https://blog.wongcw.com/2020/01/22/rhel-8-2-beta%e7%89%88%e7%99%bc%e5%b8%83%ef%bc%9a%e5%a2%9e%e5%bc%b7%e7%94%a8%e6%88%b6%e9%ab%94%e9%a9%97%e5%84%aa%e5%8c%96%e7%9b%a3%e6%8e%a7%e5%92%8c%e6%80%a7%e8%83%bd/