Centos 7 修改YUM镜像源地址为阿里云镜像地址
安装 wget yum install -y wget 进入目录 cd /etc/yum.repos.d/ 创建目录 mkdir backup 默认源配备份 mv C* backup/ 下载阿里云yum源 wget -O /etc/yum.repos.d/CenOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo 清除旧缓存 yum clean all 创建新缓存 yum makecache 更新yum yum update -y 来源: https://www.cnblogs.com/jockming/p/12221886.html