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原创 Centos7安装gcc编辑器报Could not retrieve mirrorlist http:....... Could not resolve host:.....错

错误详情：在Linux系统终端中输入gcc安装命令：yum -y install gcc gcc-c++ kernel-devel报错示例： [root@localhost fei]# yum -y install gcc gcc-c++ kernel-devel 已加载插件：fastestmirror, langpacks Loading mirror speeds from cached hostfile Could not retrieve mirrorlist http://mirro