【转】CentOS7.X怎样更新yum源

1. 备份原来的yum源

$sudo cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo-backup

2.设置aliyun的yum源

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

3.添加EPEL源

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

 

4.清理缓存,生成新缓存,执行yum系统更新

$sudo yum clean all

$sudo yum makecache

$sudo yum update(可选)

posted @ 2020-04-20 17:46  Zero116  阅读(373)  评论(0编辑  收藏  举报