CentOS 6.5 使用aliyun镜像脚本

当我们把CentOS 6.5安装好以后，可以使用这个脚本来使用国内的阿里云镜像源

#!/bin/bash
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo
mv /etc/yum.repos.d/epel.repo /etc/yum.repos.d/epel.repo.backup
mv /etc/yum.repos.d/epel-testing.repo /etc/yum.repos.d/epel-testing.repo.backup
wget -O /etc/yum.repos.d/epel.repo
yum makecache

有了国内的源地址，后面安装东西就方便了。
搜索docker，可以看到docker-io.x86_64和docker-registry.noarch，安装docker就简单了。

[root@localhost ~]# yum search docker
 Loaded plugins: fastestmirror
 Loading mirror speeds from cached hostfile
 ======================================================== N/S Matched: docker =========================================================
 Python-docker-py.x86_64 : An API client for docker written in Python
 docker-io.x86_64 : Automates deployment of containerized applications
 docker-registry.noarch : Registry server for Docker
 Fedora-dockerfiles.noarch : Example dockerfiles to assist standing up containers quickly
 imagefactory-plugins-Docker.noarch : Cloud plugin for Docker
 docker.x86_64 : KDE and GNOME2 system tray replacement docking application

  Name and summary matches only, use "search all" for everything.

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