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运维必藏:Linux Shell脚本十个小技巧,省去99%麻烦

  • 2026-04-20 06:54:00
运维必藏:Linux Shell脚本十个小技巧,省去99%麻烦
Shell脚本是一系列可自动执行的命令集合，它利用Linux或Unix系统的shell环境（如Bash、Zsh等）来执行一系列预定义的指令。
通过编写shell脚本，你可以让你的Linux系统更加智能，极大地简化日常任务，提高工作效率。今天分享10个shell小技巧，拿走直接用，省去99%麻烦。
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  1. CONNECT:[ UseTime:0.000379s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000534s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000280s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000298s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000478s ]
  6. SELECT * FROM `set` [ RunTime:0.000224s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000584s ]
  8. SELECT * FROM `article` WHERE `id` = 486492 LIMIT 1 [ RunTime:0.000342s ]
  9. UPDATE `article` SET `lasttime` = 1776699407 WHERE `id` = 486492 [ RunTime:0.010484s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000295s ]
  11. SELECT * FROM `article` WHERE `id` < 486492 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001998s ]
  12. SELECT * FROM `article` WHERE `id` > 486492 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000502s ]
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  14. SELECT * FROM `article` WHERE `id` < 486492 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001905s ]
  15. SELECT * FROM `article` WHERE `id` < 486492 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001883s ]
0.092396s