Centos更新yum源§ 下载镜像仓库文件 wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo clean yum clean all makecache yum makecache 安装epel,用以提供额外的安装包 yum install epel-release 替换清华源 sudo sed -e 's!^metalink=!#metalink=!g' \ -e 's!^#baseurl=!baseurl=!g' \ -e...