{"id":27875,"date":"2025-12-01T12:20:52","date_gmt":"2025-12-01T04:20:52","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/hong-kong-server-frequent-downtime-diagnosis\/"},"modified":"2025-12-01T12:31:54","modified_gmt":"2025-12-01T04:31:54","slug":"hong-kong-server-frequent-downtime-diagnosis","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/hong-kong-server-frequent-downtime-diagnosis\/","title":{"rendered":"\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u8a3a\u65b7"},"content":{"rendered":"\n<p>\u5c0d\u65bc\u7ba1\u7406\u8de8\u5883\u696d\u52d9\u7684\u6280\u8853\u5718\u968a\u800c\u8a00\uff0c\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u7d55\u975e\u7c21\u55ae\u6545\u969c\u2014\u2014\u5b83\u6703\u5c0e\u81f4\u96fb\u5546\u7d50\u5e33\u6d41\u7a0b\u4e2d\u65b7\u3001\u5168\u7403\u61c9\u7528\u7684API\u9023\u7dda\u4e2d\u65b7\uff0c\u9084\u6703\u640d\u5bb3\u4e2d\u570b\u5927\u9678\u53ca\u6771\u5357\u4e9e\u4f7f\u7528\u8005\u7684\u4fe1\u4efb\u3002\u9664\u76f4\u63a5\u71df\u6536\u640d\u5931\u5916\uff0c\u975e\u8a08\u5283\u505c\u6a5f\u9084\u53ef\u80fd\u5c0e\u81f4<a href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/how-about-seo-optimization-for-hong-kong-server-hosting\/\" target=\"_blank\">\u641c\u5c0b\u5f15\u64ce\u6392\u540d<\/a>\u4e0b\u6ed1\uff08Google\u6703\u61f2\u7f70\u53ef\u7528\u6027\u4e0d\u7a69\u5b9a\u7684\u7db2\u7ad9\uff09\uff0c\u8feb\u4f7f\u5de5\u7a0b\u5e2b\u9677\u5165\u88ab\u52d5\u6551\u706b\u6a21\u5f0f\u3002\u89e3\u6c7a\u4e4b\u9053\u4e26\u975e\u76f2\u76ee\u91cd\u555f\u6216\u66f4\u63db\u786c\u9ad4\uff0c\u800c\u662f\u91dd\u5c0d\u9999\u6e2f\u7368\u7279\u7684\u7db2\u8def\u751f\u614b\uff0c\u5c0d\u6839\u672c\u539f\u56e0\u9032\u884c\u7cfb\u7d71\u5316\u8a3a\u65b7\u3002\u672c\u6587\u5c07\u8a73\u7d30\u62c6\u89e3\u5982\u4f55\u5b9a\u4f4d\u554f\u984c\uff08\u5f9e\u786c\u9ad4\u8001\u5316\u5230\u8de8\u5883\u93c8\u8def\u6ce2\u52d5\uff09\u4e26\u5fb9\u5e95\u89e3\u6c7a\uff0c\u6838\u5fc3\u570d\u7e5e<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/\" target=\"_blank\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u983b\u7e41\u7576\u6a5f\u8a3a\u65b7\u5c55\u958b\u3002<\/p>\n<h2><strong>\u4e00\u3001\u6839\u6e90\u89e3\u6790\uff1a\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u7684\u6838\u5fc3\u8a98\u56e0<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u70ba\u5340\u57df\u79d1\u6280\u6a1e\u7d10\uff0c\u5176\u4f3a\u670d\u5668\u90e8\u7f72\u9762\u81e8\u7368\u7279\u7684\u6545\u969c\u98a8\u96aa\u3002