{"id":215,"date":"2025-06-29T20:00:08","date_gmt":"2025-06-29T12:00:08","guid":{"rendered":"https:\/\/www.rbfwq.com\/blog\/?p=215"},"modified":"2025-06-29T20:00:08","modified_gmt":"2025-06-29T12:00:08","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e8%a7%a3%e5%86%b3502-bad-gateway%e9%94%99%e8%af%af%e5%b9%b6%e4%bc%98%e5%8c%96%e6%9c%8d%e5%8a%a1%e5%99%a8%e8%ae%be%e7%bd%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.idc61.com\/blog\/215.html","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u89e3\u51b3502 Bad Gateway\u9519\u8bef\u5e76\u4f18\u5316\u670d\u52a1\u5668\u8bbe\u7f6e\uff1f"},"content":{"rendered":"<p><p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.idc61.com\/blog\/wp-content\/uploads\/2025\/06\/3XeXGR.jpg\" alt=\"\u5982\u4f55\u5feb\u901f\u89e3\u51b3502 Bad Gateway\u9519\u8bef\u5e76\u4f18\u5316\u670d\u52a1\u5668\u8bbe\u7f6e\uff1f\" title=\"\u5982\u4f55\u5feb\u901f\u89e3\u51b3502 Bad Gateway\u9519\u8bef\u5e76\u4f18\u5316\u670d\u52a1\u5668\u8bbe\u7f6e\uff1f\"><\/p>\n<p><h3>1. \u68c0\u67e5\u670d\u52a1\u5668\u72b6\u6001<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u9047\u5230502 Bad Gateway\u9519\u8bef\u65f6\uff0c\u6700\u91cd\u8981\u7684\u662f\u68c0\u67e5\u4f60\u7684\u670d\u52a1\u5668\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u68c0\u67e5\u670d\u52a1\u662f\u5426\u5728\u7ebf\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u670d\u52a1\u5668\u72b6\u6001\uff1a<\/p>\n<\/p>\n<p><pre><code>systemctl status nginx<\/p>\r\n<p>systemctl status php7.4-fpm<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u786e\u8ba4Nginx\u548cPHP-FPM\u7b49\u670d\u52a1\u90fd\u662f\u6d3b\u8dc3\u72b6\u6001\u3002\u5982\u679c\u670d\u52a1\u672a\u542f\u52a8\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u91cd\u65b0\u542f\u52a8\uff1a<\/p>\n<\/p>\n<p><pre><code>systemctl restart nginx<\/p>\r\n<p>systemctl restart php7.4-fpm<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\n<h3>2. \u68c0\u67e5\u670d\u52a1\u5668\u8d1f\u8f7d<\/h3>\n<\/p>\n<p><p>\u9ad8\u8d1f\u8f7d\u53ef\u80fd\u5bfc\u81f4502\u9519\u8bef\u3002\u4f60\u53ef\u4ee5\u7528top\u6216htop\u547d\u4ee4\u67e5\u770b\u5b9e\u65f6\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5206\u6790\u662f\u5426\u5b58\u5728CPU\u6216\u5185\u5b58\u7684\u74f6\u9888\u3002\u5982\u679c\u8d1f\u8f7d\u8fc7\u9ad8\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u5904\u7406\u63aa\u65bd\uff1a<\/p>\n<\/p>\n<p><pre><code>top<\/p>\r\n<p>htop<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u4ee3\u7801\u3001\u5347\u7ea7\u786c\u4ef6\u6216\u589e\u52a0\u670d\u52a1\u5668\u5b9e\u4f8b\u6765\u7f13\u89e3\u8d1f\u8f7d\u95ee\u9898\u3002<\/p>\n<\/p>\n<p>\n<h3>3. \u68c0\u67e5\u53cd\u5411\u4ee3\u7406\u8bbe\u7f6e<\/h3>\n<\/p>\n<p><p>\u5982\u679c\u4f60\u4f7f\u7528Nginx\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\uff0c\u786e\u4fdd\u914d\u7f6e\u6587\u4ef6\u6ca1\u6709\u95ee\u9898\u3002\u6253\u5f00Nginx\u914d\u7f6e\u6587\u4ef6\uff0c\u786e\u8ba4\u53cd\u5411\u4ee3\u7406\u8bbe\u7f6e\u6b63\u786e\uff1a<\/p>\n<\/p>\n<p><pre><code>nano \/etc\/nginx\/sites-available\/default<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u67e5\u770b\u4ee3\u7406\u76f8\u5173\u8bbe\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code>location \/ {<\/p>\r\n<p>    proxy_pass