{"id":61193,"date":"2025-04-29T14:38:06","date_gmt":"2025-04-29T06:38:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61193\/"},"modified":"2025-04-29T14:38:06","modified_gmt":"2025-04-29T06:38:06","slug":"linux%e6%80%8e%e4%b9%88%e6%9f%a5%e7%9c%8b%e7%a8%8b%e5%ba%8f%e5%8d%a0%e7%94%a8%e5%93%aa%e4%b8%aa%e7%ab%af%e5%8f%a3%e5%8f%b7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61193\/","title":{"rendered":"linux\u600e\u4e48\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u54ea\u4e2a\u7aef\u53e3\u53f7"},"content":{"rendered":"

\n linux\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u65b9\u6cd5\u662f\uff1a1\u3001netstat\u547d\u4ee4\uff0c\u67e5\u770b\u7cfb\u7edf\u7684\u7f51\u7edc\u8fde\u63a5\u548c\u76d1\u542c\u60c5\u51b5\uff1b2\u3001lsof\u547d\u4ee4\uff0c\u53ef\u4ee5\u5217\u51fa\u7cfb\u7edf\u5f53\u524d\u6253\u5f00\u7684\u6587\u4ef6\u548c\u8fdb\u7a0b\u4fe1\u606f\uff1b3\u3001ss\u547d\u4ee4\uff0cnetstat\u7684\u66ff\u4ee3\u5de5\u5177\uff0c\u63d0\u4f9b\u66f4\u5feb\u901f\u548c\u9ad8\u6548\u7684\u7f51\u7edc\u8fde\u63a5\u4fe1\u606f\u67e5\u8be2\uff1b4\u3001\/proc\u6587\u4ef6\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u8fd9\u4e9b\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002\n<\/p><\/blockquote>\n

\"linux\u600e\u4e48\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u54ea\u4e2a\u7aef\u53e3\u53f7\u63d2\u56fe\"<\/p>\n

\u672c\u6559\u7a0b\u64cd\u4f5c\u7cfb\u7edf\uff1aLinux5.18.14\u7cfb\u7edf\u3001Dell G3\u7535\u8111\u3002<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u6765\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7684\u7aef\u53e3\u53f7\uff1a<\/p>\n

1\u3001netstat\u547d\u4ee4\uff1a<\/strong><\/p>\n

\u4f7f\u7528netstat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u7684\u7f51\u7edc\u8fde\u63a5\u548c\u76d1\u542c\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528netstat\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a<\/p>\n

