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CentOS7.4怎樣更新yum源

bsp entos epo wget spa centos7 cache 原來 ror

1. 備份原來的yum源

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

2.設置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.清理緩存,生成新緩存,執行yum系統更新

$sudo yum clean all

$sudo yum makecache

$sudo yum update(可選)

參考文章:

https://blog.csdn.net/zytbft/article/details/81166345

https://yq.aliyun.com/articles/691851?spm=a2c4e.11155472.0.0.42e22088vZPR8y

CentOS7.4怎樣更新yum源