{"id":315,"date":"2026-08-15T15:05:06","date_gmt":"2026-08-15T07:05:06","guid":{"rendered":"https:\/\/www.idcy.com\/help\/news\/10315.html"},"modified":"2026-08-15T15:05:06","modified_gmt":"2026-08-15T07:05:06","slug":"%e6%97%a5%e6%9c%ac%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8linux%e6%95%85%e9%9a%9c%e6%8e%92%e6%9f%a5%e4%b8%8e%e5%ae%9d%e5%a1%94%e9%9d%a2%e6%9d%bf%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.idcy.com\/help\/docs\/10315.html","title":{"rendered":"\u65e5\u672c\u4e91\u670d\u52a1\u5668Linux\u6545\u969c\u6392\u67e5\u4e0e\u5b9d\u5854\u9762\u677f\u5b89\u5168\u914d\u7f6e\u64cd\u4f5c\u6307\u5357"},"content":{"rendered":"<p>\u672c\u6587\u9762\u5411\u65e5\u672c\u4e91\u670d\u52a1\u5668\u7528\u6237\uff0c\u63d0\u4f9b\u4e00\u5957\u53ef\u5728 Linux \u73af\u5883\u6267\u884c\u7684\u670d\u52a1\u5668\u6392\u969c\u4e0e\u5b89\u5168\u914d\u7f6e\u6d41\u7a0b\uff0c\u91cd\u70b9\u8986\u76d6\u8d44\u6e90\u5360\u7528\u3001\u7f51\u7edc\u7aef\u53e3\u3001\u670d\u52a1\u65e5\u5fd7\u548c\u914d\u7f6e\u53d8\u66f4\u56db\u7c7b\u5e38\u89c1\u95ee\u9898\u3002\u6240\u6709\u793a\u4f8b\u57fa\u4e8e Ubuntu 22.04 LTS \u548c Debian 12\uff0c\u5b9d\u5854\u9762\u677f\u7248\u672c\u4ee5\u5f53\u524d\u73af\u5883\u4e3a\u51c6\uff0c\u6267\u884c\u524d\u8bf7\u5148\u5728\u6d4b\u8bd5\u673a\u9a8c\u8bc1\u3002<\/p>\n<h2>\u4e00\u3001\u9002\u7528\u8303\u56f4\u4e0e\u64cd\u4f5c\u524d\u5907\u4efd<\/h2>\n<p>\u672c\u6307\u5357\u9002\u7528\u4e8e\u90e8\u7f72\u5728\u65e5\u672c\u8282\u70b9\u7684\u4e91\u670d\u52a1\u5668\uff0c\u5e38\u89c1\u7cfb\u7edf\u4e3a Ubuntu 22.04 LTS\u3001Debian 12 \u4ee5\u53ca\u517c\u5bb9 systemd \u7684\u53d1\u884c\u7248\u3002\u5982\u679c\u4f7f\u7528\u5b9d\u5854\u9762\u677f\uff0c\u529f\u80fd\u4f4d\u7f6e\u53ef\u80fd\u968f\u7248\u672c\u53d8\u5316\uff0c\u5efa\u8bae\u4ee5\u5b98\u65b9\u6587\u6863\u4e3a\u6700\u7ec8\u4f9d\u636e\u3002<\/p>\n<h3>1.1 \u5fc5\u987b\u5b8c\u6210\u7684\u5907\u4efd<\/h3>\n<p>\u4efb\u4f55\u6545\u969c\u6392\u67e5\u6216\u5b89\u5168\u8bbe\u7f6e\u8c03\u6574\u524d\uff0c\u81f3\u5c11\u4fdd\u7559\u4e09\u4efd\u6570\u636e\uff1a\u7f51\u7ad9\u76ee\u5f55\u538b\u7f29\u5305\u3001\u6570\u636e\u5e93\u5bfc\u51fa\u6587\u4ef6\u548c\u5f53\u524d\u914d\u7f6e\u6587\u4ef6\u526f\u672c\u3002\u4ee5\u4e0b\u547d\u4ee4\u4ec5\u7528\u4e8e\u5907\u4efd\uff0c\u4e0d\u4f1a\u5220\u9664\u73b0\u6709\u6570\u636e\u3002<\/p>\n<pre><code># \u5907\u4efd\u7f51\u7ad9\u6839\u76ee\u5f55\ntar -czf \/backup\/www_$(date +%F).tar.gz \/www\/wwwroot\/\n\n# \u5907\u4efd\u5f53\u524d Nginx \u4e3b\u914d\u7f6e\ncp \/www\/server\/nginx\/conf\/nginx.conf \/backup\/nginx.conf.