CentOS更换国内yum源（aliyun阿里镜像）
1、下载aliyun的repo
[root@master ~]# wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
--2016-12-30 23:33:00-- http://mirrors.aliyun.com/repo/Centos-7.repo
Resolving mirrors.aliyun.com... 112.124.140.210, 115.28.122.210
Connecting to mirrors.aliyun.com|112.124.140.210|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2573 (2.5K) [application/octet-stream]
Saving to: “/etc/yum.repos.d/CentOS-Base.repo”
100%[=======================================================================>] 2,573 --.-K/s in 0s
2016-12-30 23:33:00 (147 MB/s) - “/etc/yum.repos.d/CentOS-Base.repo” saved [2573/2573]
2、更新yum缓存
[root@master ~]# yum clean all
Loaded plugins: fastestmirror, refresh-packagekit, security
Cleaning repos: base extras updates
Cleaning up Everything
Cleaning up list of fastest mirrors
[root@master ~]# yum makecache
Loaded plugins: fastestmirror, refresh-packagekit, security
Determining fastest mirrors
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.7 kB 00:00
base/group_gz | 226 kB 00:00
base/filelists_db | 6.4 MB 00:06
base/primary_db | 4.7 MB 00:04
base/other_db | 2.8 MB 00:02
extras | 3.4 kB 00:00
extras/filelists_db | 38 kB 00:00
extras/prestodelta | 1.3 kB 00:00
extras/primary_db | 37 kB 00:00
extras/other_db | 51 kB 00:00
updates | 3.4 kB 00:00
updates/filelists_db | 2.5 MB 00:02
updates/prestodelta | 279 kB 00:00
updates/primary_db | 3.7 MB 00:03
updates/other_db | 49 MB 00:49
Metadata Cache Created
3、测试安装
[root@master ~]# yum install -y git
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
Resolving Dependencies
--> Running transaction check
---> Package git.x86_64 0:1.7.1-4.el6_7.1 will be installed
--> Processing Dependency: perl-Git = 1.7.1-4.el6_7.1 for package: git-1.7.1-4.el6_7.1.x86_64
--> Processing Dependency: perl(Git) for package: git-1.7.1-4.el6_7.1.x86_64
--> Processing Dependency: perl(Error) for package: git-1.7.1-4.el6_7.1.x86_64
--> Running transaction check
---> Package perl-Error.noarch 1:0.17015-4.el6 will be installed
---> Package perl-Git.noarch 0:1.7.1-4.el6_7.1 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================
Package Arch Version Repository Size
============================================================================
Installing:
git x86_64 1.7.1-4.el6_7.1 base 4.6 M
Installing for dependencies:
perl-Error noarch 1:0.17015-4.el6 base 29 k
perl-Git noarch 1.7.1-4.el6_7.1 base 28 k
Transaction Summary
===============================================================================
Install 3 Package(s)
Total download size: 4.7 M
Installed size: 15 M
Downloading Packages:
(1/3): git-1.7.1-4.el6_7.1.x86_64.rpm | 4.6 MB 00:04
(2/3): perl-Error-0.17015-4.el6.noarch.rpm | 29 kB 00:00
(3/3): perl-Git-1.7.1-4.el6_7.1.noarch.rpm | 28 kB 00:00
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 1.0 MB/s | 4.7 MB 00:04
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : 1:perl-Error-0.17015-4.el6.noarch 1/3
Installing : git-1.7.1-4.el6_7.1.x86_64 2/3
Installing : perl-Git-1.7.1-4.el6_7.1.noarch 3/3
Verifying : perl-Git-1.7.1-4.el6_7.1.noarch 1/3
Verifying : 1:perl-Error-0.17015-4.el6.noarch 2/3
Verifying : git-1.7.1-4.el6_7.1.x86_64 3/3
Installed:
git.x86_64 0:1.7.1-4.el6_7.1
Dependency Installed:
perl-Error.noarch 1:0.17015-4.el6 perl-Git.noarch 0:1.7.1-4.el6_7.1
Complete!