CentOS更换镜像源 - yiyixiaozhi/readingNotes GitHub Wiki

备份
[root@xa-yyxz sda320GB]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
下载新的 CentOS-Base.repo 到 /etc/yum.repos.d/
[root@xa-yyxz sda320GB]# wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
运行 yum makecache 生成缓存
# yum makecache