Redhat7在线安装docker

转载：https://www.cnblogs.com/syqlp/p/6555699.html

1.看版本 

cat /proc/version   

2. 升级

   yum -y update

3.安装  cgroup

  yum install libcgroup

4.安装docker

  yum install docker.x86_64 

5.启动docker

systemctl start docker

6.设置开机启动docker

systemctl enable docker

7.查看docker

docker info