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Linux根目录扫盲,搞定90%运维问题

  • 2026-06-28 22:38:05
Linux根目录扫盲,搞定90%运维问题

Linux根目录扫盲,搞定90%运维问题

——————🗂️ 核心目录速记 ——————
💎 /bin：救命工具箱
▫️ ls/cp/mv都在这里
▫️ 系统崩溃时最后的希望！
💎 /etc：系统的备忘录
▫️ 所有软件配置都在这
▫️ 改错一个文件可能崩系统！
💎 /home：你的小房间
▫️ 重要文件别放/root！
▫️ 每个用户都有独立空间
——————⚡ 运维必背目录 ——————
🔧 /var/log：看系统悄悄话
🔧 /proc/cpuinfo：查CPU信息
🔧 /dev/sda：硬盘设备入口
——————💣 高危操作区 ——————
⚠️ /boot：内核命根子
⚠️ /lib：删了系统直接挂
⚠️ /usr：软件大本营
💡 我的记忆口诀：
“二进家很舒服，医德破媒体”
（对应 /bin /home /etc /proc /media）
👇 使用场景速查：
✅ 找命令 → /bin
✅ 改配置 → /etc
✅ 插U盘 → /media
#Linux #运维 #程序员 #计算机 #学习笔记 #网络安全 #知识分享

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  2. 运行时间 : 0.102968s [ 吞吐率：9.71req/s ] 内存消耗：4,504.90kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=04b8cfd5675d758f8bd15b3039774b06
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  139. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/runtime/temp/067d451b9a0c665040f3f1bdd3293d68.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000681s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000856s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000335s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001827s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000503s ]
  6. SELECT * FROM `set` [ RunTime:0.002805s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000565s ]
  8. SELECT * FROM `article` WHERE `id` = 489168 LIMIT 1 [ RunTime:0.000409s ]
  9. UPDATE `article` SET `lasttime` = 1783129888 WHERE `id` = 489168 [ RunTime:0.007212s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000231s ]
  11. SELECT * FROM `article` WHERE `id` < 489168 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000521s ]
  12. SELECT * FROM `article` WHERE `id` > 489168 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000447s ]
  13. SELECT * FROM `article` WHERE `id` < 489168 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001068s ]
  14. SELECT * FROM `article` WHERE `id` < 489168 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014770s ]
  15. SELECT * FROM `article` WHERE `id` < 489168 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001138s ]
0.104659s