{"id":25582,"date":"2025-10-09T14:10:46","date_gmt":"2025-10-09T06:10:46","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-diagnose-linux-service-failures\/"},"modified":"2025-10-09T14:14:21","modified_gmt":"2025-10-09T06:14:21","slug":"how-to-diagnose-linux-service-failures","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-diagnose-linux-service-failures\/","title":{"rendered":"\u5982\u4f55\u8bca\u65adLinux\u670d\u52a1\u6545\u969c"},"content":{"rendered":"\n<p>Linux\u670d\u52a1\u5668\u662f\u73b0\u4ee3<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/jp\/\" target=\"_blank\">\u670d\u52a1\u5668\u79df\u7528<\/a>\u548c\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u7684\u6838\u5fc3\u652f\u67f1\uff0c\u5177\u5907\u65e0\u53ef\u6bd4\u62df\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002\u7136\u800c\uff0c\u5373\u4fbf\u662f\u6700\u7a33\u5b9a\u7684Linux\u73af\u5883\u4e5f\u53ef\u80fd\u51fa\u73b0\u6545\u969c\u3002\u9ad8\u6548\u8bca\u65ad\u8fd9\u4e9b\u6545\u969c\u5bf9\u4e8e\u7ef4\u6301\u7cfb\u7edf\u8fd0\u884c\u65f6\u95f4\u548c\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6307\u5357\u5c06\u5e26\u4f60\u9010\u6b65\u638c\u63e1\u8bc6\u522b\u548c\u89e3\u51b3Linux\u670d\u52a1\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n<h2><strong>Linux\u670d\u52a1\u6545\u969c\u7684\u5e38\u89c1\u539f\u56e0<\/strong><\/h2>\n<p>\u4e86\u89e3Linux\u670d\u52a1\u6545\u969c\u7684\u539f\u56e0\u662f\u6709\u6548\u6392\u67e5\u7684\u7b2c\u4e00\u6b65\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u5e38\u89c1\u7684\u6545\u969c\u8bf1\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u8d44\u6e90\u9650\u5236\uff1a<\/strong>\u7cfb\u7edfCPU\u3001\u5185\u5b58\u6216\u78c1\u76d8\u7a7a\u95f4\u8017\u5c3d\uff0c\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u5d29\u6e83\u6216\u65e0\u54cd\u5e94\u3002<\/li>\n<li><strong>\u914d\u7f6e\u6587\u4ef6\u9519\u8bef\uff1a<\/strong>\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u9519\u8bef\u4f1a\u963b\u6b62\u670d\u52a1\u6b63\u5e38\u542f\u52a8\u3002<\/li>\n<li><strong>\u7f51\u7edc\u95ee\u9898\uff1a<\/strong>DNS\u6545\u969c\u3001\u9632\u706b\u5899\u914d\u7f6e\u9519\u8bef\u6216\u8fde\u63a5\u95ee\u9898\u4f1a\u5e72\u6270\u670d\u52a1\u8fd0\u884c\u3002<\/li>\n<li><strong>\u8f6f\u4ef6\u517c\u5bb9\u6027\uff1a<\/strong>\u4f9d\u8d56\u9879\u4e4b\u95f4\u7684\u7248\u672c\u4e0d\u5339\u914d\u53ef\u80fd\u5bfc\u81f4\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/li>\n<li><strong>\u5b89\u5168\u6f0f\u6d1e\uff1a<\/strong>\u672a\u6388\u6743\u8bbf\u95ee\u6216\u6076\u610f\u8f6f\u4ef6\u4f1a\u7834\u574f\u670d\u52a1\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2><strong>Linux\u670d\u52a1\u8bca\u65ad\u5206\u6b65\u6307\u5357<\/strong><\/h2>\n<p>\u8981\u51c6\u786e\u5b9a\u4f4d\u6545\u969c\u6839\u6e90\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\n            <strong>\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\uff1a<\/strong><\/p>\n<p>\u9996\u5148\u68c0\u67e5\u7cfb\u7edf\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u3002\u4f7f\u7528<code>top<\/code>\u3001<code>htop<\/code>\u548c<code>free -m<\/code>\u7b49\u547d\u4ee4\u8bc6\u522bCPU\u3001\u5185\u5b58\u6216\u4ea4\u6362\u5206\u533a\u95ee\u9898\u3002\u5bf9\u4e8e\u78c1\u76d8\u7a7a\u95f4\uff0c\u8fd0\u884c<code>df -h<\/code>\u5e76\u786e\u4fdd\u5173\u952e\u5206\u533a\u672a\u5360\u6ee1\u3002<\/p>\n<\/li>\n<li>\n            <strong>\u68c0\u67e5\u670d\u52a1\u72b6\u6001\uff1a<\/strong><\/p>\n<p>\u8fd0\u884c<code>systemctl status [service]<\/code>\u67e5\u770b\u670d\u52a1\u662f\u5426\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u6216\u5b58\u5728\u9519\u8bef\u3002\u4f8b\u5982\uff0c<code>systemctl status sshd<\/code>\u4f1a\u663e\u793aSSH\u670d\u52a1\u7684\u5f53\u524d\u72b6\u6001\u3002<\/p>\n<\/li>\n<li>\n            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<strong>\u6d4b\u8bd5\u7f51\u7edc\u8fde\u63a5\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528<code>ping<\/code>\u3001<code>traceroute<\/code>\u6216<code>curl<\/code>\u7b49\u547d\u4ee4\u9a8c\u8bc1\u7f51\u7edc\u8fde\u63a5\uff0c\u8bc6\u522bDNS\u6216\u9632\u706b\u5899\u53ef\u80fd\u5b58\u5728\u7684\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n            <strong>\u9a8c\u8bc1\u914d\u7f6e\u6587\u4ef6\uff1a<\/strong><\/p>\n<p>\u5927\u591a\u6570Linux\u670d\u52a1\u4f9d\u8d56\u914d\u7f6e\u6587\u4ef6\u8fd0\u884c\u3002\u4f7f\u7528\u9a8c\u8bc1\u547d\u4ee4\uff08\u5982Nginx\u7684<code>nginx -t<\/code>\u6216Apache\u7684<code>apachectl 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-tuln<\/code>\u8bc6\u522b\u7aef\u53e3\u51b2\u7a81\u3002<\/li>\n<li><strong>\u6570\u636e\u5e93\u670d\u52a1\u5668\uff1a<\/strong>\u9488\u5bf9\u6570\u636e\u5e93\u95ee\u9898\uff0c\u9700\u9a8c\u8bc1\u670d\u52a1\u72b6\u6001\u548c\u65e5\u5fd7\u6587\u4ef6\u3002\u901a\u8fc7\u6570\u636e\u5e93\u5ba2\u6237\u7aef\u6d4b\u8bd5\u8fde\u63a5\uff0c\u786e\u4fdd\u901a\u4fe1\u6b63\u5e38\u3002<\/li>\n<li><strong>SSH\u8bbf\u95ee\uff1a<\/strong>\u5f53SSH\u670d\u52a1\u6545\u969c\u65f6\uff0c\u5148\u786e\u8ba4\u670d\u52a1\u662f\u5426\u5728\u8fd0\u884c\uff0c\u518d\u9a8c\u8bc1\u9632\u706b\u5899\u8bbe\u7f6e\u5e76\u786e\u4fdd\u6b63\u786e\u7aef\u53e3\u5df2\u5f00\u653e\u3002<\/li>\n<\/ul>\n<h2><strong>\u89e3\u51b3\u670d\u52a1\u6545\u969c\u7684\u65b9\u6848<\/strong><\/h2>\n<p>\u5b9a\u4f4d\u6545\u969c\u6839\u6e90\u540e\uff0c\u53ef\u5e94\u7528\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<ol>\n<li><strong>\u91cd\u542f\u670d\u52a1\uff1a<\/strong>\u4f7f\u7528<code>systemctl