https://blog.wongcw.com/2018/11/01/linux-lite-v4-2-%e6%ad%a3%e5%bc%8f%e7%89%88%e5%8f%91%e5%b8%83%e9%99%84%e4%b8%8b%e8%bd%bd-%e7%8e%b0%e5%9f%ba%e4%ba%8eubuntu-18-04-1-lts/