centos 安装docker

服务器的系统是CentOS7.4的
[root@VM_82_178_centos ~]# cat /etc/RedHat-release 
CentOS Linux release 7.4.1708 (Core)

#安装依赖包
yum install -y yum-utils device-mapper-persistent-data lvm2
#添加Docker软件包源
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
#安装Docker CE
yum install docker-ce -y
#启动
systemctl start docker
#开机启动
systemctl enable docker
#查看Docker信息
docker inf