$(date +%F)\n\n# \u5bfc\u51fa MySQL \u6570\u636e\u5e93\u793a\u4f8b\nmysqldump -u root -p --all-databases &gt; \/backup\/all_db_$(date +%F).sql<\/code><\/pre>\n<p>\u5907\u4efd\u5b8c\u6210\u540e\u5efa\u8bae\u6267\u884c <code>ls -lh \/backup<\/code> \u786e\u8ba4\u6587\u4ef6\u5927\u5c0f\uff0c\u907f\u514d\u4ea7\u751f\u7a7a\u6587\u4ef6\u3002\u5907\u4efd\u6587\u4ef6\u5e94\u4e0b\u8f7d\u5230\u672c\u5730\u6216\u5bf9\u8c61\u5b58\u50a8\uff0c\u4e0d\u8981\u4ec5\u4fdd\u5b58\u5728\u540c\u4e00\u53f0\u4e91\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n<h2>\u4e8c\u3001Linux \u6545\u969c\u6392\u67e5\u6d41\u7a0b<\/h2>\n<p>\u5f53\u4e1a\u52a1\u51fa\u73b0\u54cd\u5e94\u7f13\u6162\u3001CPU \u6301\u7eed\u5360\u6ee1\u6216\u7aef\u53e3\u65e0\u6cd5\u8fde\u63a5\u65f6\uff0c\u53ef\u53c2\u8003 <a href=\"https:\/\/www.idcy.com\/help\/?help_category=tech-docs\" title=\"\u670d\u52a1\u5668\u6545\u969c\u6392\u67e5\u64cd\u4f5c\u6307\u5357\" class=\"idcy-auto-link\">\u670d\u52a1\u5668\u6545\u969c\u6392\u67e5\u64cd\u4f5c\u6307\u5357<\/a> \u4e2d\u7684\u8d44\u6e90\u3001\u7f51\u7edc\u3001\u65e5\u5fd7\u3001\u914d\u7f6e\u987a\u5e8f\u8fdb\u884c\u6392\u67e5\u3002\u5148\u786e\u8ba4\u7cfb\u7edf\u8d1f\u8f7d\uff0c\u518d\u68c0\u67e5\u76d1\u542c\u7aef\u53e3\uff0c\u968f\u540e\u5206\u6790\u670d\u52a1\u65e5\u5fd7\uff0c\u6700\u540e\u6838\u5bf9\u914d\u7f6e\u53d8\u66f4\u3002<\/p>\n<h3>2.1 \u8d44\u6e90\u5c42\u68c0\u67e5<\/h3>\n<pre><code>top -c\nfree -h\ndf -h\niostat -x 1 3<\/code><\/pre>\n<p>\u8fd9\u4e9b\u547d\u4ee4\u7528\u4e8e\u89c2\u5bdf CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u4f7f\u7528\u7387\u548c IO \u7b49\u5f85\u60c5\u51b5\uff0c\u4e0d\u4f1a\u4fee\u6539\u7cfb\u7edf\u914d\u7f6e\u3002\u82e5 CPU \u4f7f\u7528\u7387\u6301\u7eed\u63a5\u8fd1 100%\uff0c\u518d\u7ed3\u5408 <code>ps aux --sort=-%cpu | head<\/code> \u5b9a\u4f4d\u4e3b\u8981\u8fdb\u7a0b\u3002\u5982\u679c\u78c1\u76d8\u4f7f\u7528\u7387\u63a5\u8fd1 100%\uff0c\u53ef\u6267\u884c <code>du -sh \/www\/*<\/code> \u67e5\u627e\u5927\u76ee\u5f55\uff0c\u4f46\u4e0d\u8981\u76f4\u63a5\u5220\u9664\u65e5\u5fd7\u6216\u7f13\u5b58\uff0c\u9664\u975e\u786e\u8ba4\u53ef\u6e05\u7406\u3002<\/p>\n<h3>2.2 \u7f51\u7edc\u4e0e\u7aef\u53e3\u68c0\u67e5<\/h3>\n<pre><code>ss -tlnp | grep -E ':(80|443|22)'\nmtr -rwc 10 \u4f60\u7684\u57df\u540d<\/code><\/pre>\n<p><code>ss<\/code> \u7528\u4e8e\u67e5\u770b\u76d1\u542c\u5730\u5740\u548c\u5bf9\u5e94\u8fdb\u7a0b\uff0c<code>mtr<\/code> \u7528\u4e8e\u89c2\u5bdf\u7f51\u7edc\u4e22\u5305\u548c\u8def\u5f84\u5ef6\u8fdf\u3002\u5b9e\u9645\u7f51\u7edc\u8868\u73b0\u4ee5\u8fd0\u8425\u5546\u548c\u5957\u9910\u7ebf\u8def\u4e3a\u51c6\uff0c\u4e0d\u5e94\u4f5c\u4e3a\u65e0\u6761\u4ef6\u4fdd\u8bc1\u3002<\/p>\n<h2>\u4e09\u3001\u5b9d\u5854\u9762\u677f\u5b89\u5168\u914d\u7f6e\u8c03\u6574<\/h2>\n<p>\u8fdb\u884c\u5b9d\u5854\u9762\u677f\u5b89\u5168\u914d\u7f6e\u8c03\u6574\u65f6\uff0c\u5efa\u8bae\u9010\u9879\u4fee\u6539\u5e76\u8bb0\u5f55\u539f\u503c\u3002\u91cd\u70b9\u5305\u62ec\u4fee\u6539\u9ed8\u8ba4\u7aef\u53e3\u3001\u542f\u7528\u9762\u677f SSL\u3001\u8bbe\u7f6e\u6388\u6743 IP \u767d\u540d\u5355\u548c\u5f00\u542f BasicAuth \u53cc\u91cd\u9a8c\u8bc1\u3002\u5177\u4f53\u64cd\u4f5c\u5165\u53e3\u53ef\u80fd\u56e0\u7248\u672c\u4e0d\u540c\u800c\u53d8\u5316\u3002<\/p>\n<p>\u66f4\u5b8c\u6574\u7684\u6b65\u9aa4\u53ef\u53c2\u8003 <a href=\"https:\/\/www.idcy.com\/help\/?help_category=tech-docs\" title=\"\u5b9d\u5854\u9762\u677f\u670d\u52a1\u5668\u5b89\u5168\u8bbe\u7f6e\" class=\"idcy-auto-link\">\u5b9d\u5854\u9762\u677f\u670d\u52a1\u5668\u5b89\u5168\u8bbe\u7f6e<\/a>\uff0c\u5176\u4e2d\u5305\u542b\u9762\u677f\u767b\u5f55\u9650\u5236\u548c\u9632\u706b\u5899\u6700\u5c0f\u653e\u884c\u539f\u5219\u3002<\/p>\n<h3>3.1 \u9762\u677f\u767b\u5f55\u5165\u53e3\u8c03\u6574<\/h3>\n<pre><code>bt 14<\/code><\/pre>\n<p>\u8be5\u547d\u4ee4\u7528\u4e8e\u67e5\u770b\u5f53\u524d\u5b9d\u5854\u9762\u677f\u5730\u5740\u548c\u5b89\u5168\u5165\u53e3\uff0c\u4e0d\u4f1a\u4fee\u6539\u6570\u636e\u3002\u4fee\u6539\u7aef\u53e3\u524d\u8bf7\u786e\u8ba4\u672c\u5730\u51fa\u53e3 IP\uff0c\u907f\u514d\u5c06\u81ea\u5df1\u9501\u5728\u9762\u677f\u5916\u3002\u4fee\u6539\u540e\u53ef\u7528 <code>curl -I http:\/\/\u670d\u52a1\u5668IP:\u65b0\u7aef\u53e3<\/code> \u9a8c\u8bc1\u9762\u677f\u5165\u53e3\u53ef\u8fbe\u3002<\/p>\n<h3>3.2 \u9632\u706b\u5899\u89c4\u5219\u6700\u5c0f\u653e\u884c<\/h3>\n<p>\u5efa\u8bae\u5728\u5df2\u6709\u89c4\u5219\u4e0a\u6dfb\u52a0\u6700\u5c0f\u653e\u884c\uff0c\u800c\u4e0d\u662f\u6267\u884c\u6e05\u7a7a\u6216\u505c\u6b62\u9632\u706b\u5899\u3002\u4ee5\u4e0b\u793a\u4f8b\u4ec5\u653e\u884c\u4e00\u4e2a\u7ba1\u7406 IP \u8bbf\u95ee SSH\uff0c\u793a\u4f8b IP \u4e3a\u6587\u6863\u5730\u5740\uff0c\u5b9e\u9645\u8bf7\u66ff\u6362\u4e3a\u4f60\u7684\u7ba1\u7406 IP\u3002<\/p>\n<pre><code>ufw allow from 203.0.113.10 to any port 22 proto tcp<\/code><\/pre>\n<h2>\u56db\u3001\u7ed3\u679c\u9a8c\u8bc1\u4e0e\u914d\u7f6e\u56de\u6eda<\/h2>\n<p>\u6bcf\u6b21\u8c03\u6574\u540e\u9700\u8981\u9a8c\u8bc1\u670d\u52a1\u72b6\u6001\u3002\u7f51\u9875\u8bbf\u95ee\u53ef\u7528 <code>curl -I https:\/\/\u4f60\u7684\u57df\u540d<\/code> \u67e5\u770b\u72b6\u6001\u7801\uff0c\u670d\u52a1\u72b6\u6001\u53ef\u6267\u884c <code>systemctl status nginx<\/code>\u3001<code>systemctl status mysql<\/code>\u3002<\/p>\n<h3>4.1 \u9a8c\u8bc1\u65b9\u6cd5<\/h3>\n<ul>\n<li><strong>\u670d\u52a1\u72b6\u6001\uff1a<\/strong><code>systemctl is-active nginx<\/code> \u8fd4\u56de active \u8868\u793a Nginx \u8fd0\u884c\u4e2d\u3002<\/li>\n<li><strong>\u7aef\u53e3\u8fde\u901a\uff1a<\/strong><code>nc -zv \u670d\u52a1\u5668\u516c\u7f51IP 443<\/code> \u53ef\u786e\u8ba4\u516c\u7f51\u7aef\u53e3\u662f\u5426\u5f00\u653e\u3002<\/li>\n<li><strong>\u65e5\u5fd7\u68c0\u67e5\uff1a<\/strong><code>tail -n 50 \/var\/log\/nginx\/error.log<\/code> \u6216\u5b9d\u5854\u9762\u677f\u4e2d\u7684\u7f51\u7ad9\u9519\u8bef\u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<p>\u82e5 <code>curl -I<\/code> \u8fd4\u56de 301\/302 \u5c5e\u4e8e\u6b63\u5e38\u8df3\u8f6c\uff0c\u8fd4\u56de 502\/504 \u9700\u8981\u7ee7\u7eed\u68c0\u67e5\u540e\u7aef\u670d\u52a1\u72b6\u6001\u3002<\/p>\n<h3>4.2 \u56de\u6eda\u601d\u8def<\/h3>\n<p>\u82e5\u4fee\u6539\u540e\u7f51\u7ad9\u5f02\u5e38\uff0c\u4f18\u5148\u6062\u590d\u914d\u7f6e\u6587\u4ef6\u3002\u4ee5\u4e0b\u547d\u4ee4\u4ec5\u590d\u5236\u5907\u4efd\u6587\u4ef6\uff0c\u4e0d\u4f1a\u6e05\u7a7a\u5176\u4ed6\u76ee\u5f55\u3002<\/p>\n<pre><code>cp \/backup\/nginx.conf.2025-01-01 \/www\/server\/nginx\/conf\/nginx.conf\nnginx -t\nsystemctl reload