http:\/\/127.0.0.1:9000; # \u786e\u8ba4\u8fd9\u4e2a\u5730\u5740\u65e0\u8bef<\/p>\r\n<p>}<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\n<h3>4. \u67e5\u770b\u65e5\u5fd7\u6587\u4ef6<\/h3>\n<\/p>\n<p><p>\u5206\u6790\u9519\u8bef\u65e5\u5fd7\u662f\u5feb\u901f\u5b9a\u4f4d502\u9519\u8bef\u539f\u56e0\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u8bf7\u68c0\u67e5Nginx\u65e5\u5fd7\u548cPHP-FPM\u65e5\u5fd7\u3002\u8fd9\u4e9b\u65e5\u5fd7\u901a\u5e38\u4f4d\u4e8e\uff1a<\/p>\n<\/p>\n<p><pre><code>\/var\/log\/nginx\/error.log<\/p>\r\n<p>\/var\/log\/php7.4-fpm.log<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e9b\u65e5\u5fd7\u4e2d\uff0c\u53ef\u4ee5\u627e\u5230\u5177\u4f53\u7684\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u80fd\u5e2e\u52a9\u4f60\u4ece\u6839\u672c\u4e0a\u89e3\u51b3502 Bad Gateway\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n<p>\n<h3>5. \u8c03\u6574\u8d85\u65f6\u8bbe\u7f6e<\/h3>\n<\/p>\n<p><p>\u5f53\u540e\u7aef\u670d\u52a1\u5668\u5904\u7406\u8bf7\u6c42\u7684\u65f6\u95f4\u592a\u957f\u65f6\uff0c\u4e5f\u53ef\u80fd\u5f15\u8d77502\u9519\u8bef\u3002\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u589e\u52a0\u8d85\u65f6\u8bbe\u7f6e\u3002\u4fee\u6539Nginx\u914d\u7f6e\u4e2d\u7684\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n<\/p>\n<p><pre><code>proxy_read_timeout 90;<\/p>\r\n<p>proxy_connect_timeout 90;<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8be5\u914d\u7f6e\uff0c\u7ed9\u540e\u7aef\u670d\u52a1\u5668\u66f4\u591a\u7684\u54cd\u5e94\u65f6\u95f4\uff0c\u53ef\u80fd\u4f1a\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<\/p>\n<p>\n<h3>6. \u68c0\u67e5\u7f51\u7edc\u8bbe\u7f6e<\/h3>\n<\/p>\n<p><p>502\u9519\u8bef\u53ef\u80fd\u4e5f\u4e0e\u7f51\u7edc\u5ef6\u8fdf\u6709\u5173\u3002\u68c0\u67e5\u4f60\u7684\u9632\u706b\u5899\u914d\u7f6e\u548c\u7f51\u7edc\u8bbe\u7f6e\uff0c\u786e\u4fdd\u6ca1\u6709IP\u6216\u7aef\u53e3\u88ab\u963b\u6b62\u3002\u5982\u679c\u4f7f\u7528\u7684\u662f\u865a\u62df\u7f51\u7edc\uff0c\u786e\u4fdd\u865a\u62df\u7f51\u7edc\u914d\u7f6e\u6b63\u5e38\u3002<\/p>\n<\/p>\n<p><pre><code>iptables -L<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\n<h3>7. \u6d4b\u8bd5\u540e\u7aef\u670d\u52a1<\/h3>\n<\/p>\n<p><p>\u786e\u4fdd\u540e\u7aef\u670d\u52a1\uff08\u5982API\u6216\u6570\u636e\u5e93\uff09\u6b63\u5e38\u54cd\u5e94\u8bf7\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528curl\u547d\u4ee4\u8fdb\u884c\u6d4b\u8bd5\uff1a<\/p>\n<\/p>\n<p><pre><code>curl -I http:\/\/127.0.0.1:9000<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5982\u679c\u540e\u7aef\u670d\u52a1\u4e0d\u53ef\u7528\uff0c\u90a3\u4e48\u65e0\u8bba\u524d\u7aef\u5982\u4f55\u8c03\u4f18\uff0c502\u9519\u8bef\u4ecd\u7136\u4f1a\u51fa\u73b0\u3002<\/p>\n<\/p>\n<p>\n<h3>8. \u7ef4\u62a4\u670d\u52a1\u5668\u73af\u5883<\/h3>\n<\/p>\n<p><p>\u4fdd\u6301\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u66f4\u65b0\u662f\u9632\u6b62502\u9519\u8bef\u7684\u5173\u952e\u3002\u5b9a\u671f\u66f4\u65b0\u8f6f\u4ef6\u5305\uff0c\u5e94\u7528\u6700\u65b0\u7684\u5b89\u5168\u8865\u4e01\uff0c\u53ef\u4ee5\u9632\u6b62\u8bb8\u591a\u5e38\u89c1\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><pre><code>apt update<\/p>\r\n<p>apt