{"id":2961,"date":"2019-11-11T20:55:40","date_gmt":"2019-11-11T12:55:40","guid":{"rendered":"https:\/\/www.liangliang.org.cn\/?p=2961"},"modified":"2019-11-11T22:16:00","modified_gmt":"2019-11-11T14:16:00","slug":"%e4%b8%80%e5%88%87%e7%9a%86%e6%96%87%e4%bb%b6-lsof%ef%bc%88list-open-files%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.liangliang.org.cn\/?p=2961","title":{"rendered":"\u4e00\u5207\u7686\u6587\u4ef6 lsof\uff08list open files\uff09"},"content":{"rendered":"

\u4e00\u5207\u7686\u6587\u4ef6 lsof\uff08list open files\uff09<\/p>\n

linux\/unix\u4e0b\u7684\u54f2\u5b66\u6838\u5fc3\u601d\u60f3\u662f\u2018\u4e00\u5207\u7686\u6587\u4ef6\u2019\u3002
\n\u201c\u4e00\u5207\u7686\u6587\u4ef6\u201d\uff0c\u6307\u7684\u662f\uff0c\u5bf9\u6240\u6709\u6587\u4ef6\uff08\u76ee\u5f55\u3001\u5b57\u7b26\u8bbe\u5907\u3001\u5757\u8bbe\u5907\u3001\u5957\u63a5\u5b57\u3001\u6253\u5370\u673a\u3001\u8fdb\u7a0b\u3001\u7ebf\u7a0b\u3001\u7ba1\u9053\u7b49\uff09\u64cd\u4f5c\uff0c\u8bfb\u5199\u90fd\u53ef\u7528fopen()\/fclose()\/fwrite()\/fread()\u7b49\u51fd\u6570\u8fdb\u884c\u5904\u7406\u3002\u5c4f\u853d\u4e86\u786c\u4ef6\u7684\u533a\u522b\uff0c\u6240\u6709\u8bbe\u5907\u90fd\u62bd\u8c61\u6210\u6587\u4ef6\uff0c\u63d0\u4f9b\u7edf\u4e00\u7684\u63a5\u53e3\u7ed9\u7528\u6237\u3002\u867d\u7136\u7c7b\u578b\u5404\u4e0d\u76f8\u540c\uff0c\u4f46\u662f\u5bf9\u5176\u63d0\u4f9b\u7684\u5374\u662f\u540c\u4e00\u5957\u64cd\u4f5c\u754c\u9762\u3002\u66f4\u8fdb\u4e00\u6b65\uff0c\u5bf9\u6587\u4ef6\u7684\u64cd\u4f5c\u4e5f\u53ef\u4ee5\u8de8\u6587\u4ef6\u7cfb\u7edf\u6267\u884c\u3002
\n\u90a3\u4e48\u5982\u4f55\u64cd\u4f5c\u4e00\u4e2a\u5df2\u7ecf\u6253\u5f00\u7684\u6587\u4ef6\uff1f
\n\u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\uff08file descriptor\uff09\uff0c\u7b80\u79f0fd\u3002\u8fd9\u91cc\u5c31\u4f7f\u7528\u5230\u4e86\u201c\u6587\u4ef6\u63cf\u8ff0\u7b26\u201d\uff0c\u5b83\u662f\u4e00\u4e2a\u5bf9\u5e94\u67d0\u4e2a\u5df2\u7ecf\u6253\u5f00\u7684\u6587\u4ef6\u7684\u7d22\u5f15\uff08\u975e\u8d1f\u6574\u6570\uff09\u3002<\/p>\n

\u666e\u901a\u6587\u4ef6\t -,Normal File
\n\u5982mp4\u3001pdf\u3001html log\uff1b\u7528\u6237\u53ef\u4ee5\u6839\u636e\u8bbf\u95ee\u6743\u9650\u5bf9\u666e\u901a\u6587\u4ef6\u8fdb\u884c\u67e5\u770b\u3001\u66f4\u6539\u548c\u5220\u9664\uff0c\u5305\u62ec \u7eaf\u6587\u672c\u6587\u4ef6(ASCII)\uff1b\u4e8c\u8fdb\u5236\u6587\u4ef6(binary)\uff1b\u6570\u636e\u683c\u5f0f\u7684\u6587\u4ef6(data);\u5404\u79cd\u538b\u7f29\u6587\u4ef6.\u7b2c\u4e00\u4e2a\u5c5e\u6027\u4e3a [-]<\/p>\n

