一个命名为web的nginx容器
[root@k8s-master ~]# kubectl create deployment web --imag