docker安装启动

因为平常使用的都是centos7系统，所以只记录centos7系统下docker的安装启动，其它系统之后再更新吧。

安装

直接使用yum安装即可。

$ sudo yum install docker -y

之后设置开机自启动并启动服务

[vitue@realtiger ~]$ systemctl enable docker
==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-unit-files ===
Authentication is required to manage system service or unit files.
Authenticating as: vitue
Password: 
==== AUTHENTICATION COMPLETE ===
==== AUTHENTICATING FOR org.freedesktop.systemd1.reload-daemon ===
Authentication is required to reload the systemd state.
Authenticating as: vitue
Password: 
==== AUTHENTICATION COMPLETE ===
[vitue@realtiger ~]$ systemctl restart docker                                                                      
==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
Authentication is required to manage system services or units.
Authenticating as: vitue
Password: 
==== AUTHENTICATION COMPLETE ===
[vitue@realtiger ~]$