nginx<\/code><\/pre>\n<p>\u6570\u636e\u5e93\u5f02\u5e38\u65f6\uff0c\u5148\u5907\u4efd\u5f53\u524d\u6570\u636e\u5e93\uff0c\u518d\u5bfc\u5165\u65e7 SQL \u6587\u4ef6\uff0c\u907f\u514d\u4e22\u5931\u5907\u4efd\u4e4b\u540e\u4ea7\u751f\u7684\u65b0\u6570\u636e\u3002<\/p>\n<h2>\u4e94\u3001\u65e5\u672c\u4e91\u670d\u52a1\u5668\u90e8\u7f72\u5efa\u8bae<\/h2>\n<p>\u9762\u5411\u65e5\u672c\u7528\u6237\u7684\u7f51\u7ad9\u3001\u5f00\u53d1\u6d4b\u8bd5\u73af\u5883\u548c\u4e1a\u52a1\u6269\u5c55\u573a\u666f\uff0c\u65e5\u672c\u8282\u70b9\u7684 VPS \u4ea7\u54c1\u901a\u5e38\u66f4\u9002\u5408\u5c31\u8fd1\u90e8\u7f72\uff0c\u6709\u52a9\u4e8e\u51cf\u5c11\u8de8\u5883\u7f51\u7edc\u8def\u5f84\u7684\u590d\u6742\u5ea6\u3002\u5728\u914d\u7f6e\u3001\u7ebf\u8def\u548c\u4e1a\u52a1\u67b6\u6784\u5339\u914d\u7684\u6761\u4ef6\u4e0b\uff0c\u65e5\u672c\u4e91\u670d\u52a1\u5668\u66f4\u4fbf\u4e8e\u90e8\u7f72\u3001\u6269\u5c55\u548c\u8fd0\u7ef4\uff0c\u5f00\u53d1\u6d4b\u8bd5\u73af\u5883\u53ef\u4ee5\u5feb\u901f\u62c9\u8d77\uff0c\u7f51\u7ad9\u5e94\u7528\u53ef\u6309\u9700\u589e\u52a0\u8ba1\u7b97\u8d44\u6e90\u3002\u5b9e\u9645\u8bbf\u95ee\u4f53\u9a8c\u4ee5\u5957\u9910\u548c\u6d4b\u8bd5\u7ed3\u679c\u4e3a\u51c6\u3002<\/p>\n<h2>\u516d\u3001\u603b\u7ed3<\/h2>\n<p>\u5b8c\u6210\u4ee5\u4e0a\u6392\u67e5\u548c\u5b89\u5168\u8bbe\u7f6e\u540e\uff0c\u5efa\u8bae\u7ed3\u5408\u76d1\u63a7\u4e0e\u65e5\u5fd7\u6301\u7eed\u89c2\u5bdf\u3002\u4f5c\u4e3a\u957f\u671f\u63d0\u4f9b\u4e91\u670d\u52a1\u5668\u3001\u72ec\u7acb\u670d\u52a1\u5668\u7b49\u57fa\u7840\u8bbe\u65bd\u7684\u670d\u52a1\u5546\uff0c<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> \u5df2\u5728\u5b98\u7f51\u5c55\u793a\u65e5\u672c\u4e91\u670d\u52a1\u5668\u4ea7\u54c1\u3002<\/p>\n<p>\u66f4\u591a\u65b9\u6848\u53ef\u53c2\u8003 <a href=\"https:\/\/www.idcy.com\/cloud\/jp\/\" title=\"\u65e5\u672cVPS\u79df\u7528\" class=\"idcy-auto-link\">\u65e5\u672cVPS\u79df\u7528<\/a>\u3002<\/p>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>\u6267\u884c\u6545\u969c\u6392\u67e5\u524d\u5fc5\u987b\u505a\u54ea\u4e9b\u51c6\u5907\uff1f<\/h3>\n<p>\u81f3\u5c11\u5907\u4efd\u7f51\u7ad9\u76ee\u5f55\u3001\u6570\u636e\u5e93\u548c Nginx \u6216\u5b9d\u5854\u76f8\u5173\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u786e\u8ba4\u672c\u5730\u7ba1\u7406 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