\u76ee\u5f55\u6587\u4ef6\t d,directory file\t\/usr\/ \/home\/
\n\u76ee\u5f55\u6587\u4ef6\u5305\u542b\u4e86\u5404\u81ea\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u540d\u548c\u6307\u5411\u8fd9\u4e9b\u6587\u4ef6\u7684\u6307\u9488\uff0c\u6253\u5f00\u76ee\u5f55\u4e8b\u5b9e\u4e0a\u5c31\u662f\u6253\u5f00\u76ee\u5f55\u6587\u4ef6\uff0c\u53ea\u8981\u6709\u8bbf\u95ee\u6743\u9650\uff0c\u5c31\u53ef\u4ee5\u968f\u610f\u8bbf\u95ee\u8fd9\u4e9b\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u3002\u80fd\u7528#cd\u547d\u4ee4\u8fdb\u5165\u7684\u3002\u7b2c\u4e00\u4e2a\u5c5e\u6027\u4e3a[d]\uff0c\u4f8b\u5982 [drwxrwxrwx]<\/p>\n

\u786c\u94fe\u63a5\t-,hard links
\n\u82e5\u4e00\u4e2ainode\u53f7\u5bf9\u5e94\u591a\u4e2a\u6587\u4ef6\u540d\uff0c\u5219\u79f0\u8fd9\u4e9b\u6587\u4ef6\u4e3a\u786c\u94fe\u63a5\u3002\u786c\u94fe\u63a5\u5c31\u662f\u540c\u4e00\u4e2a\u6587\u4ef6\u4f7f\u7528\u4e86\u591a\u4e2a\u522b\u540d\u5220\u9664\u65f6,\u53ea\u4f1a\u5220\u9664\u94fe\u63a5, \u4e0d\u4f1a\u5220\u9664\u6587\u4ef6;
\n\u786c\u94fe\u63a5\u7684\u5c40\u9650\u6027:1.\u4e0d\u80fd\u5f15\u7528\u81ea\u8eab\u6587\u4ef6\u7cfb\u7edf\u4ee5\u5916\u7684\u6587\u4ef6,\u5373\u4e0d\u80fd\u5f15\u7528\u5176\u4ed6\u5206\u533a\u7684\u6587\u4ef6;2.\u65e0\u6cd5\u5f15\u7528\u76ee\u5f55;<\/p>\n

\u7b26\u53f7\u94fe\u63a5\uff08\u8f6f\u94fe\u63a5\uff09\tl,symbolic link
\n\u82e5\u6587\u4ef6\u7528\u6237\u6570\u636e\u5757\u4e2d\u5b58\u653e\u7684\u5185\u5bb9\u662f\u53e6\u4e00\u6587\u4ef6\u7684\u8def\u5f84\u540d\u7684\u6307\u5411\uff0c\u5219\u8be5\u6587\u4ef6\u5c31\u662f\u8f6f\u8fde\u63a5\uff0c\u514b\u670d\u786c\u94fe\u63a5\u7684\u5c40\u9650\u6027, \u7c7b\u4f3c\u4e8e\u5feb\u6377\u65b9\u5f0f,\u4f7f\u7528\u4e0e\u786c\u94fe\u63a5\u76f8\u540c\u3002
\n\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\tc,char\t\u6587\u4ef6\u4e00\u822c\u9690\u85cf\u5728\/dev\u76ee\u5f55\u4e0b\uff0c\u5728\u8fdb\u884c\u8bbe\u5907\u8bfb\u53d6\u548c\u5916\u8bbe\u4ea4\u4e92\u65f6\u4f1a\u88ab\u4f7f\u7528\u5230<\/p>\n

\u5373\u4e32\u884c\u7aef\u53e3\u7684\u63a5\u53e3\u8bbe\u5907
\n\u4f8b\u5982\u952e\u76d8\u3001\u9f20\u6807\u7b49\u7b49\u3002\u7b2c\u4e00\u4e2a\u5c5e\u6027\u4e3a [c]\u3002
\n\/dev\/tty\u7684\u5c5e\u6027\u662f crw-rw-rw-\uff0c\u6ce8\u610f\u524d\u9762\u7b2c\u4e00\u4e2a\u5b57 c\uff0c\u8fd9\u8868\u793a\u5b57\u7b26<\/p>\n

