{"id":759,"date":"2026-11-06T15:09:31","date_gmt":"2026-11-06T07:09:31","guid":{"rendered":"https:\/\/www.idcy.com\/help\/news\/10759.html"},"modified":"2026-11-06T15:09:31","modified_gmt":"2026-11-06T07:09:31","slug":"%e7%be%8e%e5%9b%bd%e7%8b%ac%e4%ba%ab%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%bf%90%e8%a1%8c%e7%8e%af%e5%a2%83%e8%b0%83%e4%bc%98%ef%bc%9anginx%e6%80%a7%e8%83%bd%e5%8f%82%e6%95%b0%e4%b8%8elinux%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.idcy.com\/help\/docs\/10759.html","title":{"rendered":"\u7f8e\u56fd\u72ec\u4eab\u670d\u52a1\u5668\u8fd0\u884c\u73af\u5883\u8c03\u4f18\uff1aNginx\u6027\u80fd\u53c2\u6570\u4e0eLinux\u5b89\u5168\u57fa\u7ebf\u914d\u7f6e\u5b9e\u5f55"},"content":{"rendered":"<p>\u5728\u90e8\u7f72\u9762\u5411\u7f8e\u56fd\u8282\u70b9\u7684\u72ec\u7acb\u670d\u52a1\u5668\u65f6\uff0c<a href=\"https:\/\/www.idcy.com\/dedicated\/us\/\" title=\"\u7f8e\u56fd\u72ec\u4eab\u670d\u52a1\u5668\" class=\"idcy-auto-link\">\u7f8e\u56fd\u72ec\u4eab\u670d\u52a1\u5668<\/a> \u7684\u72ec\u7acb\u786c\u4ef6\u8d44\u6e90\u66f4\u4fbf\u4e8e\u957f\u671f\u6392\u969c\u548c\u53c2\u6570\u63a7\u5236\u3002\u4e0a\u7ebf\u524d\u7684\u6027\u80fd\u4e0e\u5b89\u5168\u57fa\u7ebf\u4f1a\u76f4\u63a5\u5f71\u54cd\u7a33\u5b9a\u6027\u548c\u8fd0\u7ef4\u6210\u672c\u3002\u672c\u6587\u57fa\u4e8e\u5e38\u89c1 Linux \u53d1\u884c\u7248\u548c Nginx Stable \u7248\u672c\u6574\u7406\u4e00\u5957\u6b65\u9aa4\uff0c\u8986\u76d6\u5907\u4efd\u3001Nginx \u53c2\u6570\u3001Linux \u8bbf\u95ee\u63a7\u5236\u3001\u9a8c\u8bc1\u4e0e\u56de\u6eda\u3002<\/p>\n<h2>\u4e00\u3001\u9002\u7528\u8303\u56f4\u4e0e\u64cd\u4f5c\u524d\u5907\u4efd<\/h2>\n<p>\u672c\u6587\u5047\u8bbe\u64cd\u4f5c\u7cfb\u7edf\u4e3a Ubuntu 22.04\/24.04 LTS\u3001Debian 12\u3001Rocky Linux 9 \u6216 AlmaLinux 9 \u7b49\u5e38\u89c1\u7248\u672c\uff0cNginx \u4f7f\u7528\u7cfb\u7edf\u8f6f\u4ef6\u6e90\u6216\u5b98\u65b9\u4ed3\u5e93\u5b89\u88c5\u7684\u5f53\u524d\u7a33\u5b9a\u7248\u3002\u7531\u4e8e\u4e0d\u540c\u955c\u50cf\u6e90\u7684\u8f6f\u4ef6\u7248\u672c\u548c\u8def\u5f84\u53ef\u80fd\u4e0d\u540c\uff0c\u6267\u884c\u524d\u8bf7\u4ee5\u5b9e\u9645\u7cfb\u7edf\u548c\u5b98\u65b9\u6587\u6863\u4e3a\u51c6\u3002<\/p>\n<pre><code>cp -a \/etc\/nginx \/etc\/nginx.bak.$(date +%F)\ncp -a \/etc\/ssh\/sshd_config.d \/etc\/ssh\/sshd_config.d.bak.