CentOS7 执行yum 命令报错 One of the configured repositories failed (Unknown)
最近在本机虚拟机上最小化安装了centos7,安装完毕后执行yum命令报错,Oneoftheconfiguredrepositoriesfailed(Unknown),andyumdoesn'thaveenoughcacheddatatocontinue.Atthispointtheonlysafethingyumcandoisfail.Thereareafewwaystowork"fix"thi