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运维人背完这20条Linux命令,解决80%测试场景

  • 2026-08-18 23:10:35
运维人背完这20条Linux命令,解决80%测试场景

做了五年运维，每天跟服务器、日志、报错打交道，Linux命令早就刻进肌肉记忆里了。

后来转了网安，本以为要跟各种漏洞、流量、渗透工具死磕，结果发现——真正让我站稳脚跟的，还是当年那套“敲命令”的基本功。

不是所有命令都值得背，但这20条，从排查到测试，从定位到验证，覆盖了我转行后80%的工作场景。

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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  2. 运行时间 : 0.422915s [ 吞吐率：2.36req/s ] 内存消耗：4,568.07kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=2755640b995bfc6267178cd13975cc94
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  1. CONNECT:[ UseTime:0.001042s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001539s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002837s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001874s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001743s ]
  6. SELECT * FROM `set` [ RunTime:0.000640s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001696s ]
  8. SELECT * FROM `article` WHERE `id` = 504882 LIMIT 1 [ RunTime:0.014749s ]
  9. UPDATE `article` SET `lasttime` = 1787298272 WHERE `id` = 504882 [ RunTime:0.025167s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000635s ]
  11. SELECT * FROM `article` WHERE `id` < 504882 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001055s ]
  12. SELECT * FROM `article` WHERE `id` > 504882 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002306s ]
  13. SELECT * FROM `article` WHERE `id` < 504882 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.056211s ]
  14. SELECT * FROM `article` WHERE `id` < 504882 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.071594s ]
  15. SELECT * FROM `article` WHERE `id` < 504882 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.029079s ]
0.426529s