Linux配置阿里epl源

去阿里云

有源仓库阿里云镜像官方站点
https://developer.aliyun.com/mirror/

先备份本机上的源

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

根据对应版本下载新的 CentOS-Base.repo 到 /etc/yum.repos.d/

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo

或者

curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-8.repo

运行 yum makecache 生成缓存

[23:36:42 root@C8[ network-scripts]#yum makecache
Repository AppStream is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Repository PowerTools is listed more than once in the configuration
Repository centosplus is listed more than once in the configuration
CentOS-8 - AppStream                                           2.2 kB/s | 4.3 kB     00:01    
CentOS-8 - Base - mirrors.aliyun.com                           1.7 MB/s | 2.2 MB     00:01    
CentOS-8 - Extras - mirrors.aliyun.com                          20 kB/s | 5.5 kB     00:00    
Metadata cache created.

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