\u8bbe\u5907\u6587\u4ef6
\n\u5757\u8bbe\u5907\u6587\u4ef6\tb,block
\n\u5b58\u50a8\u6570\u636e\u4ee5\u4f9b\u7cfb\u7edf\u5b58\u53d6\u7684\u63a5\u53e3\u8bbe\u5907\uff0c\u7b80\u5355\u800c\u8a00\u5c31\u662f\u786c\u76d8\u3002
\n\/dev\/hda1 \u7684\u5c5e\u6027\u662f brw-r\u2014\u2013 \uff0c\u6ce8\u610f\u524d\u9762\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u662fb\uff0c\u8fd9\u8868\u793a\u5757\u8bbe\u5907\uff0c\u6bd4\u5982\u786c\u76d8\uff0c\u5149\u9a71\u7b49\u8bbe\u5907
\n\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u8bbe\u5907\u8981\u4e48\u662f\u5757\u8bbe\u5907\u6587\u4ef6\uff0c\u8981\u4e48\u662f\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\uff0c\u65e0\u4e00\u4f8b\u5916<\/p>\n

FIFO\u7ba1\u9053\u6587\u4ef6\tp,pipe
\n\u7ba1\u9053\u6587\u4ef6\u4e3b\u8981\u7528\u4e8e\u8fdb\u7a0b\u95f4\u901a\u8baf\u3002FIFO\u89e3\u51b3\u591a\u4e2a\u7a0b\u5e8f\u540c\u65f6\u5b58\u53d6\u4e00\u4e2a\u6587\u4ef6\u6240\u9020\u6210\u7684\u9519\u8bef\u3002\u6bd4\u5982\u4f7f\u7528mkfifo\u547d\u4ee4\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aFIFO\u6587\u4ef6\uff0c\u542f\u7528\u4e00\u4e2a\u8fdb\u7a0bA\u4eceFIFO\u6587\u4ef6\u91cc\u8bfb\u6570\u636e\uff0c\u542f\u52a8\u8fdb\u7a0bB\u5f80FIFO\u91cc\u5199\u6570\u636e\uff0c\u5148\u8fdb\u5148\u51fa\uff0c\u968f\u5199\u968f\u8bfb\u3002# pipe<\/p>\n

\u5957\u63a5\u5b57\ts,socket
\n\u4ee5\u542f\u52a8\u4e00\u4e2a\u7a0b\u5e8f\u6765\u76d1\u542c\u5ba2\u6237\u7aef\u7684\u8981\u6c42\uff0c\u5ba2\u6237\u7aef\u5c31\u53ef\u4ee5\u901a\u8fc7\u5957\u63a5\u5b57\u6765\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u3002\u7528\u4e8e\u8fdb\u7a0b\u95f4\u7684\u7f51\u7edc\u901a\u4fe1\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u672c\u673a\u4e4b\u95f4\u7684\u975e\u7f51\u7edc\u901a\u4fe1\uff0c\u7b2c\u4e00\u4e2a\u5c5e\u6027\u4e3a [s]\uff0c\u8fd9\u4e9b\u6587\u4ef6\u4e00\u822c\u9690\u85cf\u5728\/var\/run\u76ee\u5f55\u4e0b\uff0c\u8bc1\u660e\u7740\u76f8\u5173\u8fdb\u7a0b\u7684\u5b58\u5728<\/p>\n

lsof\uff08list open files\uff09\u662f\u4e00\u4e2a\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u6587\u4ef6\u7684\u5de5\u5177\u3002\u5728linux\u73af\u5883\u4e0b\uff0c\u4efb\u4f55\u4e8b\u7269\u90fd\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u901a\u8fc7\u6587\u4ef6\u4e0d\u4ec5\u4ec5\u53ef\u4ee5\u8bbf\u95ee\u5e38\u89c4\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u8bbf\u95ee\u7f51\u7edc\u8fde\u63a5\u548c\u786c\u4ef6\u3002\u5982\u4f20\u8f93\u63a7\u5236\u534f\u8bae (TCP) \u548c\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae (UDP) \u5957\u63a5\u5b57\u7b49\uff0c\u7cfb\u7edf\u5728\u540e\u53f0\u90fd\u4e3a\u8be5\u5e94\u7528\u7a0b\u5e8f\u5206\u914d\u4e86\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\u63d0\u4f9b\u4e86\u5927\u91cf\u5173\u4e8e\u8fd9\u4e2a\u5e94\u7528\u7a0b\u5e8f\u672c\u8eab\u7684\u4fe1\u606f\u3002<\/p>\n