\u8207\u55ae\u4e00\u5e02\u5834\u5340\u57df\u7684\u4f3a\u670d\u5668\u4e0d\u540c\uff0c\u9999\u6e2f\u4f3a\u670d\u5668\u9700\u627f\u53d7\u8de8\u5883\u6d41\u91cf\u58d3\u529b\u3001\u5bc6\u96c6\u7684\u8cc7\u6599\u4e2d\u5fc3\u96c6\u7fa4\u8ca0\u8f09\u53ca\u5b63\u7bc0\u6027\u6c23\u5019\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u6280\u8853\u5718\u968a\u5e38\u5ffd\u7565\u7684\u4e3b\u8981\u75c7\u7d50\uff1a<\/p>\n<h3>\u786c\u9ad4\u6545\u969c\uff1a\u96b1\u5f62\u640d\u8017\u6e90<\/h3>\n<ul>\n<li>\u5132\u5b58\u554f\u984c\uff1a\u6a5f\u68b0\u786c\u789f\uff08HDD\uff09\u4f7f\u75283-5\u5e74\u5f8c\u6613\u51fa\u73fe\u58de\u8ecc\uff1b\u56fa\u614b\u786c\u789f\uff08SSD\uff09\u6703\u9054\u5230\u78e8\u640d\u5747\u8861\u4e0a\u9650\uff08\u53ef\u900f\u904eSMART\u5c6c\u6027\u5982177\u6216233\u9032\u884c\u6aa2\u6e2c\uff09\u3002<\/li>\n<li>\u96fb\u6e90\/\u6563\u71b1\u7bc0\u6d41\uff1a\u9999\u6e2f\u4e9e\u71b1\u5e36\u6c23\u5019\u6703\u7d66\u8cc7\u6599\u4e2d\u5fc3\u51b7\u537b\u7cfb\u7d71\u5e36\u4f86\u58d3\u529b\u2014\u2014\u6545\u969c\u98a8\u6247\u6216\u984d\u5b9a\u529f\u7387\u4e0d\u8db3\u7684\u96fb\u6e90\uff08PSU\uff09\u5728\u590f\u5b63\u9ad8\u5cf0\u6642\u6bb5\u6613\u5f15\u767c\u610f\u5916\u95dc\u6a5f\u3002<\/li>\n<li>\u5143\u4ef6\u4e0d\u76f8\u5bb9\uff1a\u70ba\u7bc0\u7701\u6210\u672c\u7684\u81ea\u884c\u7d44\u88dd\u65b9\u6848\uff08\u8f03\u70ba\u5e38\u898b\uff09\u5e38\u51fa\u73fe\u4e3b\u6a5f\u677f\u8207\u8a18\u61b6\u9ad4\u4e0d\u76f8\u5bb9\u554f\u984c\uff0c\u5c0e\u81f4\u9593\u6b47\u6027\u958b\u6a5f\u81ea\u6aa2\uff08POST\uff09\u5931\u6557\u3002<\/li>\n<\/ul>\n<h3>\u7db2\u8def\u6ce2\u52d5\uff1a\u8de8\u5883\u93c8\u8def\u98a8\u96aa<\/h3>\n<ul>\n<li>\u570b\u969b\u983b\u5bec\u98fd\u548c\uff1a\u9ad8\u5cf0\u6642\u6bb5\uff08\u9999\u6e2f\u6642\u9593\u4e0a\u53489\u9ede-\u4e0b\u53485\u9ede\uff09\uff0c\u9999\u6e2f\u9762\u5411\u4e2d\u570b\u5927\u9678\u7684\u93c8\u8def\u5229\u7528\u7387\u905480%-90%\uff0c\u5c0e\u81f4\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u61c9\u7528\u51fa\u73fe\u5c01\u5305\u907a\u5931\u3002<\/li>\n<li>\u8def\u7531\u52ab\u6301\u6216\u91cd\u65b0\u5c0e\u5411\uff1a\u9678\u6e2f\u9aa8\u5e79\u7db2\u670d\u52d9\u5546\u6709\u6642\u6703\u672a\u7d93\u901a\u77e5\u8abf\u6574\u8def\u7531\uff0c\u4e2d\u65b7\u9577\u9023\u7dda\uff08\u53ef\u900f\u904e<code>traceroute<\/code>\u547d\u4ee4\u6aa2\u6e2c\u8df3\u6578\u5ef6\u9072\u7a81\u8b8a\uff09\u3002<\/li>\n<li>\u672c\u5730\u4ea4\u63db\u5668\u6545\u969c\uff1a\u5c0f\u578b\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