{"id":57409,"date":"2024-10-10T19:23:15","date_gmt":"2024-10-10T11:23:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/57409\/"},"modified":"2024-10-10T19:23:15","modified_gmt":"2024-10-10T11:23:15","slug":"%e4%bf%ae%e5%be%a9-linux-%e9%8c%af%e8%aa%a4-%e5%a3%9e%e7%9a%84%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/57409\/","title":{"rendered":"\u4fee\u5fa9 Linux \u932f\u8aa4 &#8211; \u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26"},"content":{"rendered":"<h1 id=\"%e4%bf%ae%e5%be%a9-linux-%e9%8c%af%e8%aa%a4-%e5%a3%9e%e7%9a%84%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6-VZuUuAjArd\">\u4fee\u5fa9 Linux \u932f\u8aa4 &#8211; \u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/h1>\n<p>\u5728\u4f7f\u7528 Linux \u7cfb\u7d71\u6642\uff0c\u9047\u5230\u300c\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u300d\u932f\u8aa4\u662f\u76f8\u5c0d\u5e38\u898b\u7684\u554f\u984c\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u7a0b\u5e8f\u8a66\u5716\u4f7f\u7528\u4e00\u500b\u7121\u6548\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u9019\u53ef\u80fd\u662f\u7531\u65bc\u591a\u7a2e\u539f\u56e0\u9020\u6210\u7684\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u554f\u984c\u7684\u6210\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%ef%bc%9f-VZuUuAjArd\">\u4ec0\u9ebc\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\uff1f<\/h2>\n<p>\u6587\u4ef6\u63cf\u8ff0\u7b26\u662f Linux \u7cfb\u7d71\u4e2d\u7528\u4f86\u8868\u793a\u6253\u958b\u6587\u4ef6\u7684\u6574\u6578\u6a19\u8b58\u7b26\u3002\u6bcf\u7576\u4e00\u500b\u7a0b\u5e8f\u6253\u958b\u4e00\u500b\u6587\u4ef6\u6216\u8a2d\u5099\u6642\uff0c\u7cfb\u7d71\u6703\u5206\u914d\u4e00\u500b\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u901a\u5e38\uff0c\u6a19\u6e96\u8f38\u5165\u3001\u6a19\u6e96\u8f38\u51fa\u548c\u6a19\u6e96\u932f\u8aa4\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5206\u5225\u70ba 0\u30011 \u548c 2\u3002<\/p>\n<h2 id=\"%e5%a3%9e%e7%9a%84%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%e7%9a%84%e6%88%90%e5%9b%a0-VZuUuAjArd\">\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u6210\u56e0<\/h2>\n<p>\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u932f\u8aa4\u901a\u5e38\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\uff1a<\/p>\n<ul>\n<li><strong>\u6587\u4ef6\u672a\u6b63\u78ba\u6253\u958b\uff1a<\/strong>\u5982\u679c\u7a0b\u5e8f\u8a66\u5716\u5728\u672a\u6210\u529f\u6253\u958b\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5247\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6587\u4ef6\u5df2\u95dc\u9589\uff1a<\/strong>\u7576\u4e00\u500b\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u95dc\u9589\u5f8c\uff0c\u518d\u6b21\u4f7f\u7528\u8a72\u63cf\u8ff0\u7b26\u6703\u5c0e\u81f4\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u932f\u8aa4\u3002<\/li>\n<li><strong>\u8d85\u51fa\u7bc4\u570d\uff1a<\/strong>\u5982\u679c\u7a0b\u5e8f\u4f7f\u7528\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u8d85\u51fa\u4e86\u7cfb\u7d71\u5141\u8a31\u7684\u7bc4\u570d\uff0c\u4e5f\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u591a\u7dda\u7a0b\u554f\u984c\uff1a<\/strong>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u82e5\u4e00\u500b\u7dda\u7a0b\u95dc\u9589\u4e86\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u800c\u5176\u4ed6\u7dda\u7a0b\u4ecd\u7136\u5617\u8a66\u4f7f\u7528\u5b83\uff0c\u5247\u6703\u51fa\u73fe\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e5%92%8c%e4%bf%ae%e5%be%a9%e5%a3%9e%e7%9a%84%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%e9%8c%af%e8%aa%a4-VZuUuAjArd\">\u5982\u4f55\u6aa2\u67e5\u548c\u4fee\u5fa9\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u5b9a\u554f\u984c\u7684\u6839\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6aa2\u67e5\u548c\u4fee\u5fa9\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%e7%9a%84%e7%8b%80%e6%85%8b-VZuUuAjArd\">1. \u6aa2\u67e5\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u72c0\u614b<\/h3>\n<pre><code>lsof -p &lt;PID&gt;<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u7279\u5b9a\u9032\u7a0b\u7684\u6240\u6709\u6253\u958b\u6587\u4ef6\u53ca\u5176\u63cf\u8ff0\u7b26\u3002\u9019\u6709\u52a9\u65bc\u78ba\u8a8d\u6587\u4ef6\u63cf\u8ff0\u7b26\u662f\u5426\u4ecd\u7136\u6709\u6548\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e6%ad%a3%e7%a2%ba%e6%89%93%e9%96%8b%e6%96%87%e4%bb%b6-VZuUuAjArd\">2. \u78ba\u4fdd\u6b63\u78ba\u6253\u958b\u6587\u4ef6<\/h3>\n<p>\u5728\u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u6587\u4ef6\u5df2\u6b63\u78ba\u6253\u958b\u3002\u6aa2\u67e5\u8fd4\u56de\u503c\u4ee5\u78ba\u4fdd\u6c92\u6709\u932f\u8aa4\u767c\u751f\uff1a<\/p>\n<pre><code>int fd = open(\"file.txt\", O_RDONLY);\nif (fd == -1) {\n    perror(\"Error opening file\");\n}<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83-VZuUuAjArd\">3. \u6aa2\u67e5\u591a\u7dda\u7a0b\u74b0\u5883<\/h3>\n<p>\u5982\u679c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u662f\u591a\u7dda\u7a0b\u7684\uff0c\u8acb\u78ba\u4fdd\u5728\u95dc\u9589\u6587\u4ef6\u63cf\u8ff0\u7b26\u6642\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u7dda\u7a0b\u3002\u53ef\u4ee5\u4f7f\u7528\u4e92\u65a5\u9396\u4f86\u4fdd\u8b77\u5c0d\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u8a2a\u554f\u3002<\/p>\n<h3 id=\"4-%e5%a2%9e%e5%8a%a0%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6%e9%99%90%e5%88%b6-VZuUuAjArd\">4. \u589e\u52a0\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/h3>\n<p>\u5982\u679c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u6253\u958b\u5927\u91cf\u6587\u4ef6\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u589e\u52a0\u7cfb\u7d71\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7576\u524d\u9650\u5236\uff1a<\/p>\n<pre><code>ulimit -n<\/code><\/pre>\n<p>\u8981\u589e\u52a0\u9650\u5236\uff0c\u53ef\u4ee5\u7de8\u8f2f \/etc\/security\/limits.conf \u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>* soft nofile 4096\n* hard nofile 8192<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VZuUuAjArd\">\u7e3d\u7d50<\/h2>\n<p>\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u932f\u8aa4\u5728 Linux \u7cfb\u7d71\u4e2d\u662f\u5e38\u898b\u7684\u554f\u984c\uff0c\u4e86\u89e3\u5176\u6210\u56e0\u548c\u4fee\u5fa9\u65b9\u6cd5\u5c0d\u65bc\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6aa2\u67e5\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u72c0\u614b\u3001\u78ba\u4fdd\u6b63\u78ba\u6253\u958b\u6587\u4ef6\u3001\u8655\u7406\u591a\u7dda\u7a0b\u74b0\u5883\u4ee5\u53ca\u8abf\u6574\u7cfb\u7d71\u9650\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9 Linux \u932f\u8aa4\uff1a\u58de\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u63d0\u4f9b\u89e3\u6c7a\u65b9\u6848\u548c\u6b65\u9a5f\uff0c\u5e6b\u52a9\u7528\u6236\u6392\u9664\u6545\u969c\uff0c\u6062\u5fa9\u7cfb\u7d71\u6b63\u5e38\u904b\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-57409","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=57409"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57409\/revisions"}],"predecessor-version":[{"id":57410,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/57409\/revisions\/57410"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=57409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=57409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=57409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}