$(date +%F) 2&gt;\/dev\/null || true\nnginx -v &gt; \/opt\/nginx-version.txt 2&gt;&amp;1<\/code><\/pre>\n<p>\u82e5\u7cfb\u7edf\u672a\u5c06 SSH \u914d\u7f6e\u62c6\u5206\u5230 <code>\/etc\/ssh\/sshd_config.d<\/code>\uff0c\u5907\u4efd <code>\/etc\/ssh\/sshd_config<\/code> \u4e3b\u6587\u4ef6\u5373\u53ef\u3002\u5efa\u8bae\u8bb0\u5f55\u5f53\u524d\u5185\u6838\u7248\u672c\u548c\u5df2\u5b89\u88c5\u8f6f\u4ef6\u7248\u672c\uff0c\u4fbf\u4e8e\u56de\u6eda\u65f6\u5bf9\u7167\u3002<\/p>\n<h2>\u4e8c\u3001Nginx \u6027\u80fd\u53c2\u6570\u8c03\u6574<\/h2>\n<p>\u8c03\u6574\u524d\u53ef\u5148\u53c2\u8003 <a href=\"https:\/\/www.idcy.com\/help\/?help_category=tech-docs\" title=\"Nginx\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u6307\u5357\" class=\"idcy-auto-link\">Nginx\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u6307\u5357<\/a> \u7684\u901a\u7528\u6392\u67e5\u987a\u5e8f\uff0c\u89c2\u5bdf\u8fde\u63a5\u6570\u3001Keepalive \u547d\u4e2d\u60c5\u51b5\u548c\u9759\u6001\u8d44\u6e90\u8bf7\u6c42\uff0c\u518d\u4fee\u6539 worker \u4e0e\u7f13\u5b58\u53c2\u6570\uff0c\u907f\u514d\u53ea\u51ed\u7ecf\u9a8c\u6570\u503c\u76f4\u63a5\u4e0a\u7ebf\u3002<\/p>\n<ul>\n<li><strong>worker_processes auto<\/strong>\uff1a\u6839\u636e CPU \u6838\u6570\u81ea\u52a8\u521b\u5efa worker\u3002<\/li>\n<li><strong>worker_connections 2048<\/strong>\uff1a\u9700\u540c\u6b65\u786e\u8ba4\u7cfb\u7edf\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u3002<\/li>\n<li><strong>keepalive_timeout 30<\/strong> \u4e0e <strong>keepalive_requests 1000<\/strong>\uff1a\u51cf\u5c11\u77ed\u8fde\u63a5\u53cd\u590d\u5efa\u7acb\u3002<\/li>\n<li><strong>sendfile on\u3001tcp_nopush on\u3001tcp_nodelay on<\/strong>\uff1a\u4f18\u5316\u9759\u6001\u6587\u4ef6\u4f20\u8f93\u548c\u54cd\u5e94\u5305\u3002<\/li>\n<li><strong>gzip on<\/strong>\uff1a\u538b\u7f29\u6587\u672c\u3001JSON\u3001JavaScript\u3001SVG\uff1b\u5df2\u538b\u7f29\u7684\u56fe\u7247\u548c\u89c6\u9891\u4e0d\u5efa\u8bae\u91cd\u590d\u538b\u7f29\u3002<\/li>\n<\/ul>\n<pre><code># nginx.conf \u8c03\u6574\u793a\u4f8b\nworker_processes auto;\nevents { worker_connections 2048; }\nhttp {\n    sendfile on;\n    tcp_nopush on;\n    tcp_nodelay on;\n    keepalive_timeout 30;\n    keepalive_requests 1000;\n    open_file_cache max=10000 inactive=30s;\n    gzip on;\n    gzip_min_length 1k;\n    gzip_types text\/plain text\/css application\/json application\/javascript image\/svg+xml;\n}<\/code><\/pre>\n<p>\u6267\u884c <code>nginx -t<\/code> \u68c0\u67e5\u8bed\u6cd5\uff0c\u518d\u4f7f\u7528 <code>systemctl reload nginx<\/code> \u751f\u6548\u3002\u82e5\u63d0\u793a file descriptor \u4e0d\u8db3\uff0c\u53ef\u67e5\u770b <code>ulimit -n<\/code> \u5e76\u6839\u636e\u7cfb\u7edf\u6587\u6863\u8c03\u6574\u3002<\/p>\n<figure class=\"idcy-article-image\"><img decoding=\"async\" src=\"https:\/\/www.idcy.com\/wp-content\/uploads\/seo-images\/2026\/11\/idcy-tech-g08-02-2093a1a4d6a7.webp\" alt=\"\u670d\u52a1\u5668\u8fd0\u7ef4\u4e0e\u6280\u672f\u914d\u7f6e\u573a\u666f\u793a\u610f\u56fe\" width=\"1200\" height=\"675\" loading=\"lazy\"><\/figure>\n<h2>\u4e09\u3001Linux \u8bbf\u95ee\u63a7\u5236\u4e0e\u5b89\u5168\u57fa\u7ebf<\/h2>\n<p>\u5b89\u5168\u4fa7\u5efa\u8bae\u5148\u6309 <a href=\"https:\/\/www.idcy.com\/help\/?help_category=tech-docs\" title=\"Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u6307\u5357\" class=\"idcy-auto-link\">Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u6307\u5357<\/a> \u7684\u601d\u8def\u5b8c\u6210\u7ba1\u7406\u5165\u53e3\u4fdd\u62a4\uff0c\u518d\u914d\u7f6e\u9632\u706b\u5899\u548c\u4e3b\u673a\u5ba1\u8ba1\uff0c\u907f\u514d\u5148\u5f00\u653e\u516c\u7f51\u518d\u8865\u6551\u3002\u4ee5\u4e0b\u64cd\u4f5c\u4ee5\u4e0d\u5f71\u54cd\u73b0\u6709\u7ba1\u7406\u8fde\u63a5\u4e3a\u524d\u63d0\u3002<\/p>\n<h3>1. SSH \u767b\u5f55\u6536\u7d27<\/h3>\n<pre><code>adduser deployer\nusermod -aG sudo deployer\n# SSH \u914d\u7f6e\uff1a\u5bc6\u94a5\u767b\u5f55\u9a8c\u8bc1\u901a\u8fc7\u540e\u518d\u5173\u95ed\u5bc6\u7801\nPermitRootLogin prohibit-password\nPubkeyAuthentication yes\nAllowUsers deployer<\/code><\/pre>\n<p>\u6267\u884c\u540e\u8fd0\u884c <code>sshd -t<\/code> \u68c0\u67e5\u8bed\u6cd5\uff0c\u53e6\u5f00\u7ec8\u7aef\u9a8c\u8bc1\u767b\u5f55\u6210\u529f\u540e\u518d\u5173\u95ed\u5f53\u524d\u4f1a\u8bdd\u3002\u82e5\u914d\u7f6e\u9519\u8bef\uff0c\u53ef\u901a\u8fc7\u670d\u52a1\u5668\u7ba1\u7406\u540e\u53f0\u6216\u5e26\u5916\u7ec8\u7aef\u6062\u590d\u5907\u4efd\u6587\u4ef6\u3002<\/p>\n<h3>2. \u9632\u706b\u5899\u6700\u5c0f\u5f00\u653e\u539f\u5219<\/h3>\n<pre><code>firewall-cmd --permanent --add-service=ssh\nfirewall-cmd --permanent --add-service=http\nfirewall-cmd --permanent --add-service=https\nfirewall-cmd --reload\nfirewall-cmd --list-all<\/code><\/pre>\n<p>\u542f\u7528\u9632\u706b\u5899\u524d\u786e\u8ba4 22\u300180\u3001443 \u5df2\u653e\u884c\u3002\u4f7f\u7528 UFW \u65f6\u6267\u884c <code>ufw allow OpenSSH<\/code>\u3001<code>ufw allow 'Nginx Full'<\/code>\uff0c\u786e\u8ba4\u540e <code>ufw enable<\/code>\u3002\u4e0d\u8981\u6e05\u7a7a\u89c4\u5219\u6216\u76f4\u63a5\u5173\u95ed\u9632\u706b\u5899\u3002<\/p>\n<h3>3. \u4e3b\u673a\u5ba1\u8ba1\u4e0e\u66f4\u65b0<\/h3>\n<ul>\n<li>\u5b89\u88c5\u5e76\u542f\u7528 fail2ban\uff0c\u914d\u7f6e sshd \u548c nginx \u76f8\u5173 jail\u3002<\/li>\n<li>\u67e5\u770b\u76d1\u542c\u7aef\u53e3\uff1a<code>ss -lntp<\/code>\uff0c\u786e\u8ba4\u53ea\u66b4\u9732 22\u300180\u3001443\u3002<\/li>\n<li>\u66f4\u65b0\u7cfb\u7edf\u524d\u5148\u67e5\u770b\u5347\u7ea7\u9879\uff1a<code>apt list --upgradable<\/code> \u6216 <code>dnf check-update<\/code>\uff0c\u5206\u6b65\u6267\u884c\u5e76\u4fdd\u7559\u914d\u7f6e\u5907\u4efd\u3002<\/li>\n<li>\u7f51\u7ad9\u76ee\u5f55\u6743\u9650\u5efa\u8bae\u4f7f\u7528 750 \u6216 640\uff0c\u4e0d\u6388\u4e88 