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从 IP 到抓包,Linux 网络故障这样一步步定位

  • 2026-08-18 23:10:39
从 IP 到抓包,Linux 网络故障这样一步步定位

这组图按照真实网络故障排查过程中所采用的相关顺序，整理了 Linux 系统当中较为常用的一批网络命令。

其中的重点不仅仅是告诉大家相关命令应该如何进行输入和使用，更加重要的是把每一条命令适合检查哪些方面的问题、输出结果应该通过什么方式进行判断，以及完成当前检查之后，下一步需要朝着哪一个方向继续开展排查工作讲清楚。

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 。

【以学生为中心-SC教学改革】当Linux课堂不再“讲命令”,学生们开始抢着上台了

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  1. CONNECT:[ UseTime:0.000898s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001427s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006361s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.012756s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001383s ]
  6. SELECT * FROM `set` [ RunTime:0.004297s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001525s ]
  8. SELECT * FROM `article` WHERE `id` = 505297 LIMIT 1 [ RunTime:0.000986s ]
  9. UPDATE `article` SET `lasttime` = 1787323929 WHERE `id` = 505297 [ RunTime:0.013577s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.002686s ]
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  15. SELECT * FROM `article` WHERE `id` < 505297 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002576s ]
0.177903s