centos8 源安装问题 解决Error: Failed to download metadata for repo ‘appstream‘: Cannot prepare internal mirrorlist
1、进入yum的repos目录cd /etc/yum.repos.d/ 2、修改所有的CentOS文件内容sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /e...