  netstat -tuln | grep <\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6240\u6709\u6b63\u5728\u76d1\u542c\u548c\u5efa\u7acb\u7684TCP\u548cUDP\u8fde\u63a5\uff0c\u5e76\u7b5b\u9009\u51fa\u4e0e\u6307\u5b9a\u8fdb\u7a0b\u76f8\u5173\u7684\u7aef\u53e3\u53f7\u4fe1\u606f\u3002<\/p>\n
2\u3001lsof\u547d\u4ee4\uff1a<\/strong><\/p>\n
lsof (List Open Files)\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u7cfb\u7edf\u5f53\u524d\u6253\u5f00\u7684\u6587\u4ef6\u548c\u8fdb\u7a0b\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528lsof\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a<\/p>\n
  lsof -i :<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    lsof -i TCP:\n    lsof -i UDP:<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6240\u6709\u5360\u7528\u6307\u5b9a\u7aef\u53e3\u53f7\u7684\u8fdb\u7a0b\u4fe1\u606f\u3002<\/p>\n
3\u3001ss\u547d\u4ee4\uff1a<\/strong><\/p>\n
ss (socket statistics)\u662fnetstat\u7684\u66ff\u4ee3\u5de5\u5177\uff0c\u63d0\u4f9b\u66f4\u5feb\u901f\u548c\u9ad8\u6548\u7684\u7f51\u7edc\u8fde\u63a5\u4fe1\u606f\u67e5\u8be2\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528ss\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a<\/p>\n
  ss -tuln | grep <\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6240\u6709\u6b63\u5728\u76d1\u542c\u548c\u5efa\u7acb\u7684TCP\u548cUDP\u8fde\u63a5\uff0c\u5e76\u7b5b\u9009\u51fa\u4e0e\u6307\u5b9a\u8fdb\u7a0b\u76f8\u5173\u7684\u7aef\u53e3\u53f7\u4fe1\u606f\u3002<\/p>\n
4\u3001\/proc\u6587\u4ef6\u7cfb\u7edf\uff1a<\/strong><\/p>\n
Linux\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u8fd0\u884c\u7684\u8fdb\u7a0b\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u76ee\u5f55\u5728\/proc\u76ee\u5f55\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u8fd9\u4e9b\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\/proc\u6587\u4ef6\u7cfb\u7edf\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a<\/p>\n
  ls -l \/proc\/<pid>\/fd | grep socket<\/pid><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0c\u4e3a\u8fdb\u7a0b\u7684PID\uff0c\u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6307\u5b9a\u8fdb\u7a0b\u7684\u6253\u5f00\u7684\u5957\u63a5\u5b57\uff08socket\uff09\u6587\u4ef6\u94fe\u63a5\uff0c\u4ece\u4e2d\u53ef\u4ee5\u83b7\u53d6\u7aef\u53e3\u53f7\u3002<\/p>\n
\u4ee5\u4e0a\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7684\u7aef\u53e3\u53f7\uff0c\u5728\u8bc6\u522b\u548c\u6392\u67e5\u7aef\u53e3\u51b2\u7a81\u6216\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u54ea\u4e2a\u7aef\u53e3\u53f7\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
linux\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u65b9\u6cd5\u662f\uff1a1\u3001netstat\u547d\u4ee4\uff0c\u67e5\u770b\u7cfb\u7edf\u7684\u7f51\u7edc\u8fde\u63a5\u548c\u76d1\u542c\u60c5\u51b5\uff1b2\u3001lsof\u547d\u4ee4\uff0c\u53ef\u4ee5\u5217\u51fa\u7cfb\u7edf\u5f53\u524d\u6253\u5f00\u7684\u6587\u4ef6\u548c\u8fdb\u7a0b\u4fe1\u606f\uff1b3\u3001ss\u547d\u4ee4\uff0cnetstat\u7684\u66ff\u4ee3\u5de5\u5177\uff0c\u63d0\u4f9b\u66f4\u5feb\u901f\u548c\u9ad8\u6548\u7684\u7f51\u7edc\u8fde\u63a5\u4fe1\u606f\u67e5\u8be2\uff1b4\u3001\/proc\u6587\u4ef6\u7cfb\u7edf\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u8fd9\u4e9b\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002 \u672c\u6559\u7a0b\u64cd\u4f5c\u7cfb\u7edf\uff1aLinux5.18.14\u7cfb\u7edf\u3001Dell G3\u7535\u8111\u3002 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u6765\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7684\u7aef\u53e3\u53f7\uff1a 1\u3001netstat\u547d\u4ee4\uff1a \u4f7f\u7528netstat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u7684\u7f51\u7edc\u8fde\u63a5\u548c\u76d1\u542c\u60c5\u51b5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528netstat\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a   netstat -tuln | grep  \u767b\u5f55\u540e\u590d\u5236 \u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6240\u6709\u6b63\u5728\u76d1\u542c\u548c\u5efa\u7acb\u7684TCP\u548cUDP\u8fde\u63a5\uff0c\u5e76\u7b5b\u9009\u51fa\u4e0e\u6307\u5b9a\u8fdb\u7a0b\u76f8\u5173\u7684\u7aef\u53e3\u53f7\u4fe1\u606f\u3002 2\u3001lsof\u547d\u4ee4\uff1a lsof (List Open Files)\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u7cfb\u7edf\u5f53\u524d\u6253\u5f00\u7684\u6587\u4ef6\u548c\u8fdb\u7a0b\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528lsof\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a   lsof -i : \u767b\u5f55\u540e\u590d\u5236     lsof -i TCP:     lsof -i UDP: \u767b\u5f55\u540e\u590d\u5236 \u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6240\u6709\u5360\u7528\u6307\u5b9a\u7aef\u53e3\u53f7\u7684\u8fdb\u7a0b\u4fe1\u606f\u3002 3\u3001ss\u547d\u4ee4\uff1a ss (socket statistics)\u662fnetstat\u7684\u66ff\u4ee3\u5de5\u5177\uff0c\u63d0\u4f9b\u66f4\u5feb\u901f\u548c\u9ad8\u6548\u7684\u7f51\u7edc\u8fde\u63a5\u4fe1\u606f\u67e5\u8be2\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528ss\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a   ss -tuln | grep  \u767b\u5f55\u540e\u590d\u5236 \u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6240\u6709\u6b63\u5728\u76d1\u542c\u548c\u5efa\u7acb\u7684TCP\u548cUDP\u8fde\u63a5\uff0c\u5e76\u7b5b\u9009\u51fa\u4e0e\u6307\u5b9a\u8fdb\u7a0b\u76f8\u5173\u7684\u7aef\u53e3\u53f7\u4fe1\u606f\u3002 4\u3001\/proc\u6587\u4ef6\u7cfb\u7edf\uff1a Linux\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u8fd0\u884c\u7684\u8fdb\u7a0b\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u76ee\u5f55\u5728\/proc\u76ee\u5f55\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95ee\u8fd9\u4e9b\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\/proc\u6587\u4ef6\u7cfb\u7edf\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7aef\u53e3\u53f7\u7684\u793a\u4f8b\uff1a   ls -l \/proc\/<pid>\/fd | grep socket<\/pid> \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0c\u4e3a\u8fdb\u7a0b\u7684PID\uff0c\u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6307\u5b9a\u8fdb\u7a0b\u7684\u6253\u5f00\u7684\u5957\u63a5\u5b57\uff08socket\uff09\u6587\u4ef6\u94fe\u63a5\uff0c\u4ece\u4e2d\u53ef\u4ee5\u83b7\u53d6\u7aef\u53e3\u53f7\u3002 \u4ee5\u4e0a\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u7684\u7aef\u53e3\u53f7\uff0c\u5728\u8bc6\u522b\u548c\u6392\u67e5\u7aef\u53e3\u51b2\u7a81\u6216\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\u65f6\u975e\u5e38\u6709\u7528\u3002 \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u67e5\u770b\u7a0b\u5e8f\u5360\u7528\u54ea\u4e2a\u7aef\u53e3\u53f7\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-61193","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=61193"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61193\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}