CentOS配置国内源

备份原有文件

到仓库配置文件夹下

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cd /etc/yum.repos.d/

显示一些原有文件

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[jackey@localhost yum.repos.d]$ ls
CentOS-Base.repo       CentOS-fasttrack.repo  CentOS-Vault.repo
CentOS-CR.repo         CentOS-Media.repo      CentOS-x86_64-kernel.repo
CentOS-Debuginfo.repo  CentOS-Sources.repo

备份原文件

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sudo mkdir repo_bak
sudo mv *.repo repo_bak/

添加阿里源

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sudo wget http://mirrors.aliyun.com/repo/Centos-7.repo
sudo wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo

更新软件包

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[jackey@localhost yum.repos.d]$ sudo yum update
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.aliyun.com
 * extras: mirrors.aliyun.com
 * updates: mirrors.aliyun.com
epel                                                     | 4.7 kB     00:00     
(1/3): epel/x86_64/group_gz                                |  95 kB   00:00     
(2/3): epel/x86_64/updateinfo                              | 1.0 MB   00:00     
(3/3): epel/x86_64/primary_db                              | 6.8 MB   00:01     
Resolving Dependencies
--> Running transaction check
---> Package augeas-libs.x86_64 0:1.4.0-9.el7 will be updated
---> Package augeas-libs.x86_64 0:1.4.0-9.el7_8.1 will be an update
...

查看可用源

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[jackey@localhost yum.repos.d]$ sudo yum repolist enabled
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.aliyun.com
 * extras: mirrors.aliyun.com
 * updates: mirrors.aliyun.com
repo id               repo name                                           status
base/7/x86_64         CentOS-7 - Base - mirrors.aliyun.com                10,070
epel/x86_64           Extra Packages for Enterprise Linux 7 - x86_64      13,276
extras/7/x86_64       CentOS-7 - Extras - mirrors.aliyun.com                 392
updates/7/x86_64      CentOS-7 - Updates - mirrors.aliyun.com                671
repolist: 24,409