{"id":318,"date":"2026-08-16T09:03:33","date_gmt":"2026-08-16T01:03:33","guid":{"rendered":"https:\/\/www.idcy.com\/help\/news\/10318.html"},"modified":"2026-08-16T09:03:33","modified_gmt":"2026-08-16T01:03:33","slug":"linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae%e4%b8%8enginx%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%ae%9e%e6%93%8d%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.idcy.com\/help\/docs\/10318.html","title":{"rendered":"Linux\u670d\u52a1\u5668\u5b89\u5168\u914d\u7f6e\u4e0eNginx\u6027\u80fd\u4f18\u5316\u5b9e\u64cd\u8bb0\u5f55"},"content":{"rendered":"<p>\u5728\u8d8a\u5357\u4e91\u670d\u52a1\u5668\u7b49\u4e91\u4e0a\u73af\u5883\u90e8\u7f72Web\u5e94\u7528\u65f6\uff0c\u63d0\u524d\u53c2\u8003\u4e00\u4efd<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>\u53ef\u4ee5\u51cf\u5c11\u5e38\u89c1\u914d\u7f6e\u5931\u8bef\u3002\u672c\u6587\u4ee5Ubuntu 22.04\u548cNginx 1.18\u53ca\u4ee5\u4e0a\u7248\u672c\u4e3a\u53c2\u8003\u73af\u5883\uff0c\u5b9e\u9645\u64cd\u4f5c\u524d\u8bf7\u786e\u8ba4\u5f53\u524d\u7cfb\u7edf\u7248\u672c\u5e76\u67e5\u9605\u5b98\u65b9\u6587\u6863\u3002<\/p>\n<h2>\u4e00\u3001\u64cd\u4f5c\u524d\u5907\u4efd\u4e0e\u9002\u7528\u73af\u5883<\/h2>\n<p>\u6267\u884c\u4efb\u4f55\u914d\u7f6e\u53d8\u66f4\u524d\uff0c\u5efa\u8bae\u5907\u4efd\u5173\u952e\u6587\u4ef6\u3002\u4ee5\u4e0b\u793a\u4f8b\u547d\u4ee4\u7528\u4e8e\u590d\u5236\u914d\u7f6e\u76ee\u5f55\uff0c\u4e0d\u4f1a\u5220\u9664\u539f\u76ee\u5f55\uff1a<\/p>\n<pre><code>sudo cp -a \/etc\/nginx \/etc\/nginx.bak.$(date +%F)\nsudo cp -a \/etc\/ssh \/etc\/ssh.bak.$(date +%F)<\/code><\/pre>\n<p><code>-a<\/code> \u53c2\u6570\u4fdd\u7559\u6587\u4ef6\u6743\u9650\u548c\u65f6\u95f4\u6233\uff0c\u9002\u5408\u914d\u7f6e\u5907\u4efd\u3002\u5907\u4efd\u540e\u8bf7\u786e\u8ba4\u6587\u4ef6\u5df2\u751f\u6210\uff0c\u4f8b\u5982 <code>ls \/etc\/nginx.bak.*<\/code>\u3002<\/p>\n<p>\u5907\u4efd\u6587\u4ef6\u5efa\u8bae\u5b58\u653e\u5728\u72ec\u7acb\u76ee\u5f55\u6216\u5bf9\u8c61\u5b58\u50a8\u4e2d\uff0c\u907f\u514d\u56e0\u78c1\u76d8\u6545\u969c\u5bfc\u81f4\u539f\u914d\u7f6e\u4e0e\u5907\u4efd\u540c\u65f6\u4e22\u5931\u3002\u4e91\u4e0a\u73af\u5883\u8fd8\u53ef\u5728\u63a7\u5236\u53f0\u521b\u5efa\u5feb\u7167\u4f5c\u4e3a\u989d\u5916\u4fdd\u62a4\u3002<\/p>\n<h2>\u4e8c\u3001Linux\u5b89\u5168\u914d\u7f6e\u6b65\u9aa4<\/h2>\n<h3>1. \u66f4\u65b0\u7cfb\u7edf\u4e0e\u6e05\u7406\u5197\u4f59\u5305<\/h3>\n<p>\u66f4\u65b0\u7cfb\u7edf\u53ef\u4fee\u590d\u5df2\u77e5\u6f0f\u6d1e\uff0c\u4f46\u5347\u7ea7\u524d\u5efa\u8bae\u5148\u9605\u8bfb\u53d1\u884c\u7248\u66f4\u65b0\u8bf4\u660e\u3002<\/p>\n<pre><code>sudo