restart [service]<\/code>\u91cd\u542f\u53d7\u5f71\u54cd\u7684\u670d\u52a1\u3002<\/li>\n<li><strong>\u4fee\u590d\u914d\u7f6e\u6587\u4ef6\uff1a<\/strong>\u4fee\u6b63\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u9519\u8bef\uff0c\u5e76\u786e\u4fdd\u5b58\u6709\u5907\u4efd\u3002<\/li>\n<li><strong>\u5347\u7ea7\u8d44\u6e90\uff1a<\/strong>\u82e5\u6545\u969c\u7531\u8d44\u6e90\u9650\u5236\u5bfc\u81f4\uff0c\u9700\u5206\u914d\u66f4\u591aCPU\u3001\u5185\u5b58\u6216\u78c1\u76d8\u7a7a\u95f4\u3002<\/li>\n<li><strong>\u66f4\u65b0\u4f9d\u8d56\u9879\uff1a<\/strong>\u786e\u4fdd\u6240\u6709\u8f6f\u4ef6\u548c\u5e93\u5747\u517c\u5bb9\u4e14\u4e3a\u6700\u65b0\u7248\u672c\u3002<\/li>\n<li><strong>\u52a0\u5f3a\u5b89\u5168\u6027\uff1a<\/strong>\u626b\u63cf\u6f0f\u6d1e\u5e76\u5b9e\u65bd\u53ef\u9760\u7684\u9632\u706b\u5899\u89c4\u5219\u3002<\/li>\n<\/ol>\n<h2><strong>\u9884\u9632Linux\u670d\u52a1\u6545\u969c\u7684\u63aa\u65bd<\/strong><\/h2>\n<p>\u9884\u9632\u6c38\u8fdc\u80dc\u4e8e\u8865\u6551\u3002\u8bf7\u5b9e\u65bd\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u5907\u4efd\uff1a<\/strong>\u4e3a\u5173\u952e\u6570\u636e\u548c\u914d\u7f6e\u81ea\u52a8\u521b\u5efa\u5907\u4efd\u3002<\/li>\n<li><strong>\u7cfb\u7edf\u76d1\u63a7\uff1a<\/strong>\u4f7f\u7528\u76d1\u63a7\u5de5\u5177\u8ddf\u8e2a\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u3002<\/li>\n<li><strong>\u5b9a\u671f\u7ef4\u62a4\uff1a<\/strong>\u6267\u884c\u5e38\u89c4\u66f4\u65b0\u548c\u786c\u4ef6\u68c0\u67e5\uff0c\u907f\u514d\u7a81\u53d1\u6545\u969c\u3002<\/li>\n<li><strong>\u5e94\u6025\u54cd\u5e94\u8ba1\u5212\uff1a<\/strong>\u5236\u5b9a\u5168\u9762\u7684\u6545\u969c\u5904\u7406\u8ba1\u5212\uff0c\u786e\u4fdd\u5feb\u901f\u6062\u590d\u670d\u52a1\u3002<\/li>\n<\/ul>\n<h2><strong>\u603b\u7ed3<\/strong><\/h2>\n<p>\u8bca\u65ad\u548c\u89e3\u51b3Linux\u670d\u52a1\u6545\u969c\u9700\u8981\u6709\u6761\u7406\u7684\u65b9\u6cd5\u3002\u4ece\u5206\u6790\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u5230\u67e5\u770b\u65e5\u5fd7\u548c\u914d\u7f6e\u6587\u4ef6\uff0c\u6bcf\u4e00\u6b65\u5bf9\u4e8e\u5b9a\u4f4d\u6545\u969c\u6839\u6e90\u90fd\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5b9e\u65bd\u5b9a\u671f\u5907\u4efd\u548c\u76d1\u63a7\u7b49\u9884\u9632\u63aa\u65bd\uff0c\u53ef\u6700\u5927\u9650\u5ea6\u964d\u4f4e\u6545\u969c\u98ce\u9669\u3002\u65e0\u8bba\u4f60\u7ba1\u7406\u7684\u662f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u8fd8\u662f\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\uff0c\u638c\u63e1\u8fd9\u4e9b\u6545\u969c\u6392\u67e5\u6280\u5de7\u90fd\u80fd\u786e\u4fdd\u670d\u52a1\u5668\u5b9e\u73b0\u6700\u4f73\u6027\u80fd\u548c\u8fd0\u884c\u65f6\u95f4\u3002<\/p>\n<p>Linux\u670d\u52a1\u6545\