1、检查内核版本，必须是3.10及以上 uname ‐r
2、安装docker yum install docker
3、输入y确认安装
4、启动docker
[root@localhost ~]# systemctl start docker
[root@localhost ~]# docker ‐v Docker version 1.12.6, build 3e8e77d/1.12.6
5、开机启动docker
[root@localhost ~]# systemctl enable docker
Created symlink from /etc/systemd/system/multi‐user.target.wants/docker.service to
/usr/lib/systemd/system/docker.service.
6、停止docker
systemctl stop docker
docker 镜像查看地址：https://hub.docker.com