apt update &amp;&amp; sudo apt upgrade -y\nsudo apt autoremove --purge -y<\/code><\/pre>\n<p><code>autoremove<\/code> \u53ea\u79fb\u9664\u7cfb\u7edf\u6807\u8bb0\u4e3a\u4e0d\u518d\u9700\u8981\u7684\u5305\uff0c\u4e0d\u4f1a\u4e3b\u52a8\u5220\u9664\u7528\u6237\u6570\u636e\u3002<\/p>\n<h3>2. \u5f3a\u5316SSH\u767b\u5f55<\/h3>\n<p>\u7f16\u8f91 <code>\/etc\/ssh\/sshd_config<\/code> \u524d\u8bf7\u5148\u5907\u4efd\u3002\u53ef\u8c03\u6574\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n<ul>\n<li><code>PermitRootLogin no<\/code>\uff1a\u7981\u6b62root\u76f4\u63a5\u767b\u5f55\uff1b<\/li>\n<li><code>PasswordAuthentication no<\/code>\uff1a\u542f\u7528\u5bc6\u94a5\u767b\u5f55\u540e\u5173\u95ed\u5bc6\u7801\u767b\u5f55\uff1b<\/li>\n<li><code>MaxAuthTries 3<\/code>\uff1a\u9650\u5236\u8ba4\u8bc1\u5c1d\u8bd5\u6b21\u6570\u3002<\/li>\n<\/ul>\n<p>\u82e5\u5c1a\u672a\u914d\u7f6e\u5bc6\u94a5\u5bf9\uff0c\u53ef\u4f7f\u7528 <code>ssh-keygen<\/code> \u751f\u6210\u5bc6\u94a5\uff0c\u5e76\u5c06\u516c\u94a5\u5199\u5165 <code>~\/.ssh\/authorized_keys<\/code> \u4e14\u6743\u9650\u8bbe\u4e3a <code>600<\/code>\u3002\u9a8c\u8bc1\u5bc6\u94a5\u767b\u5f55\u6b63\u5e38\u540e\uff0c\u518d\u5173\u95ed\u5bc6\u7801\u767b\u5f55\u66f4\u7a33\u59a5\u3002<\/p>\n<p>\u4fee\u6539\u540e\u6267\u884c <code>sudo sshd -t<\/code> \u9a8c\u8bc1\u8bed\u6cd5\uff0c\u518d\u6267\u884c <code>sudo systemctl restart sshd<\/code> \u91cd\u542f\u670d\u52a1\u3002\u82e5\u65e0\u6cd5\u8fde\u63a5\uff0c\u53ef\u901a\u8fc7VNC\u6062\u590d\u5907\u4efd\u3002<\/p>\n<h3>3. \u914d\u7f6eUFW\u9632\u706b\u5899<\/h3>\n<p>\u4ec5\u653e\u884c\u5fc5\u8981\u7aef\u53e3\uff0c\u5e76\u5728\u542f\u7528\u524d\u786e\u8ba422\u7aef\u53e3\u5df2\u653e\u884c\uff1a<\/p>\n<pre><code>sudo ufw allow 22\/tcp\nsudo ufw allow 80\/tcp\nsudo ufw allow 443\/tcp\nsudo ufw enable<\/code><\/pre>\n<p>\u4e0d\u8981\u76f4\u63a5\u7981\u7528\u9632\u706b\u5899\u6216\u6e05\u7a7a\u89c4\u5219\uff0c\u4ee5\u514d\u66b4\u9732\u4e0d\u5fc5\u8981\u7684\u670d\u52a1\u9762\u3002<\/p>\n<h2>\u4e09\u3001Nginx\u6027\u80fd\u4f18\u5316\u4e0e\u9a8c\u8bc1<\/h2>\n<p>\u5b8c\u6210\u5b89\u5168\u57fa\u7ebf\u540e\uff0c\u53ef\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>\u8c03\u6574Nginx\u6838\u5fc3\u53c2\u6570\u3002\u4fee\u6539\u524d\u5148\u5907\u4efdNginx\u914d\u7f6e\u76ee\u5f55\uff1a<\/p>\n<pre><code>sudo cp -a \/etc\/nginx \/etc\/nginx.bak.