Linux 系统下Docker安装

[hq@localhost root]$ sudo yum update

[hq@localhost root]$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2

[hq@localhost root]$ sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

[hq@localhost root]$ yum list docker-ce --showduplicates

[hq@localhost root]$ sudo yum install docker-ce-18.03.1.ce

[hq@localhost root]$ systemctl enable docker

[hq@localhost root]$  systemctl start docker

#创建一个文件夹

[hq@localhost root]$ sudo mkdir -p /etc/docker

#创建一个daemon.json文件 

[hq@localhost root]$ vi /etc/docker/daemon.json
{
    "graph": "/mnt/docker-data",
    "storage-driver": "overlay"
}

#重新加载

[hq@localhost root]$  sudo systemctl daemon-reload

#重新启动
[hq@localhost root]$  sudo systemctl restart docker

#查看版本

[hq@localhost root]$  docker version