阿里镜像官方地址

下载源

类别 地址 示例
Base repo/Centos-{5,6,7,8}.repo wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
epel repo/epel-{5,6,7}.repo wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
docker-ce repo/docker-ce/centos/docker-ce.repo wget -O /etc/yum.repos.d/docker-ce.repo http://mirrors.aliyun.com/repo/docker-ce/centos/docker-ce.repo

更新镜像源

  • 清除缓存：yum clean all
  • 生成缓存：yum makecache

更新 yum

yum update