$(date +%F)<\/code><\/pre>\n<p>\u5e38\u89c1\u4f18\u5316\u9879\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>worker_processes auto;<\/code>\uff1a\u81ea\u52a8\u5339\u914dCPU\u6838\u5fc3\u6570\uff1b<\/li>\n<li><code>worker_connections 1024;<\/code>\uff1a\u6839\u636e\u5185\u5b58\u548c\u6587\u4ef6\u63cf\u8ff0\u7b26\u8c03\u6574\uff1b<\/li>\n<li>\u542f\u7528gzip\u538b\u7f29\uff1a<code>gzip on; gzip_types text\/plain text\/css application\/json;<\/code><\/li>\n<li>\u9759\u6001\u8d44\u6e90\u7f13\u5b58\uff1a<code>expires 7d;<\/code>\uff0c\u53ef\u6309\u9700\u8c03\u6574\u3002<\/li>\n<\/ul>\n<p>\u8fd8\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u60c5\u51b5\u8c03\u6574 <code>keepalive_timeout<\/code> \u548c <code>server_tokens off<\/code>\uff0c\u524d\u8005\u5f71\u54cd\u957f\u8fde\u63a5\u4fdd\u6301\u65f6\u95f4\uff0c\u540e\u8005\u53ef\u9690\u85cf\u7248\u672c\u4fe1\u606f\u3002\u8c03\u6574 <code>worker_rlimit_nofile<\/code> \u524d\uff0c\u9700\u786e\u8ba4 <code>ulimit -n<\/code> \u7684\u7cfb\u7edf\u4e0a\u9650\u3002<\/p>\n<p>\u6bcf\u6b21\u4fee\u6539\u540e\u6267\u884c <code>sudo nginx -t<\/code> \u68c0\u67e5\u8bed\u6cd5\uff0c\u786e\u8ba4\u8f93\u51fa <code>syntax is ok<\/code> \u540e\u518d\u6267\u884c <code>sudo systemctl reload nginx<\/code> \u5e73\u6ed1\u91cd\u8f7d\u3002<\/p>\n<h2>\u56db\u3001\u9a8c\u8bc1\u4e0e\u56de\u6eda\u601d\u8def<\/h2>\n<p>\u9a8c\u8bc1\u53ef\u901a\u8fc7 <code>systemctl status nginx<\/code> \u67e5\u770b\u8fd0\u884c\u72b6\u6001\uff0c\u4f7f\u7528 <code>curl -I http:\/\/127.0.0.1<\/code> \u67e5\u770b\u54cd\u5e94\u5934\uff0c\u4ee5\u53ca\u901a\u8fc7 <code>ss -tlnp<\/code> \u786e\u8ba4\u76d1\u542c\u7aef\u53e3\u3002\u5982\u679c\u4f18\u5316\u540e\u51fa\u73b0\u5f02\u5e38\uff0c\u53ef\u5148\u5b9a\u4f4d\u914d\u7f6e\u9519\u8bef\uff0c\u6216\u76f4\u63a5\u6062\u590d\u5907\u4efd\uff1a<\/p>\n<pre><code>sudo cp -a \/etc\/nginx.bak.2024-01-01 \/etc\/nginx\nsudo systemctl reload nginx<\/code><\/pre>\n<p>\u6ce8\u610f\u5907\u4efd\u76ee\u5f55\u540d\u4e2d\u7684\u65e5\u671f\u9700\u66ff\u6362\u4e3a\u5b9e\u9645\u5907\u4efd\u6587\u4ef6\u540d\u3002\u4e0d\u8981\u4f7f\u7528\u5220\u9664\u539f\u76ee\u5f55\u518d\u6062\u590d\u7684\u64cd\u4f5c\uff0c\u4ee5\u514d\u4e2d\u95f4\u72b6\u6001\u4e22\u5931\u914d\u7f6e\u3002<\/p>\n<p>\u82e5\u670d\u52a1\u7531 systemd \u7ba1\u7406\uff0c\u53ef\u7528 <code>journalctl -u nginx -n 