lsof\u6253\u5f00\u7684\u6587\u4ef6\u53ef\u4ee5\u662f\uff1a<\/p>\n

\u666e\u901a\u6587\u4ef6 \u76ee\u5f55 \u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\u7684\u6587\u4ef6 \u5b57\u7b26\u6216\u8bbe\u5907\u6587\u4ef6 (\u51fd\u6570)\u5171\u4eab\u5e93
\n\u7ba1\u9053\uff0c\u547d\u540d\u7ba1\u9053 \u7b26\u53f7\u94fe\u63a5 \u7f51\u7edc\u6587\u4ef6\uff08\u4f8b\u5982\uff1aNFS file\u3001\u7f51\u7edcsocket\uff0cunix\u57df\u540dsocket\uff09\u8fd8\u6709\u5176\u5b83\u7c7b\u578b\u7684\u6587\u4ef6\uff0c\u7b49\u7b49<\/p>\n

\u547d\u4ee4\u53c2\u6570<\/p>\n

-a \u5217\u51fa\u6253\u5f00\u6587\u4ef6\u5b58\u5728\u7684\u8fdb\u7a0b\n-c<\u8fdb\u7a0b\u540d> \u5217\u51fa\u6307\u5b9a\u8fdb\u7a0b\u6240\u6253\u5f00\u7684\u6587\u4ef6\n-g \u5217\u51faGID\u53f7\u8fdb\u7a0b\u8be6\u60c5\n-d<\u6587\u4ef6\u53f7> \u5217\u51fa\u5360\u7528\u8be5\u6587\u4ef6\u53f7\u7684\u8fdb\u7a0b\n+d<\u76ee\u5f55> \u5217\u51fa\u76ee\u5f55\u4e0b\u88ab\u6253\u5f00\u7684\u6587\u4ef6\n+D<\u76ee\u5f55> \u9012\u5f52\u5217\u51fa\u76ee\u5f55\u4e0b\u88ab\u6253\u5f00\u7684\u6587\u4ef6\n-n<\u76ee\u5f55> \u5217\u51fa\u4f7f\u7528NFS\u7684\u6587\u4ef6\n-i<\u6761\u4ef6> \u5217\u51fa\u7b26\u5408\u6761\u4ef6\u7684\u8fdb\u7a0b\u3002\uff084\u30016\u3001\u534f\u8bae\u3001:\u7aef\u53e3\u3001 @ip \uff09\n-p<\u8fdb\u7a0b\u53f7> \u5217\u51fa\u6307\u5b9a\u8fdb\u7a0b\u53f7\u6240\u6253\u5f00\u7684\u6587\u4ef6\n-u \u5217\u51faUID\u53f7\u8fdb\u7a0b\u8be6\u60c5\n-h \u663e\u793a\u5e2e\u52a9\u4fe1\u606f\n-v \u663e\u793a\u7248\u672c\u4fe1\u606f\n<\/code><\/pre>\n
\u4f7f\u7528\u5b9e\u4f8b<\/p>\n
\u5b9e\u4f8b1\uff1a\u65e0\u4efb\u4f55\u53c2\u6570<\/p>\n
$lsof |more\n<\/code><\/pre>\n
COMMAND     PID      USER   FD      TYPE             DEVICE SIZE\/OFF       NODE NAME\ninit          1      root  cwd       DIR              253,0     4096          2 \/\ninit          1      root  rtd       DIR              253,0     4096          2 \/\ninit          1      root  txt       REG              253,0   150352    1310795 \/sbin\/init\ninit          1      root  mem       REG              253,0    65928    5505054 \/lib64\/libnss_files-2.12.so\ninit          1      root  mem       REG              253,0  1918016    5521405 \/lib64\/libc-2.12.so\ninit          1      root  mem       REG              253,0    93224    5521440 \/lib64\/libgcc_s-4.4.6-20120305.so.1\ninit          1      root  mem       REG              253,0    47064    5521407 \/lib64\/librt-2.12.so\ninit          1      root  mem       REG              253,0   145720    5521406 \/lib64\/libpthread-2.12.so\n...\n<\/code><\/pre>\n
