Centos7配置yum安装源为阿里云镜像

1.下载repo文件到/etc/yum.repos.d/目录

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

2.通过arch查看系统板本,并更改repo文件中的$releasever和$basearch

我的系统是x86_64的,如下图:

sed -i 's/$releasever/7/g' CentOS-Base.repo 
sed -i 's/$basearch/x86_64/g' CentOS-Base.repo

 

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