https://blog.wongcw.com/2020/01/16/%e5%9f%ba%e6%96%bcrhel-8-1%ef%bc%9acentos-linux-8-1%ef%bc%881911%ef%bc%89%e9%8f%a1%e5%83%8f%e9%96%8b%e6%94%be%e4%b8%8b%e8%bc%89/
基於RHEL 8.1:CentOS Linux 8.1(1911)鏡像開放下載