1.安装环境
[root@iZ28v8y79sfZ ~]# uname -a Linux iZ28v8y79sfZ 3.10.0-123.9.3.el7.x86_64 #1 SMP Thu Nov 6 15:06:03 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux [root@iZ28v8y79sfZ ~]# cat /etc/redhat-release CentOS Linux release 7.0.1406 (Core)
2.查看是否已安装docker
[root@iZ28v8y79sfZ ~]# rpm -qa | grep docker
3.安装docker
[root@iZ28v8y79sfZ ~]# yum install docker
出现如下错误
Transaction check error: file /usr/lib/systemd/system/blk-availability.service from install of device-mapper-7:1.02.107-5.el7.x86_64 conflicts with file from package lvm2-7:2.02.105-14.el7.x86_64 file /usr/sbin/blkdeactivate from install of device-mapper-7:1.02.107-5.el7.x86_64 conflicts with file from package lvm2-7:2.02.105-14.el7.x86_64 file /usr/share/man/man8/blkdeactivate.8.gz from install of device-mapper-7:1.02.107-5.el7.x86_64 conflicts with file from package lvm2-7:2.02.105-14.el7.x86_64 Error Summary
执行如下操作
[root@iZ28v8y79sfZ ~]# yum install lvm2 [root@iZ28v8y79sfZ ~]# yum install docker [root@iZ28v8y79sfZ ~]# systemctl start docker [root@iZ28v8y79sfZ ~]# ps -ef | grep docker root 849 1 0 17:30 ? 00:00:00 /usr/bin/docker daemon --selinux-enabled root 1057 1038 0 17:32 pts/0 00:00:00 grep --color=auto docker
4.
原文：http://core5.blog.51cto.com/11118314/1735438