转载：http://www.roddypy.com/index.php/2016/03/11/centos7-yum-%E5%AE%89%E8%A3%85docker%E6%8A%A5%E9%94%99/
CENTOS7 YUM 安装DOCKER报错
报错信息：
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Transaction check error: file /usr/lib/systemd/system/blk-availability.service from install of device-mapper-7:1.02.107-5.el7_2.1.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_2.1.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_2.1.x86_64 conflicts with file from package lvm2-7:2.02.105-14.el7.x86_64 |
解决方法：
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[root@localhost ~]# yum install lvm2 -y [root@localhost ~]# yum install docker-io -y |