centos6.5 安装docker

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1、安装epel安装源

[root@slave2 ~]# yum install http://mirrors.yun-idc.com/epel/6/x86_64/epel-release-6-8.noarch.rpm

2、安装docker

[root@slave2 ~]# yum install -y docker-io

3、启动docker

[root@slave2 ~]# service docker statusdocker is stopped[root@slave2 ~]# service docker startStarting cgconfig service:                                 [  OK  ]Starting docker:                                   [  OK  ][root@slave2 ~]# service docker statusdocker dead but pid file exists

4、未启动成功，查看日志

[root@slave2 ~]# tail -f /var/log/docker \nTue Mar 22 14:30:00 CST 2016\ntime="2016-03-22T14:30:00.573392559+08:00" level=warning msg="You are running linux kernel version 2.6.32-431.el6.x86_64, which might be unstable running docker. Please upgrade your kernel to 3.10.0." time="2016-03-22T14:30:00.589701077+08:00" level=info msg="Listening for HTTP on unix (/var/run/docker.sock)" /usr/bin/docker: relocation error: /usr/bin/docker: symbol dm_task_get_info_with_deferred_remove, version Base not defined in file libdevmapper.so.1.02 with link time reference

5、解决

[root@slave2 ~]# yum install device-mapper-event-libs

6、说明

虽然日志提示kernel版本要从2.6.32升级到3.10.0版本，但不代表2.6.32版本不支持，而是该版本不稳定，不升级内核一样可以支持docker

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