标签： CentOS7-更新YUM源

– 通过脚本更新YUM源 “`console #!/usr/bin/env bash # the first is backup original yum folder to the .bak sudo mv /etc/yum.repos.d/ /etc/yum.repos.d.bak # new make directory of the `/etc/yum.repos.d/` sudo mkdir /etc/yum.repos.d/ # download