\u8bf4\u660e\uff1a<\/p>\n
lsof\u8f93\u51fa\u5404\u5217\u4fe1\u606f\u7684\u610f\u4e49\u5982\u4e0b\uff1a\n\nCOMMAND\uff1a\u8fdb\u7a0b\u7684\u540d\u79f0\nPID\uff1a\u8fdb\u7a0b\u6807\u8bc6\u7b26\nPPID\uff1a\u7236\u8fdb\u7a0b\u6807\u8bc6\u7b26\uff08\u9700\u8981\u6307\u5b9a-R\u53c2\u6570\uff09\nUSER\uff1a\u8fdb\u7a0b\u6240\u6709\u8005\nPGID\uff1a\u8fdb\u7a0b\u6240\u5c5e\u7ec4\nFD\uff1a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7\u6587\u4ef6\u63cf\u8ff0\u7b26\u8bc6\u522b\u8be5\u6587\u4ef6\u3002\u5982cwd\u3001txt\u7b49:\n\n\uff081\uff09cwd\uff1a\u8868\u793acurrent work dirctory\uff0c\u5373\uff1a\u5e94\u7528\u7a0b\u5e8f\u7684\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\uff0c\u8fd9\u662f\u8be5\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u7684\u76ee\u5f55\uff0c\u9664\u975e\u5b83\u672c\u8eab\u5bf9\u8fd9\u4e2a\u76ee\u5f55\u8fdb\u884c\u66f4\u6539\n\uff082\uff09txt \uff1a\u8be5\u7c7b\u578b\u7684\u6587\u4ef6\u662f\u7a0b\u5e8f\u4ee3\u7801\uff0c\u5982\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u6587\u4ef6\u672c\u8eab\u6216\u5171\u4eab\u5e93\uff0c\u5982\u4e0a\u5217\u8868\u4e2d\u663e\u793a\u7684 \/sbin\/init \u7a0b\u5e8f\n\uff083\uff09lnn\uff1alibrary references (AIX);\n\uff084\uff09er\uff1aFD information error (see NAME column);\n\uff085\uff09jld\uff1ajail directory (FreeBSD);\n\uff086\uff09ltx\uff1ashared library text (code and data);\n\uff087\uff09mxx \uff1ahex memory-mapped type number xx.\n\uff088\uff09m86\uff1aDOS Merge mapped file;\n\uff089\uff09mem\uff1amemory-mapped file;\n\uff0810\uff09mmap\uff1amemory-mapped device;\n\uff0811\uff09pd\uff1aparent directory;\n\uff0812\uff09rtd\uff1aroot directory;\n\uff0813\uff09tr\uff1akernel trace file (OpenBSD);\n\uff0814\uff09v86  VP\/ix mapped file;\n\uff0815\uff090\uff1a\u8868\u793a\u6807\u51c6\u8f93\u5165\n\uff0816\uff091\uff1a\u8868\u793a\u6807\u51c6\u8f93\u51fa\n\uff0817\uff092\uff1a\u8868\u793a\u6807\u51c6\u9519\u8bef\n\u4e00\u822c\u5728\u6807\u51c6\u8f93\u51fa\u3001\u6807\u51c6\u9519\u8bef\u3001\u6807\u51c6\u8f93\u5165\u540e\u8fd8\u8ddf\u7740\u6587\u4ef6\u72b6\u6001\u6a21\u5f0f\uff1ar\u3001w\u3001u\u7b49\n\uff081\uff09u\uff1a\u8868\u793a\u8be5\u6587\u4ef6\u88ab\u6253\u5f00\u5e76\u5904\u4e8e\u8bfb\u53d6\/\u5199\u5165\u6a21\u5f0f\n\uff082\uff09r\uff1a\u8868\u793a\u8be5\u6587\u4ef6\u88ab\u6253\u5f00\u5e76\u5904\u4e8e\u53ea\u8bfb\u6a21\u5f0f\n\uff083\uff09w\uff1a\u8868\u793a\u8be5\u6587\u4ef6\u88ab\u6253\u5f00\u5e76\u5904\u4e8e\n\uff084\uff09\u7a7a\u683c\uff1a\u8868\u793a\u8be5\u6587\u4ef6\u7684\u72b6\u6001\u6a21\u5f0f\u4e3aunknow\uff0c\u4e14\u6ca1\u6709\u9501\u5b9a\n\uff085\uff09-\uff1a\u8868\u793a\u8be5\u6587\u4ef6\u7684\u72b6\u6001\u6a21\u5f0f\u4e3aunknow\uff0c\u4e14\u88ab\u9501\u5b9a\n\u540c\u65f6\u5728\u6587\u4ef6\u72b6\u6001\u6a21\u5f0f\u540e\u9762\uff0c\u8fd8\u8ddf\u7740\u76f8\u5173\u7684\u9501\n\uff081\uff09N\uff1afor