http://www.netpc.com.cn/593.html 运行yum报错Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again http://www.netpc.com.cn/593.html 今天给Centos通过rpm -Uvh装了个epel的扩展后,执行yum就开始报错: Error: Cannot retrieve metalink for reposit…