777\u3002<\/li>\n<\/ul>\n<p>\u9a8c\u8bc1\u53ef\u6267\u884c <code>ss -lntp | grep -E ':(22|80|443)'<\/code>\u3001<code>systemctl status nginx sshd fail2ban --no-pager<\/code>\u3001<code>journalctl -u sshd -n 20<\/code>\u3002<\/p>\n<h2>\u56db\u3001\u4e0a\u7ebf\u524d\u7684\u9a8c\u8bc1\u65b9\u6cd5<\/h2>\n<ul>\n<li><strong>\u914d\u7f6e\u8bed\u6cd5<\/strong>\uff1a\u6267\u884c <code>nginx -t<\/code> \u4e0e <code>sshd -t<\/code>\u3002<\/li>\n<li><strong>HTTP \u54cd\u5e94<\/strong>\uff1a\u6267\u884c <code>curl -I -H 'Accept-Encoding: gzip' http:\/\/127.0.0.1\/<\/code>\uff0c\u89c2\u5bdf\u72b6\u6001\u7801\u548c Content-Encoding\u3002<\/li>\n<li><strong>\u8fde\u63a5\u72b6\u6001<\/strong>\uff1a\u6267\u884c <code>ss -s<\/code>\uff0c\u8bc4\u4f30 keepalive \u53c2\u6570\u662f\u5426\u5408\u7406\u3002<\/li>\n<li><strong>\u5b89\u5168\u65e5\u5fd7<\/strong>\uff1a\u6267\u884c <code>fail2ban-client status<\/code> \u548c <code>last -n 20<\/code>\u3002<\/li>\n<\/ul>\n<h2>\u4e94\u3001\u56de\u6eda\u4e0e\u65e5\u5e38\u7ef4\u62a4\u5efa\u8bae<\/h2>\n<p>\u6bcf\u6b21\u4fee\u6539\u524d\u521b\u5efa\u5e26\u65f6\u95f4\u6233\u5907\u4efd\uff0c\u4f8b\u5982 <code>cp -a \/etc\/nginx \/etc\/nginx.bak.$(date +%F_%H%M%S)<\/code>\u3002\u51fa\u73b0\u5f02\u5e38\u65f6\u7528\u5907\u4efd\u6062\u590d\u540e\u518d\u6267\u884c\u8bed\u6cd5\u68c0\u67e5\u548c\u670d\u52a1 reload\u3002\u914d\u7f6e\u76ee\u5f55\u53ef\u7eb3\u5165 Git \u4ed3\u5e93\uff0c\u4fbf\u4e8e\u8bb0\u5f55\u53d8\u66f4\u548c\u56de\u6eaf\u3002<\/p>\n<p>\u5bf9\u4e8e\u6301\u7eed\u8d1f\u8f7d\u7c7b\u4e1a\u52a1\uff0c\u72ec\u7acb\u670d\u52a1\u5668\u53ef\u63d0\u4f9b\u660e\u786e\u7684\u786c\u4ef6\u8d44\u6e90\u4e0e\u8c03\u4f18\u7a7a\u95f4\uff0c\u4f46\u5b9e\u9645\u627f\u8f7d\u80fd\u529b\u53d6\u51b3\u4e8e\u6240\u9009 CPU\u3001\u5185\u5b58\u3001\u786c\u76d8\u548c\u5e26\u5bbd\u5957\u9910\u3002\u5efa\u8bae\u5b9a\u671f\u67e5\u770b Nginx \u9519\u8bef\u65e5\u5fd7\u3001\u7cfb\u7edf\u65e5\u5fd7\u548c\u8d44\u6e90\u4f7f\u7528\u8d8b\u52bf\u3002<\/p>\n<h2>\u516d\u3001\u603b\u7ed3<\/h2>\n<p>\u672c\u6b21\u57fa\u7ebf\u914d\u7f6e\u7684\u91cd\u70b9\u4e0d\u662f\u4e00\u6b21\u5230\u4f4d\uff0c\u800c\u662f\u901a\u8fc7\u5907\u4efd\u3001\u8bed\u6cd5\u68c0\u67e5\u3001\u7070\u5ea6\u9a8c\u8bc1\u548c\u56de\u6eda\u964d\u4f4e\u53d8\u66f4\u98ce\u9669\u3002\u5982\u9700\u7ed3\u5408\u4e1a\u52a1\u89c4\u6a21\u8bc4\u4f30\u914d\u7f6e\uff0c\u53ef\u901a\u8fc7 <a href=\"https:\/\/www.idcy.com\/about\/\" title=\"\u4ebf\u8fbe\u7f51\u7edc\uff08IDCY GLOBAL\uff09\" class=\"idcy-auto-link\">\u4ebf\u8fbe\u7f51\u7edc\uff08IDCY