a Solaris NFS lock of unknown type;\n\uff082\uff09r\uff1afor read lock on part of the file;\n\uff083\uff09R\uff1afor a read lock on the entire file;\n\uff084\uff09w\uff1afor a write lock on part of the file;\uff08\u6587\u4ef6\u7684\u90e8\u5206\u5199\u9501\uff09\n\uff085\uff09W\uff1afor a write lock on the entire file;\uff08\u6574\u4e2a\u6587\u4ef6\u7684\u5199\u9501\uff09\n\uff086\uff09u\uff1afor a read and write lock of any length;\n\uff087\uff09U\uff1afor a lock of unknown type;\n\uff088\uff09x\uff1afor an SCO OpenServer Xenix lock on part      of the file;\n\uff089\uff09X\uff1afor an SCO OpenServer Xenix lock on the      entire file;\n\uff0810\uff09space\uff1aif there is no lock.\nTYPE\uff1a\u6587\u4ef6\u7c7b\u578b\uff0c\u5982DIR\u3001REG\u7b49\uff0c\u5e38\u89c1\u7684\u6587\u4ef6\u7c7b\u578b:\n\n\uff081\uff09DIR\uff1a\u8868\u793a\u76ee\u5f55\n\uff082\uff09CHR\uff1a\u8868\u793a\u5b57\u7b26\u7c7b\u578b\n\uff083\uff09BLK\uff1a\u5757\u8bbe\u5907\u7c7b\u578b\n\uff084\uff09UNIX\uff1a UNIX \u57df\u5957\u63a5\u5b57\n\uff085\uff09FIFO\uff1a\u5148\u8fdb\u5148\u51fa (FIFO) \u961f\u5217\n\uff086\uff09IPv4\uff1a\u7f51\u9645\u534f\u8bae (IP) \u5957\u63a5\u5b57\nDEVICE\uff1a\u6307\u5b9a\u78c1\u76d8\u7684\u540d\u79f0\nSIZE\uff1a\u6587\u4ef6\u7684\u5927\u5c0f\nNODE\uff1a\u7d22\u5f15\u8282\u70b9\uff08\u6587\u4ef6\u5728\u78c1\u76d8\u4e0a\u7684\u6807\u8bc6\uff09\nNAME\uff1a\u6253\u5f00\u6587\u4ef6\u7684\u786e\u5207\u540d\u79f0\n<\/code><\/pre>\n
\u5b9e\u4f8b2\uff1a\u67e5\u627e\u67d0\u4e2a\u6587\u4ef6\u76f8\u5173\u7684\u8fdb\u7a0b<\/strong><\/p>\n
$lsof \/bin\/bash\n<\/code><\/pre>\n
COMMAND     PID USER  FD   TYPE DEVICE SIZE\/OFF    NODE NAME\nmysqld_sa  2169 root txt    REG  253,0   938736 4587562 \/bin\/bash\nksmtuned   2334 root txt    REG  253,0   938736 4587562 \/bin\/bash\nbash      20121 root txt    REG  253,0   938736 4587562 \/bin\/bash\n<\/code><\/pre>\n
\u5b9e\u4f8b3\uff1a\u5217\u51fa\u67d0\u4e2a\u7528\u6237\u6253\u5f00\u7684\u6587\u4ef6\u4fe1\u606f<\/p>\n
   $lsof -u username\n<\/code><\/pre>\n
-u \u9009\u9879\uff0cu\u662fuser\u7684\u7f29\u5199<\/p>\n
\u5b9e\u4f8b4\uff1a\u5217\u51fa\u67d0\u4e2a\u7a0b\u5e8f\u8fdb\u7a0b\u6240\u6253\u5f00\u7684\u6587\u4ef6\u4fe1\u606f<\/p>\n
