Installation and uninstallation of docker-ce under centos7

1  install
 2  
3 1 install third-party libraries
 4  
5 yum install -y epel- release 
 6  
7 2 install dependencies
 8  
9 yum install -y yum-utils device-mapper-persistent- data lvm2
 10  
11 3 add Docker package sources
 12  
13  Official source
 14  
15 yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo 16
 17  
Ali  source (recommended for domestic users)
 18  
19 yum-config- manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
 20 
21 4 Update yum package index
 22  
23  yum makecache fast
 24  
25 Install docker- ce
 26  
27 yum install -y docker- ce
 28  
29  Start
 30  
31  systemctl start docker
 32  
33  View version information
 34  
35  docker info
 36  
37  Uninstall
 38  
39 yum remove docker- ce
 40  
41 rm -rf /var/lib/docker