50<\/code> \u67e5\u770b\u8fd1\u671f\u65e5\u5fd7\uff0c\u4fbf\u4e8e\u5feb\u901f\u5b9a\u4f4d\u542f\u52a8\u5931\u8d25\u539f\u56e0\u3002\u56de\u6eda\u524d\u5efa\u8bae\u786e\u8ba4\u5f53\u524d\u914d\u7f6e\u4e0e\u5907\u4efd\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<h2>\u4e94\u3001\u4e91\u4e0a\u90e8\u7f72\u4e0e\u8fd0\u7ef4\u5efa\u8bae<\/h2>\n<p>\u5982\u679c\u4e1a\u52a1\u9762\u5411\u8d8a\u5357\u672c\u5730\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u670d\u52a1\u5668\u65b9\u6848\u53ef\u964d\u4f4e\u90e8\u7f72\u590d\u6742\u5ea6\uff0c\u540c\u65f6\u4fbf\u4e8e\u540e\u7eed\u6a2a\u5411\u6269\u5c55\u4e0e\u8fd0\u7ef4\u3002<a href=\"https:\/\/www.idcy.com\/cloud\/vn\/\" title=\"\u8d8a\u5357\u4e91\u670d\u52a1\u5668\u8d2d\u4e70\" class=\"idcy-auto-link\">\u8d8a\u5357\u4e91\u670d\u52a1\u5668\u8d2d\u4e70<\/a>\u53ef\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9009\u62e9\u5408\u9002\u89c4\u683c\u3002\u5efa\u8bae\u5728\u6d4b\u8bd5\u73af\u5883\u4e2d\u5148\u9a8c\u8bc1\u914d\u7f6e\uff0c\u518d\u5e94\u7528\u5230\u751f\u4ea7\u8282\u70b9\u3002<\/p>\n<p>\u5efa\u8bae\u5c06\u914d\u7f6e\u6587\u4ef6\u7eb3\u5165\u7248\u672c\u63a7\u5236\uff0c\u5e76\u5b9a\u671f\u5bfc\u51fa\u955c\u50cf\u6216\u5feb\u7167\u3002\u5173\u4e8e\u8de8\u56fd\u4e1a\u52a1\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>\u4e86\u89e3\u8282\u70b9\u4e0e\u7f51\u7edc\u60c5\u51b5\u3002<\/p>\n<p>\u90e8\u7f72\u5230\u751f\u4ea7\u73af\u5883\u524d\uff0c\u53ef\u4f7f\u7528\u9884\u53d1\u5e03\u8282\u70b9\u6a21\u62df\u771f\u5b9e\u6d41\u91cf\uff1b\u53d8\u66f4\u540e\u5efa\u8bae\u4fdd\u7559\u65e7\u914d\u7f6e\u81f3\u5c11\u4e00\u4e2a\u53d1\u5e03\u5468\u671f\uff0c\u4ee5\u4fbf\u7d27\u6025\u56de\u9000\u3002<\/p>\n<h2>\u516d\u3001\u603b\u7ed3<\/h2>\n<p>Linux\u5b89\u5168\u52a0\u56fa\u4e0eNginx\u4f18\u5316\u9700\u8981\u6309\u201c\u5907\u4efd\u2014\u4fee\u6539\u2014\u9a8c\u8bc1\u2014\u53ef\u56de\u6eda\u201d\u7684\u987a\u5e8f\u6267\u884c\u3002\u672c\u6587\u63d0\u4f9b\u7684\u547d\u4ee4\u4ee5Ubuntu\u548c\u4e3b\u6d41Nginx\u7248\u672c\u4e3a\u4f8b\uff0c\u4e0d\u540c\u73af\u5883\u53ef\u80fd\u6709\u5dee\u5f02\uff0c\u8bf7\u4ee5\u5b98\u65b9\u6587\u6863\u548c\u5f53\u524d\u7cfb\u7edf\u4e3a\u51c6\u3002<\/p>\n<h2>\u4e03\u3001\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>Q1\uff1a\u4fee\u6539SSH\u914d\u7f6e\u540e\u65e0\u6cd5\u8fdc\u7a0b\u767b\u5f55\u600e\u4e48\u529e\uff1f<\/h3>\n<p>\u82e5\u4fee\u6539 <code>\/etc\/ssh\/sshd_config<\/code> \u540e\u65e0\u6cd5\u8fde\u63a5\uff0c\u53ef\u901a\u8fc7\u63a7\u5236\u53f0VNC\u6216\u6551\u63f4\u6a21\u5f0f\u6062\u590d\u5907\u4efd\uff0c\u7136\u540e\u6267\u884c <code>sudo systemctl restart sshd<\/code>\u3002<\/p>\n<h3>Q2\uff1aNginx\u4f18\u5316\u540e\u7f51\u7ad9\u6253\u4e0d\u5f00\u5982\u4f55\u56de\u6eda\uff1f<\/h3>\n<p>\u5148\u8fd0\u884c <code>sudo nginx -t<\/code> \u68c0\u67e5\u914d\u7f6e\u8bed\u6cd5\uff1b\u82e5\u8bed\u6cd5\u6b63\u786e\u4f46\u670d\u52a1\u5f02\u5e38\uff0c\u53ef\u6062\u590d\u5907\u4efd\u76ee\u5f55\u5e76 <code>sudo systemctl reload nginx<\/code>\u3002<\/p>\n<h3>Q3\uff1a\u662f\u5426\u6240\u6709\u4e91\u670d\u52a1\u5668\u90fd\u80fd\u76f4\u63a5\u5957\u7528\u8fd9\u4e9b\u914d\u7f6e\uff1f<\/h3>\n<p>\u4e0d\u540c\u7cfb\u7edf\u7248\u672c\u548cNginx\u5927\u7248\u672c\u53ef\u80fd\u6709\u5dee\u5f02\uff0c\u8bf7\u53c2\u8003\u5b98\u65b9\u6587\u6863\uff0c\u5e76\u5728\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\u540e\u518d\u5e94\u7528\u5230\u751f\u4ea7\u73af\u5883\u3002<\/p>\n<h3>Q4\uff1a\u5982\u4f55\u5224\u65adNginx\u4f18\u5316\u662f\u5426\u751f\u6548\uff1f<\/h3>\n<p>\u53ef\u4ee5\u901a\u8fc7 <code>ab -n 1000 -c 100 http:\/\/127.0.0.1\/<\/code> \u8fdb\u884c\u7b80\u5355\u538b\u529b\u6d4b\u8bd5\uff0c\u6216\u89c2\u5bdf <code>\/var\/log\/nginx\/access.log<\/code> \u7684\u8bf7\u6c42\u8017\u65f6\u53d8\u5316\uff0c\u4f46\u6d4b\u8bd5\u73af\u5883\u5e94\u4e0e\u751f\u4ea7\u73af\u5883\u9694\u79bb\u3002<\/p>\n<h3>Q5\uff1a\u5982\u4f55\u5b89\u5168\u5730\u6d4b\u8bd5\u65b0\u7684Nginx\u914d\u7f6e\u800c\u4e0d\u5f71\u54cd\u7ebf\u4e0a\u670d\u52a1\uff1f<\/h3>\n<p>\u53ef\u5148\u8fd0\u884c <code>sudo nginx -t<\/code> \u68c0\u67e5\u8bed\u6cd5\uff0c\u5e76\u5728\u4e34\u65f6\u7aef\u53e3\u6216\u72ec\u7acb server \u5757\u4e2d\u9a8c\u8bc1\uff0c\u786e\u8ba4\u65e0\u8bef\u540e\u518d\u5207\u6362\u6b63\u5f0f\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u8d8a\u5357\u4e91\u670d\u52a1\u5668\u90e8\u7f72\u573a\u666f\u4e3a\u4f8b\uff0c\u63d0\u4f9b\u4e00\u4efd\u53ef\u6267\u884c\u7684Linux\u5b89\u5168\u4e0eNginx\u4f18\u5316\u64cd\u4f5c\u624b\u518c\uff0c\u6db5\u76d6\u5907\u4efd\u3001\u9632\u706b\u5899\u3001SSH\u52a0\u56fa\u3001Nginx\u53c2\u6570\u8c03\u6574\u53ca\u56de\u6eda\u7b56\u7565\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, \u8d8a\u5357\u4e91\u670d\u52a1\u5668\u8d2d\u4e70, \u4ebf\u8fbe\u7f51\u7edc\uff08IDCY GLOBAL\uff09"},"categories":[6],"tags":[],"class_list":["post-318","post","type-post","status-publish","format-standard","hentry","category-tech-docs"],"_links":{"self":[{"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/posts\/318","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=318"}],"version-history":[{"count":0,"href":"https:\/\/www.idcy.com\/index.php?rest_route=\/wp\/v2\/posts\/318\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.idcy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}