$lsof -c mysql\n<\/code><\/pre>\n
-c \u9009\u9879\u5c06\u4f1a\u5217\u51fa\u6240\u6709\u4ee5mysql\u8fd9\u4e2a\u8fdb\u7a0b\u5f00\u5934\u7684\u7a0b\u5e8f\u7684\u6587\u4ef6\uff0c\u5176\u5b9e\u4f60\u4e5f\u53ef\u4ee5\u5199\u6210 lsof | grep mysql, \u4f46\u662f\u7b2c\u4e00\u79cd\u65b9\u6cd5\u660e\u663e\u6bd4\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u8981\u5c11\u6253\u51e0\u4e2a\u5b57\u7b26\uff1b<\/p>\n
\u5b9e\u4f8b5\uff1a\u5217\u51fa\u67d0\u4e2a\u7528\u6237\u4ee5\u53ca\u67d0\u4e2a\u8fdb\u7a0b\u6240\u6253\u5f00\u7684\u6587\u4ef6\u4fe1\u606f<\/p>\n
$lsof  -u test -c mysql\n<\/code><\/pre>\n
\u5b9e\u4f8b6\uff1a\u901a\u8fc7\u67d0\u4e2a\u8fdb\u7a0b\u53f7\u663e\u793a\u8be5\u8fdb\u7a0b\u6253\u5f00\u7684\u6587\u4ef6<\/strong><\/p>\n
$lsof -p 11968\n<\/code><\/pre>\n
\u5b9e\u4f8b7\uff1a\u5217\u51fa\u6240\u6709\u7684\u7f51\u7edc\u8fde\u63a5<\/strong><\/p>\n
$lsof -i\n<\/code><\/pre>\n
\u5b9e\u4f8b8\uff1a\u5217\u51fa\u6240\u6709tcp \u7f51\u7edc\u8fde\u63a5\u4fe1\u606f<\/strong><\/p>\n
$lsof -i tcp\n<\/code><\/pre>\n
$lsof -n -i tcp\nCOMMAND     PID  USER   FD   TYPE  DEVICE SIZE\/OFF NODE NAME\nsvnserve  11552 weber    3u  IPv4 3799399      0t0  TCP *:svn (LISTEN)\nredis-ser 25501 weber    4u  IPv4  113150      0t0  TCP 127.0.0.1:6379 (LISTEN)\n<\/code><\/pre>\n
\u5b9e\u4f8b9\uff1a\u5217\u51fa\u8c01\u5728\u4f7f\u7528\u67d0\u4e2a\u7aef\u53e3<\/strong><\/p>\n
$lsof -i :3306\n<\/code><\/pre>\n
\u5b9e\u4f8b10\uff1a\u5217\u51fa\u67d0\u4e2a\u7528\u6237\u7684\u6240\u6709\u6d3b\u8dc3\u7684\u7f51\u7edc\u7aef\u53e3<\/p>\n
$lsof -a -u test -i\n<\/code><\/pre>\n
\u5b9e\u4f8b11\uff1a\u6839\u636e\u6587\u4ef6\u63cf\u8ff0\u5217\u51fa\u5bf9\u5e94\u7684\u6587\u4ef6\u4fe1\u606f<\/p>\n
$lsof -d description(like 2)\n<\/code><\/pre>\n
\u793a\u4f8b:\n$lsof -d 3 | grep PARSER1\ntail      6499 tde    3r   REG    253,3   4514722     417798 \/opt\/applog\/open\/log\/HOSTPARSER1_ERROR_141217.log.001\n\u8bf4\u660e\uff1a 0\u8868\u793a\u6807\u51c6\u8f93\u5165\uff0c1\u8868\u793a\u6807\u51c6\u8f93\u51fa\uff0c2\u8868\u793a\u6807\u51c6\u9519\u8bef\uff0c\u4ece\u800c\u53ef\u77e5\uff1a\u6240\u4ee5\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\u6240\u6253\u5f00\u7684\u6587\u4ef6\u7684 FD \u90fd\u662f\u4ece 3 \u5f00\u59cb\n<\/code><\/pre>\n
\u5b9e\u4f8b12\uff1a\u5217\u51fa\u88ab\u8fdb\u7a0b\u53f7\u4e3a1234\u7684\u8fdb\u7a0b\u6240\u6253\u5f00\u7684\u6240\u6709IPV4 network files<\/strong><\/p>\n
$lsof -i 4 -a -p 1234\n<\/code><\/pre>\n
lsof -i @nf5260i5-td:20,21,80 -r 3\n<\/code><\/pre>\n
