LINUX更改YUM源 备份原YUM源 mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

LINUX更改YUM源

1. 备份原YUM源

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

    2. 下载新的YUM文件

http://mirrors.163.com/.help/centos.html 163的YUM源

    3. 清空缓存

yum clean allyum makecache

 参考文章：

http://mirrors.163.com/.help/centos.html