u969c\u6392\u67e5\u662f\u6bcf\u4f4d\u7cfb\u7edf\u7ba1\u7406\u5458\u7684\u6838\u5fc3\u6280\u80fd\u3002\u4ece\u73b0\u5728\u5f00\u59cb\u5b66\u4e60\u8bca\u65ad\u95ee\u9898\uff0c\u8ba9\u4f60\u7684\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4fdd\u6301\u5e73\u7a33\u8fd0\u884c\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u670d\u52a1\u5668\u662f\u73b0\u4ee3\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u7684\u6838\u5fc3\u652f\u67f1\uff0c\u5177\u5907\u65e0\u53ef\u6bd4\u62df\u7684\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\u3002\u7136\u800c\uff0c\u5373\u4fbf\u662f\u6700\u7a33\u5b9a\u7684Linux\u73af\u5883\u4e5f\u53ef\u80fd\u51fa\u73b0\u6545\u969c\u3002\u9ad8\u6548\u8bca\u65ad\u8fd9\u4e9b\u6545\u969c\u5bf9\u4e8e\u7ef4\u6301\u7cfb\u7edf\u8fd0\u884c\u65f6\u95f4\u548c\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6307\u5357\u5c06\u5e26\u4f60\u9010\u6b65\u638c\u63e1\u8bc6\u522b\u548c\u89e3\u51b3Linux\u670d\u52a1\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u786e\u4fdd\u670d\u52a1\u5668\u5e73\u7a33\u8fd0\u884c\u3002 Linux\u670d\u52a1\u6545\u969c\u7684\u5e38\u89c1\u539f\u56e0 \u4e86\u89e3Linux\u670d\u52a1\u6545\u969c\u7684\u539f\u56e0\u662f\u6709\u6548\u6392\u67e5\u7684\u7b2c\u4e00\u6b65\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u5e38\u89c1\u7684\u6545\u969c\u8bf1\u56e0\uff1a \u8d44\u6e90\u9650\u5236\uff1a\u7cfb\u7edfCPU\u3001\u5185\u5b58\u6216\u78c1\u76d8\u7a7a\u95f4\u8017\u5c3d\uff0c\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u5d29\u6e83\u6216\u65e0\u54cd\u5e94\u3002 \u914d\u7f6e\u6587\u4ef6\u9519\u8bef\uff1a\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u9519\u8bef\u4f1a\u963b\u6b62\u670d\u52a1\u6b63\u5e38\u542f\u52a8\u3002 \u7f51\u7edc\u95ee\u9898\uff1aDNS\u6545\u969c\u3001\u9632\u706b\u5899\u914d\u7f6e\u9519\u8bef\u6216\u8fde\u63a5\u95ee\u9898\u4f1a\u5e72\u6270\u670d\u52a1\u8fd0\u884c\u3002 \u8f6f\u4ef6\u517c\u5bb9\u6027\uff1a\u4f9d\u8d56\u9879\u4e4b\u95f4\u7684\u7248\u672c\u4e0d\u5339\u914d\u53ef\u80fd\u5bfc\u81f4\u8fd0\u884c\u65f6\u9519\u8bef\u3002 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More&#8230;<\/a><\/p>\n","protected":false},"author":12,"featured_media":25579,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-25582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u8bca\u65adLinux\u670d\u52a1\u6545\u969c<\/title>\n<meta name=\"description\" content=\"&quot;\u9762\u5411\u7cfb\u7d71\u7ba1\u7406\u5458\uff0c\u901a\u8fc7\u5206\u6b65\u6307\u5357\u3001\u5b9e\u7528\u6848\u4f8b\u548c\u5fc5\u5907\u7684\u5de5\u5177\uff0c\u5b66\u4e60\u5982\u4f55\u9ad8\u6548\u8bca\u65adLinux\u670d\u52a1\u6545\u969c\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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