{"id":45178,"date":"2024-10-06T21:02:30","date_gmt":"2024-10-06T13:02:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45178\/"},"modified":"2024-10-06T21:02:30","modified_gmt":"2024-10-06T13:02:30","slug":"%e7%9b%a3%e6%8e%a7-linux-%e6%b5%81%e9%87%8f-shell-%e7%89%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45178\/","title":{"rendered":"\u76e3\u63a7 Linux \u6d41\u91cf Shell \u7248"},"content":{"rendered":"<h1 id=\"%e7%9b%a3%e6%8e%a7-linux-%e6%b5%81%e9%87%8f-shell-%e7%89%88-XgDXxbKKgc\">\u76e3\u63a7 Linux \u6d41\u91cf Shell \u7248<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u76e3\u63a7\u4f3a\u670d\u5668\u6d41\u91cf\u662f\u78ba\u4fdd\u7cfb\u7d71\u5b89\u5168\u548c\u6027\u80fd\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u5c0d\u65bc\u4f7f\u7528 Linux \u7cfb\u7d71\u7684\u4f3a\u670d\u5668\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u638c\u63e1\u5982\u4f55\u901a\u904e Shell \u76e3\u63a7\u6d41\u91cf\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u7528\u7684\u5de5\u5177\u548c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u6709\u6548\u5730\u76e3\u63a7 Linux \u7cfb\u7d71\u7684\u7db2\u7d61\u6d41\u91cf\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e7%9b%a3%e6%8e%a7%e6%b5%81%e9%87%8f%ef%bc%9f-XgDXxbKKgc\">\u70ba\u4ec0\u9ebc\u9700\u8981\u76e3\u63a7\u6d41\u91cf\uff1f<\/h2>\n<p>\u76e3\u63a7\u6d41\u91cf\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406\u54e1\u53ca\u6642\u767c\u73fe\u6f5b\u5728\u7684\u554f\u984c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u7570\u5e38\uff1a\u53ef\u80fd\u662f\u7531\u65bc DDoS \u653b\u64ca\u6216\u5176\u4ed6\u5b89\u5168\u554f\u984c\u3002<\/li>\n<li>\u6027\u80fd\u74f6\u9838\uff1a\u4e86\u89e3\u6d41\u91cf\u6a21\u5f0f\u53ef\u4ee5\u5e6b\u52a9\u512a\u5316\u4f3a\u670d\u5668\u6027\u80fd\u3002<\/li>\n<li>\u8cc7\u6e90\u4f7f\u7528\uff1a\u78ba\u4fdd\u8cc7\u6e90\u7684\u5408\u7406\u5206\u914d\uff0c\u907f\u514d\u904e\u5ea6\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e7%9a%84%e6%b5%81%e9%87%8f%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-XgDXxbKKgc\">\u5e38\u7528\u7684\u6d41\u91cf\u76e3\u63a7\u5de5\u5177<\/h2>\n<p>\u5728 Linux \u74b0\u5883\u4e2d\uff0c\u6709\u591a\u7a2e\u5de5\u5177\u53ef\u4ee5\u7528\u4f86\u76e3\u63a7\u7db2\u7d61\u6d41\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u9078\u64c7\uff1a<\/p>\n<h3 id=\"1-iftop-XgDXxbKKgc\">1. iftop<\/h3>\n<p><code>iftop<\/code> \u662f\u4e00\u500b\u7528\u65bc\u986f\u793a\u7db2\u7d61\u6d41\u91cf\u7684\u5be6\u6642\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u986f\u793a\u6bcf\u500b\u9023\u63a5\u7684\u5e36\u5bec\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u4e14\u652f\u6301\u904e\u6ffe\u548c\u6392\u5e8f\u529f\u80fd\u3002<\/p>\n<pre><code>sudo apt install iftop\nsudo iftop -i eth0\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u547d\u4ee4\u4e2d\uff0c<code>eth0<\/code> \u662f\u60a8\u8981\u76e3\u63a7\u7684\u7db2\u7d61\u63a5\u53e3\u3002\u57f7\u884c\u5f8c\uff0c\u60a8\u5c07\u770b\u5230\u5be6\u6642\u7684\u6d41\u91cf\u6578\u64da\u3002<\/p>\n<h3 