u5e38\u5fa9\u7528\u8001\u820a\u7684\u4e8c\u5c64\u4ea4\u63db\u5668\uff0c\u6613\u5f15\u767c\u5ee3\u64ad\u98a8\u66b4\uff0c\u5c0e\u81f4\u6574\u500b\u6a5f\u67b6\u4f3a\u670d\u5668\u7671\u7613\u3002<\/li>\n<\/ul>\n<h3>\u8edf\u9ad4\u8207\u8ca0\u8f09\u554f\u984c\uff1a\u96b1\u5f62\u8ca0\u64d4<\/h3>\n<ul>\n<li>\u8cc7\u6e90\u7af6\u722d\uff1a\u672a\u6700\u4f73\u5316\u7684\u8cc7\u6599\u5eab\uff08\u5982\u7121\u7d22\u5f15\u7684MySQL\u67e5\u8a62\uff09\u6216Node.js\u61c9\u7528\u4e2d\u7684\u8a18\u61b6\u9ad4\u6d29\u6f0f\uff0c\u53ef\u80fd\u5728\u5e7e\u5206\u9418\u5167\u5c0e\u81f4CPU\/\u8a18\u61b6\u9ad4\u4f7f\u7528\u7387\u98c6\u5347\u81f3100%\u3002<\/li>\n<li>\u672a\u4fee\u88dc\u6f0f\u6d1e\uff1a\u904e\u6642\u7684Linux\u6838\u5fc3\uff08\u5982CVE-2023-xxxxx\u6f0f\u6d1e\uff09\u6216\u672a\u66f4\u65b0\u7684Nginx\u7248\u672c\uff0c\u6613\u88ab\u62d2\u7d55\u670d\u52d9\uff08DoS\uff09\u653b\u64ca\u5229\u7528\uff0c\u5c0e\u81f4\u670d\u52d9\u5d29\u6f70\u3002<\/li>\n<li>\u8a2d\u5b9a\u6f02\u79fb\uff1a\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u4e2d\u5e38\u898b\u7684\u9632\u706b\u7246\u898f\u5247\u624b\u52d5\u4fee\u6539\u6216PHP-FPM\u53c3\u6578\u8abf\u6574\uff0c\u5f80\u5f80\u6703\u5f15\u5165\u885d\u7a81\u898f\u5247\uff0c\u963b\u65b7\u6b63\u5e38\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<h3>\u8cc7\u6599\u4e2d\u5fc3\u8207\u670d\u52d9\u5546\u7f3a\u9677<\/h3>\n<ul>\n<li>\u4e0d\u65b7\u96fb\u7cfb\u7d71\uff08UPS\uff09\u6545\u969c\uff1a\u7d93\u6fdf\u578b\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u4f7f\u75285-10\u5e74\u7684\u8001\u820aUPS\u7cfb\u7d71\uff0c\u7121\u6cd5\u62b5\u79a6\u98b1\u98a8\u671f\u9593\u7684\u505c\u96fb\uff08Tier 3\u53ca\u4ee5\u4e0a\u7b49\u7d1a\u6a5f\u623f\u53ef\u907f\u514d\u6b64\u554f\u984c\uff09\u3002<\/li>\n<li>\u8d85\u552e\u884c\u70ba\uff1a\u4f3a\u670d\u5668\u79df\u7528\u670d\u52d9\u5546\u5e38\u904e\u5ea6\u5206\u914d\u983b\u5bec\u6216CPU\u6838\u5fc3\uff0c\u5c0e\u81f4\u983b\u5bec\u7bc0\u6d41\uff0c\u5c0d\u7d42\u7aef\u4f7f\u7528\u8005\u800c\u8a00\u7b49\u540c\u65bc\u7576\u6a5f\u3002<\/li>\n<li>\u7d14\u9060\u7aef\u652f\u63f4\uff1a\u7121\u9999\u6e2f\u672c\u5730\u6280\u8853\u4eba\u54e1\u7684\u670d\u52d9\u5546\uff0c\u89e3\u6c7a\u786c\u9ad4\u554f\u984c\u97004-8\u5c0f\u6642\uff08\u800c\u73fe\u5834\u5718\u968a\u50c5\u97001-2\u5c0f\u6642\uff09\u3002<\/li>\n<\/ul>\n<h2><strong>\u4e8c\u3001\u5206\u6b65\u8a3a\u65b7\uff1a\u7cbe\u6e96\u5b9a\u4f4d\u7576\u6a5f\u539f\u56e0\u7684\u5be6\u64cd\u6d41\u7a0b<\