\n\u7528lsof\u770b\u770b\u6211\u7684thinkpad x61t<\/h2>\n
root@thinkpad:\/home\/liang# lsof -i:88<\/p>\n
COMMAND   PID USER   FD   TYPE DEVICE SIZE\/OFF NODE NAME\nhttpd    1613 root    6u  IPv6  23595      0t0  TCP *:kerberos (LISTEN)\nhttpd   19620  www    6u  IPv6  23595      0t0  TCP *:kerberos (LISTEN)\nhttpd   19621  www    6u  IPv6  23595      0t0  TCP *:kerberos (LISTEN)\nhttpd   19622  www    6u  IPv6  23595      0t0  TCP *:kerberos (LISTEN)\nhttpd   22813  www    6u  IPv6  23595      0t0  TCP *:kerberos (LISTEN)\n<\/code><\/pre>\n
root@thinkpad:\/home\/liang# lsof -p 1613<\/p>\n
COMMAND  PID USER   FD   TYPE DEVICE SIZE\/OFF    NODE NAME\nhttpd   1613 root  cwd    DIR    8,5     4096       2 \/\nhttpd   1613 root  rtd    DIR    8,5     4096       2 \/\n root    3u  sock    0,9      0t0   23590 protocol: TCP\nhttpd   1613 root    4u  IPv6  23591      0t0     TCP *:http (LISTEN)\n......\n......\nhttpd   1613 root    5u  sock    0,9      0t0   23594 protocol: TCP\nhttpd   1613 root    6u  IPv6  23595      0t0     TCP *:kerberos (LISTEN)\nhttpd   1613 root    7u  sock    0,9      0t0   23598 protocol: TCP\nhttpd   1613 root    8u  IPv6  23599      0t0     TCP *:77 (LISTEN)\nhttpd   1613 root    9u  sock    0,9      0t0   23606 protocol: TCP\nhttpd   1613 root   10u  IPv6  23607      0t0     TCP *:888 (LISTEN)\nhttpd   1613 root   11r  FIFO   0,12      0t0 1215756 pipe\nhttpd   1613 root   12w  FIFO   0,12      0t0 1215756 pipe\n.....\n.....\n<\/code><\/pre>\n
root@thinkpad:\/home\/liang#<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u5207\u7686\u6587\u4ef6 lsof\uff08list open files\uff09 linux\/unix\u4e0b\u7684\u54f2\u5b66\u6838\u5fc3\u601d\u60f3\u662f\u2018\u4e00\u5207\u7686\u6587\u4ef6\u2019\u3002 \u201c\u4e00\u5207\u7686\u6587\u4ef6\u201d\uff0c\u6307\u7684\u662f\uff0c\u5bf9\u6240\u6709\u6587\u4ef6\uff08\u76ee\u5f55\u3001\u5b57\u7b26\u8bbe\u5907\u3001\u5757\u8bbe\u5907\u3001\u5957\u63a5\u5b57\u3001\u6253\u5370\u673a\u3001\u8fdb\u7a0b\u3001\u7ebf\u7a0b\u3001...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-2961","post","type-post","status-publish","format-standard","hentry","category-linux-gnu"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/2961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2961"}],"version-history":[{"count":10,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/2961\/revisions"}],"predecessor-version":[{"id":2976,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/2961\/revisions\/2976"}],"wp:attachment":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}