更换yum源为阿里的yum源

版权声明：版权归PHPerJiang所有 https://blog.csdn.net/qq_36558538/article/details/88392258

//备份本地yum源
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo_bak
 
//获取阿里的yum源配置
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
 
//更新cache
yum makecache
 
//查看
yum -y update 

shell脚本

#!/bin/bash

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


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

yum makecache


yum -y update