https://blog.wongcw.com/2022/07/03/linux-mint-21%e5%b0%87%e4%b8%8d%e6%9c%83%e7%82%ba%e4%bd%8e%e8%b3%87%e6%ba%90%e6%a9%9f%e5%99%a8%e9%85%8d%e5%82%99systemd-oom/