id=\"2-nload-XgDXxbKKgc\">2. nload<\/h3>\n<p><code>nload<\/code> \u662f\u53e6\u4e00\u500b\u7c21\u55ae\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u65bc\u986f\u793a\u7db2\u7d61\u6d41\u91cf\u7684\u5be6\u6642\u5716\u5f62\u3002\u5b83\u53ef\u4ee5\u986f\u793a\u9032\u51fa\u6d41\u91cf\u7684\u5716\u8868\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u4e86\u89e3\u6d41\u91cf\u72c0\u6cc1\u3002<\/p>\n<pre><code>sudo apt install nload\nnload eth0\n<\/code><\/pre>\n<h3 id=\"3-vnstat-XgDXxbKKgc\">3. vnstat<\/h3>\n<p><code>vnstat<\/code> \u662f\u4e00\u500b\u7db2\u7d61\u6d41\u91cf\u76e3\u63a7\u5de5\u5177\uff0c\u80fd\u5920\u8a18\u9304\u548c\u986f\u793a\u9577\u671f\u7684\u6d41\u91cf\u7d71\u8a08\u6578\u64da\u3002\u5b83\u4e0d\u9700\u8981\u6301\u7e8c\u904b\u884c\uff0c\u56e0\u70ba\u5b83\u6703\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<pre><code>sudo apt install vnstat\nvnstat -u -i eth0\nvnstat\n<\/code><\/pre>\n<p>\u4f7f\u7528 <code>vnstat<\/code>\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u6bcf\u65e5\u3001\u6bcf\u6708\u548c\u6bcf\u5e74\u7684\u6d41\u91cf\u7d71\u8a08\uff0c\u9019\u5c0d\u65bc\u9577\u671f\u76e3\u63a7\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-iptables-%e7%9b%a3%e6%8e%a7%e6%b5%81%e9%87%8f-XgDXxbKKgc\">\u4f7f\u7528 iptables \u76e3\u63a7\u6d41\u91cf<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528\u5c08\u9580\u7684\u5de5\u5177\uff0c\u60a8\u9084\u53ef\u4ee5\u5229\u7528 <code>iptables<\/code> \u4f86\u76e3\u63a7\u6d41\u91cf\u3002<code>iptables<\/code> \u662f Linux \u7684\u9632\u706b\u7246\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4f86\u8a18\u9304\u9032\u51fa\u6d41\u91cf\u3002<\/p>\n<pre><code>sudo iptables -A INPUT -j LOG --log-prefix \"INPUT: \"\nsudo iptables -A OUTPUT -j LOG --log-prefix \"OUTPUT: \"\n<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u6240\u6709\u9032\u51fa\u6d41\u91cf\u90fd\u6703\u88ab\u8a18\u9304\u5230\u7cfb\u7d71\u65e5\u8a8c\u4e2d\uff0c\u60a8\u53ef\u4ee5\u901a\u904e <code>tail<\/code> \u547d\u4ee4\u67e5\u770b\u65e5\u8a8c\uff1a<\/p>\n<pre><code>tail -f \/var\/log\/syslog\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-XgDXxbKKgc\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u63a7 Linux \u7cfb\u7d71\u7684\u7db2\u7d61\u6d41\u91cf\u662f\u78ba\u4fdd\u4f3a\u670d\u5668\u5b89\u5168\u548c\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 <code>iftop<\/code>\u3001<code>nload<\/code>\u3001<code>vnstat<\/code> \u548c <code>iptables<\/code> \u7b49\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u76e3\u63a7\u548c\u5206\u6790\u6d41\u91cf\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76e3\u63a7 Linux \u6d41\u91cf\u7684 Shell \u7248\u5de5\u5177\uff0c\u8f15\u9b06\u8ffd\u8e64\u7db2\u8def\u4f7f\u7528\u60c5\u6cc1\uff0c\u5be6\u6642\u5206\u6790\u6d41\u91cf\u6578\u64da\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u8207\u5b89\u5168\u6027\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-45178","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45178","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=45178"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45178\/revisions"}],"predecessor-version":[{"id":45179,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45178\/revisions\/45179"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}