GLOBAL\uff09<\/a> \u7684\u6280\u672f\u652f\u6301\u6216\u4ea7\u54c1\u9875\u6838\u5bf9\u53ef\u9009\u5957\u9910\u3002\u6240\u6709\u7248\u672c\u548c\u53c2\u6570\u4ee5\u5b9e\u9645\u63a7\u5236\u53f0\u3001\u7cfb\u7edf\u65e5\u5fd7\u548c\u5b98\u65b9\u6587\u6863\u4e3a\u51c6\u3002<\/p>\n<h2>\u4e03\u3001\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>1. \u4fee\u6539 Nginx \u914d\u7f6e\u540e\u5fc5\u987b\u91cd\u542f\u670d\u52a1\u5668\u5417\uff1f<\/h3>\n<p>\u4e0d\u9700\u8981\u3002\u4f18\u5148\u6267\u884c <code>nginx -t<\/code> \u540e\u4f7f\u7528 <code>systemctl reload nginx<\/code> \u6216 <code>nginx -s reload<\/code>\uff0c\u53ef\u51cf\u5c11\u5bf9\u73b0\u6709\u8fde\u63a5\u7684\u5f71\u54cd\u3002<\/p>\n<h3>2. \u5982\u679c\u8bef\u6539 SSH \u914d\u7f6e\u5bfc\u81f4\u65e0\u6cd5\u767b\u5f55\u600e\u4e48\u529e\uff1f<\/h3>\n<p>\u4f7f\u7528\u670d\u52a1\u5668\u7ba1\u7406\u540e\u53f0\u3001\u5e26\u5916\u7ec8\u7aef\u6216\u6551\u63f4\u6a21\u5f0f\u767b\u5f55\uff0c\u6062\u590d <code>\/etc\/ssh<\/code> \u76f8\u5173\u5907\u4efd\u6587\u4ef6\uff0c\u4e0d\u8981\u5728\u672a\u5907\u4efd\u60c5\u51b5\u4e0b\u76f4\u63a5\u91cd\u542f\u670d\u52a1\u5668\u3002<\/p>\n<h3>3. \u5b89\u5168\u57fa\u7ebf\u4f1a\u5f71\u54cd\u7f51\u7ad9\u52a0\u8f7d\u901f\u5ea6\u5417\uff1f<\/h3>\n<p>\u5408\u7406\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\u3001\u9632\u706b\u5899\u548c fail2ban \u901a\u5e38\u4e0d\u4f1a\u663e\u8457\u5f71\u54cd\u6b63\u5e38\u4e1a\u52a1\u54cd\u5e94\uff0c\u4f46 gzip \u53c2\u6570\u8fc7\u731b\u6216\u8fde\u63a5\u53c2\u6570\u4e0d\u5f53\u53ef\u80fd\u589e\u52a0 CPU \u5f00\u9500\uff0c\u5e94\u901a\u8fc7\u76d1\u63a7\u9a8c\u8bc1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4ebf\u8fbe\u7f51\u7edc\u7f8e\u56fd\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\u5b8c\u6210\u4e0a\u7ebf\u524d\u8c03\u4f18\u4e0e\u5b89\u5168\u914d\u7f6e\uff0c\u8986\u76d6Nginx\u6027\u80fd\u53c2\u6570\u3001Linux SSH\u4e0e\u9632\u706b\u5899\u57fa\u7ebf\u3001\u9a8c\u8bc1\u547d\u4ee4\u548c\u56de\u6eda\u601d\u8def\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","rank_math_focus_keyword":"Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u6307\u5357, Nginx\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u6307\u5357, \u7f8e\u56fd\u72ec\u4eab\u670d\u52a1\u5668, \u4ebf\u8fbe\u7f51\u7edc\uff08IDCY GLOBAL\uff09"},"categories":[6,9,18],"tags":[],"class_list":["post-759","post","type-post","status-publish","format-standard","hentry","category-tech-docs","category-dedicated","category-dedicated-usa"],"_links":{"self":[{"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/posts\/759","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=759"}],"version-history":[{"count":0,"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/posts\/759\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=759"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}