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Linux 服务与进程到底怎么管?从 ps、top 到 systemctl,8 张图讲清常用命令

  • 2026-08-20 11:49:43
Linux 服务与进程到底怎么管?从 ps、top 到 systemctl,8 张图讲清常用命令

在这篇内容当中，我会围绕 Linux 服务与进程管理中的常见场景，对 ps、pgrep、top、systemctl、journalctl、kill、nohup、nice 以及 ss 等高频命令进行相对应的系统梳理。

希望通过这些内容，能够帮助你不只是记住命令名称，而是进一步建立一套可以直接用于日常运维、服务管理以及故障排查的基础命令框架。

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=ab09ad94b30094d4608920a3a7ac3ae4
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  1. CONNECT:[ UseTime:0.000354s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000565s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000306s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000277s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000558s ]
  6. SELECT * FROM `set` [ RunTime:0.000275s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000587s ]
  8. SELECT * FROM `article` WHERE `id` = 508456 LIMIT 1 [ RunTime:0.000863s ]
  9. UPDATE `article` SET `lasttime` = 1787337165 WHERE `id` = 508456 [ RunTime:0.023404s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000298s ]
  11. SELECT * FROM `article` WHERE `id` < 508456 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000505s ]
  12. SELECT * FROM `article` WHERE `id` > 508456 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003008s ]
  13. SELECT * FROM `article` WHERE `id` < 508456 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000558s ]
  14. SELECT * FROM `article` WHERE `id` < 508456 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.050812s ]
  15. SELECT * FROM `article` WHERE `id` < 508456 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.063656s ]
0.235219s