CentOS-6.7如何安装Docker

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1.确定CentOS版本

虽然确定是CentOS,不过，还是检查一下CentOS版本号，如下图：

[root@localhost ~]# rpm -q centos-releasecentos-release-6-7.el6.centos.12.3.x86_64

2.安装EPEL

使用yum进行安装：

yum install -y http://mirrors.yun-idc.com/epel/6/i386/epel-release-6-8.noarch.rpm

3.安装Docker

使用yum进行安装：

yum install docker-io

4.启动Docker

service docker start

5.设置开机启动Docker

设置开机启动:

chkconfig docker on

6.HelloWord测试安装是否成功

[root@localhost ~]# docker run ubuntu echo hello worldUnable to find image 'ubuntu:latest' locallylatest: Pulling from ubuntu48731f0a6276: Pull complete 9302827ed0a5: Pull complete f03f3645bde1: Pull complete cdd474520b8c: Pull complete ubuntu:latest: The image you are pulling has been verified. Important: image verification is a tech preview feature and should not be relied on to provide security.Digest: sha256:40cd91cbcaac863fa2fc0b8a8eaa440565ef5ce498d60177988f6f55ec691d9dStatus: Downloaded newer image for ubuntu:latesthello world

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