docker如何安装centos镜像

[root@localhost ~]# docker pull centos:7

[root@localhost ~]# docker run -d -i -t  /bin/bash

[root@localhost ~]# docker exec -it  bash

[root@8f10fbd6bd5a /]# yum install -y net-tools

[root@localhost ~]# pkill docker [root@localhost ~]# iptables -t nat -F [root@localhost ~]# ifconfig docker0 down [root@localhost ~]# brctl delbr docker0 [root@localhost ~]# systemctl restart docker [root@localhost ~]# docker start