upgrade<\/p>\r\n<p><\/code><\/pre>\n<\/p>\n<p>\n<h3>9. \u8003\u8651\u5185\u5bb9\u5206\u53d1\u7f51\u7edc<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u53ef\u80fd\u964d\u4f4e502\u9519\u8bef\u7684\u53d1\u751f\u9891\u7387\u3002CDN\u53ef\u4ee5\u7f13\u5b58\u9759\u6001\u5185\u5bb9\uff0c\u51cf\u8f7b\u6e90\u670d\u52a1\u5668\u7684\u538b\u529b\uff0c\u4f7f\u5f97\u8bf7\u6c42\u66f4\u5feb\u54cd\u5e94\u3002<\/p>\n<\/p>\n<p>\n<h3>10. \u91cd\u65b0\u8bc4\u4f30\u67b6\u6784\u8bbe\u8ba1<\/h3>\n<\/p>\n<p><p>\u5982\u679c502\u9519\u8bef\u9891\u7e41\u51fa\u73b0\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u91cd\u65b0\u8bbe\u8ba1\u67b6\u6784\u3002\u4f8b\u5982\uff0c\u8003\u8651\u4f7f\u7528\u8d1f\u8f7d\u5e73\u8861\u5668\uff0c\u5206\u6563\u6d41\u91cf\u548c\u8bf7\u6c42\u538b\u529b\u3002\u540c\u65f6\uff0c\u5b9a\u671f\u5bf9\u670d\u52a1\u5668\u548c\u4ee3\u7801\u8fdb\u884c\u5ba1\u67e5\u4e0e\u4f18\u5316\u3002<\/p>\n<\/p>\n<p>\n<h3>11. \u7528\u6237\u63d0\u95ee\u65f6\u95f4<\/h3>\n<\/p>\n<p><p><b>\u4ec0\u4e48\u662f502 Bad Gateway\u9519\u8bef\u7684\u5e38\u89c1\u539f\u56e0\uff1f<\/b>502 Bad Gateway\u9519\u8bef\u901a\u5e38\u6e90\u4e8e\u670d\u52a1\u5668\u8d1f\u8f7d\u8fc7\u9ad8\u3001\u540e\u7aef\u670d\u52a1\u5b95\u673a\u3001\u9519\u8bef\u7684\u7f51\u7edc\u914d\u7f6e\u3001\u6216\u8005Nginx\u4e0ePHP-FPM\u7b49\u670d\u52a1\u4e4b\u95f4\u7684\u8fde\u63a5\u95ee\u9898\u3002<\/p>\n<\/p>\n<p>\n<h3>12. \u7528\u6237\u63d0\u95ee\u65f6\u95f4<\/h3>\n<\/p>\n<p><p><b>\u5982\u4f55\u80fd\u591f\u5feb\u901f\u8bca\u65ad502\u9519\u8bef\uff1f<\/b>\u4f7f\u7528\u547d\u4ee4\u884c\u67e5\u770b\u670d\u52a1\u5668\u72b6\u6001\u3001\u68c0\u67e5Nginx\u53ca\u540e\u7aef\u65e5\u5fd7\u6587\u4ef6\u662f\u5feb\u901f\u8bca\u65ad502\u9519\u8bef\u7684\u6709\u6548\u65b9\u6cd5\u3002\u6b64\u5916\uff0c\u68c0\u67e5\u670d\u52a1\u7684\u8d1f\u8f7d\u60c5\u51b5\u548c\u7f51\u7edc\u8bbe\u7f6e\u4e5f\u662f\u5fc5\u8981\u7684\u3002<\/p>\n<\/p>\n<p>\n<h3>13. \u7528\u6237\u63d0\u95ee\u65f6\u95f4<\/h3>\n<\/p>\n<p><p><b>\u5982\u4f55\u4f18\u5316\u670d\u52a1\u5668\u4ee5\u51cf\u5c11502\u9519\u8bef\u7684\u51fa\u73b0\uff1f<\/b>\u4f18\u5316\u4ee3\u7801\u3001\u589e\u52a0\u670d\u52a1\u5668\u8d44\u6e90\u548c\u4f7f\u7528CDN\u53ef\u4ee5\u6709\u6548\u51cf\u5c11502\u9519\u8bef\u7684\u53d1\u751f\u3002\u5b9a\u671f\u67e5\u770b\u548c\u8c03\u6574Nginx\u914d\u7f6e\uff0c\u786e\u4fdd\u8d85\u65f6\u8bbe\u7f6e\u5408\u7406\uff0c\u4e5f\u80fd\u5e2e\u52a9\u907f\u514d\u6b64\u7c7b\u9519\u8bef\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u68c0\u67e5\u670d\u52a1\u5668\u72b6\u6001 \u9996\u5148\uff0c\u9047\u5230502 Bad Gateway\u9519\u8bef\u65f6\uff0c\u6700\u91cd\u8981\u7684\u662f\u68c0\u67e5\u4f60\u7684\u670d\u52a1\u5668\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u68c0\u67e5\u670d\u52a1\u662f\u5426\u5728\u7ebf\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u670d\u52a1\u5668\u72b6\u6001\uff1a systemctl status nginx systemct&#8230;<\/p>\n","protected":false},"author":1,"featured_media":216,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[62,20,63],"topic":[],"class_list":["post-215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jishu","tag-systemctl","tag-20","tag-63"],"_links":{"self":[{"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/posts\/215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/comments?post=215"}],"version-history":[{"count":1,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/posts\/215\/revisions"}],"predecessor-version":[{"id":218,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/posts\/215\/revisions\/218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/media\/216"}],"wp:attachment":[{"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/media?parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/categories?post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/tags?post=215"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.idc61.com\/blog\/wp-json\/wp\/v2\/topic?post=215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}