https://opusmia.com/tags/%E5%91%8A%E8%AD%A6/Recent content in 告警 on OpusMiaHugozh-CNSun, 01 Nov 2026 10:44:00 +0800https://opusmia.com/posts/server-monitoring-basics/Sun, 01 Nov 2026 10:44:00 +0800https://opusmia.com/posts/server-monitoring-basics/有天早上打开博客，转圈打不开，SSH 上去一看内存被吃光了，挂了多久我完全不知道。这篇从 free、top、df 三件套讲起，到写一个超限就喊疼的告警脚本，cron 每五分钟跑一次，接进手机推送。