(C) mounting system Docker-CentOS7

 

1. Use the root account to view the kernel version

[root@MiWiFi-R3-srv ~]# uname -a

 

 

2. yum update to the latest package

[root@MiWiFi-R3-srv ~]# yum update

 

 

 

3. Install package needs, yum-util provide yum-config-manager function, the other two are driven dependent devicemapper

 

 

4, provided yum source (select one)

yum-config-Manager---add the repo http://download.docker.com/linux/centos/docker-ce.repo (Central Repository)

yum-config-Manager - add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo (Ali warehouse)

 

 

 5. Review all versions available for installation

[root@MiWiFi-R3-srv ~]# yum list docker-ce --showduplicates | sort -r

 

 

6. Install Docker, the command: yum install docker-ce- version, I installed the version 18.03.1.ce

 

 

7. Start Docker, and adding boot, as follows

[root@MiWiFi-R3-srv ~]# systemctl start docker
[root@MiWiFi-R3-srv ~]# systemctl enable  docker

 

 

8. Check the version number Docker

[root@MiWiFi-R3-srv ~]# docker version

 

 

 

Reference document: https: //blog.csdn.net/u014069688/article/details/100532774