CentOS7配置阿里云yum源和EPEL源
配置阿里云yum源(参考：http://mirrors.aliyun.com/help/centos)
1、备份
[root@bogon ~]# cd /etc/yum.repos.d/
[root@bogon yum.repos.d]# mkdir repo_bak
[root@bogon yum.repos.d]# mv *.repo repo_bak/
[root@bogon yum.repos.d]# ls
repo_bak
2、下载新的CentOS-Base.repo 到/etc/yum.repos.d/
[root@bogon yum.repos.d]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
---- ::-- http://mirrors.aliyun.com/repo/Centos-7.repo
Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 124.14.2.234, 124.14.2.235, 124.14.2.217, ...
Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|124.14.2.234|:... connected.
HTTP request sent, awaiting response... OK
Length: (.5K) [application/octet-stream]
Saving to: ‘/etc/yum.repos.d/CentOS-Base.repo’ %[========================================================================================>] , --.-K/s in 0s -- :: ( MB/s) - ‘/etc/yum.repos.d/CentOS-Base.repo’ saved [/] [root@bogon yum.repos.d]# ls
CentOS-Base.repo repo_bak
3、之后运行yum clean all 清除缓存，运行 yum makecache 生成新的缓存
[root@bogon yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base extras updates
Cleaning up everything
Maybe you want: rm -rf /var/cache/yum, to also free up space taken by orphaned data from disabled or removed repos
Cleaning up list of fastest mirrors
[root@bogon yum.repos.d]# yum makecache
Loaded plugins: fastestmirror
base | 3.6 kB ::
extras | 3.4 kB ::
updates | 3.4 kB ::
(/): base//x86_64/group_gz | kB ::
(/): extras//x86_64/filelists_db | kB ::
(/): extras//x86_64/primary_db | kB ::
安装EPEL（Extra Packages for Enterprise Linux ）源
4、安装EPEL源
[root@bogon yum.repos.d]# yum list | grep epel-release
epel-release.noarch - extras
[root@bogon yum.repos.d]# yum install -y epel-release
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
Resolving Dependencies
--> Running transaction check
---> Package epel-release.noarch :- will be installed
--> Finished Dependency Resolution Dependencies Resolved ==================================================================================================================================
Package Arch Version Repository Size
==================================================================================================================================
Installing:
epel-release noarch - extras k Transaction Summary
==================================================================================================================================
Install Package Total download size: k
Installed size: k
Downloading packages:
epel-release--.noarch.rpm | kB ::
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : epel-release--.noarch /
Verifying : epel-release--.noarch / Installed:
epel-release.noarch :- Complete!
[root@bogon yum.repos.d]# ls #多了epel.repo和epel-testing.repo
CentOS-Base.repo epel.repo epel-testing.repo repo_bak
5、再次运行yum clean all 清除缓存，运行 yum makecache 生成新的缓存
6、查看启用的yum源和所有的yum源
[root@bogon yum.repos.d]# yum repolist enabled #查看启用的仓库
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* epel: mirrors.ustc.edu.cn
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
repo id repo name status
base//x86_64 CentOS- - Base - mirrors.aliyun.com ,
epel/x86_64 Extra Packages for Enterprise Linux - x86_64 ,
extras//x86_64 CentOS- - Extras - mirrors.aliyun.com
updates//x86_64 CentOS- - Updates - mirrors.aliyun.com ,
repolist: ,
[root@bogon yum.repos.d]# yum repolist all #查看所有的仓库
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* epel: mirrors.ustc.edu.cn
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
repo id repo name status
base//x86_64 CentOS- - Base - mirrors.aliyun.com enabled: ,
centosplus//x86_64 CentOS- - Plus - mirrors.aliyun.com disabled
contrib//x86_64 CentOS- - Contrib - mirrors.aliyun.com disabled
epel/x86_64 Extra Packages for Enterprise Linux - x86_64 enabled: ,
epel-debuginfo/x86_64 Extra Packages for Enterprise Linux - x86_64 - Debug disabled
epel-source/x86_64 Extra Packages for Enterprise Linux - x86_64 - Source disabled
epel-testing/x86_64 Extra Packages for Enterprise Linux - Testing - x86_64 disabled
epel-testing-debuginfo/x86_64 Extra Packages for Enterprise Linux - Testing - x86_64 - Debug disabled
epel-testing-source/x86_64 Extra Packages for Enterprise Linux - Testing - x86_64 - Source disabled
extras//x86_64 CentOS- - Extras - mirrors.aliyun.com enabled:
updates//x86_64 CentOS- - Updates - mirrors.aliyun.com enabled: ,
repolist: ,
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