CentOS 7
mv /etc/yum.repos.d/Custome.repo /etc/yum.repos.d/Custome.repo.backup wget -O /etc/yum.repos.d/Custome.repo http://yum.swomc.net/help/Custome.repo
下载对应版本repo文件, 放入/etc/yum.repos.d/(操作前请做好相应备份)
运行以下命令生成缓存
yum clean all yum makecache