/strong><\/h2>\n<p>\u8a3a\u65b7\u9999\u6e2f\u4f3a\u670d\u5668\u7576\u6a5f\u9700\u9075\u5faa\u7cfb\u7d71\u5316\u65b9\u6cd5\u2014\u2014\u5148\u900f\u904e\u5feb\u901f\u6aa2\u67e5\u6392\u9664\u7c21\u55ae\u554f\u984c\uff0c\u518d\u6df1\u5165\u6280\u8853\u5206\u6790\u3002\u6309\u4ee5\u4e0b\u6d41\u7a0b\u64cd\u4f5c\u53ef\u907f\u514d\u76f2\u76ee\u731c\u6e2c\uff1a<\/p>\n<ol>\n<li>\n            <strong>\u78ba\u8a8d\u7576\u6a5f\u771f\u5be6\u6027\uff0810\u5206\u9418\uff09<\/strong><\/p>\n<p>\u9996\u5148\u6392\u9664\u8aa4\u5831\u3002\u4f7f\u7528\u8005\u56de\u5831\u7684\u300c\u7576\u6a5f\u300d\u53ef\u80fd\u53ea\u662f\u672c\u5730\u7db2\u8def\u554f\u984c\uff0c\u53ef\u85c9\u52a9\u4ee5\u4e0b\u5de5\u5177\u9a57\u8b49\uff1a<\/p>\n<ul>\n<li>\u57f7\u884c<code>ping -c 10 [\u4f3a\u670d\u5668IP]<\/code>\uff08Linux\/macOS\u7cfb\u7d71\uff09\u6216<code>ping -n 10 [\u4f3a\u670d\u5668IP]<\/code>\uff08Windows\u7cfb\u7d71\uff09\uff0c\u6aa2\u67e5\u57fa\u790e\u9023\u901a\u6027\u3002<\/li>\n<li>\u591a\u5340\u57df\u6e2c\u8a66\uff1a\u4f7f\u7528\u9999\u6e2f\u672c\u5730\u5de5\u5177\uff08\u5982ping.hk\uff09\u548c\u4e2d\u570b\u5927\u9678\u5de5\u5177\uff08\u5982\u7ad9\u9577\u5de5\u5177\uff09\uff0c\u6392\u9664\u5340\u57df\u93c8\u8def\u554f\u984c\u3002<\/li>\n<li>\u670d\u52d9\u5c08\u4e00\u6027\u6aa2\u6e2c\uff1a\u900f\u904e<code>telnet [\u4f3a\u670d\u5668IP] [\u9023\u63a5\u57e0]<\/code>\uff08\u5982HTTP\u670d\u52d9\u752880\u9023\u63a5\u57e0\u3001MySQL\u75283306\u9023\u63a5\u57e0\uff09\uff0c\u5224\u65b7\u662f\u5426\u50c5\u55ae\u500b\u670d\u52d9\u7576\u6a5f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u8a3a\u65b7\u786c\u9ad4\u5065\u5eb7\u72c0\u614b\uff0830\u5206\u9418\uff09<\/strong><\/p>\n<p>\u786c\u9ad4\u6545\u969c\u901a\u5e38\u5177\u6709\u9593\u6b47\u6027\uff0c\u53ef\u900f\u904e\u4ee5\u4e0b\u6b65\u9a5f\u6355\u6349\uff1a<\/p>\n<ul>\n<li>\u9060\u7aef\u7ba1\u7406\u5b58\u53d6\uff1a\u900f\u904eIPMI\/iDRAC\u4ecb\u9762\u67e5\u770b\u7cfb\u7d71\u65e5\u8a8c\uff0c\u6392\u67e5\u6563\u71b1\u95dc\u6a5f\u6216\u96fb\u6e90\u932f\u8aa4\uff08\u95dc\u6ce8\u300c\u904e\u71b1\u300d\u300c\u96fb\u6e90\u4e2d\u65b7\u300d\u76f8\u95dc\u8a18\u9304\uff09\u3002<\/li>\n<li>\u5132\u5b58\u6aa2\u6e2c\uff1a\u4f7f\u7528<code>smartctl -a \/dev\/sda<\/code>\uff08Linux\u7cfb\u7d71\uff09\u6aa2\u67e5\u786c\u789f\u5065\u5eb7\u72c0\u614b\u2014\u2014\u91cd\u9ede\u95dc\u6ce8\u300c\u9810\u6545\u969c\u300d\u72c0\u614b\u548c\u300c\u76ee\u524d\u5f85\u6620\u5c04\u78c1\u5340\u300d\u8a08\u6578\u3002<\/li>\n<li>\u5143\u4ef6\u9a57\u8b49\uff1a\u900f\u904e\u53ef\u5f15\u5c0eUSB\u57f7\u884c<code>memtest86+<\/code>\u6e2c\u8a66\u8a18\u61b6\u9ad4\uff08\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u4e2d\u6df7\u5408\u8a18\u61b6\u9ad4\u6a21\u7d44\u6642\uff0c\u8a18\u61b6\u9ad4\u6545\u969c\u8f03\u70ba\u5e38\u898b\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u5206\u6790\u7db2\u8def\u5065\u5eb7\u72c0\u614b\uff0845\u5206\u9418\uff09<\/strong><\/p>\n<p>\u9999\u6e2f\u8de8\u5883\u93c8\u8def\u662f\u6700\u5e38\u898b\u7684\u6545\u969c\u8a98\u56e0\uff0c\u6309\u4ee5\u4e0b\u65b9\u5f0f\u5be9\u8a08\uff1a<\/p>\n<ul>\n<li>\u8def\u7531\u8ffd\u8e64\uff1a\u5f9e\u4e2d\u570b\u5927\u9678\u548c\u9999\u6e2f\u5169\u5730\u57f7\u884c<code>traceroute [\u4f3a\u670d\u5668IP]<\/code>\uff0c\u6392\u67e5\u5ef6\u9072\u8d85\u904e100\u6beb\u79d2\u6216\u6389\u5305\u738710%\u4ee5\u4e0a\u7684\u8df3\u6578\u3002<\/li>\n<li>\u983b\u5bec\u4f7f\u7528\u6aa2\u67e5\uff1a\u900f\u904e<code>iftop<\/code>\uff08Linux\u7cfb\u7d71\uff09\u6216\u5de5\u4f5c\u7ba1\u7406\u54e1\uff08Windows\u7cfb\u7d71\uff09\uff0c\u89c0\u5bdf\u983b\u5bec\u662f\u5426\u6301\u7e8c\u8655\u65bc95%\u4ee5\u4e0a\u7684\u98fd\u548c\u72c0\u614b\u3002<\/li>\n<li>DNS\u9a57\u8b49\uff1a\u4f7f\u7528<code>nslookup [\u7db2\u57df\u540d\u7a31]<\/code>\u78ba\u8a8dDNS\u7d00\u9304\u662f\u5426\u6307\u5411\u6b63\u78baIP\u2014\u2014IP\u8b8a\u66f4\u5f8c\u5feb\u53d6\u7d00\u9304\u53ef\u80fd\u5c0e\u81f4\u300c\u5047\u6027\u7576\u6a5f\u300d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u5be9\u8a08\u8edf\u9ad4\u8207\u8ca0\u8f09\u60c5\u6cc1\uff081\u5c0f\u6642\uff09<\/strong><\/p>\n<p>\u8edf\u9ad4\u554f\u984c\u5e38\u4f2a\u88c5\u6210\u786c\u9ad4\u6216\u7db2\u8def\u6545\u969c\uff0c\u9700\u6df1\u5165\u65e5\u8a8c\u548c\u6307\u6a19\u5206\u6790\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7d71\u8ca0\u8f09\u6aa2\u67e5\uff1a\u900f\u904e<code>top<\/code>\uff08Linux\u7cfb\u7d71\uff09\u6216\u8cc7\u6e90\u76e3\u8996\u5668\uff08Windows\u7cfb\u7d71\uff09\u67e5\u770bCPU\/\u8a18\u61b6\u9ad4\u5cf0\u503c\uff08\u6309%CPU\u6392\u5e8f\u53ef\u5feb\u901f\u5b9a\u4f4d\u7570\u5e38\u7a0b\u5e8f\uff09\u3002<\/li>\n<li>\u65e5\u8a8c\u5206\u6790\uff1a\u67e5\u770b<code>\/var\/log\/syslog<\/code>\uff08Linux\u7cfb\u7d71\uff09\u6216\u4e8b\u4ef6\u6aa2\u8996\u5668\uff08Windows\u7cfb\u7d71\uff09\u4e2d\u7684\u7576\u6a5f\u6642\u9593\u6233\u2014\u2014\u91cd\u9ede\u95dc\u6ce8\u300c\u5206\u6bb5\u932f\u8aa4\u300d\uff08\u61c9\u7528\u5d29\u6f70\uff09\u6216\u300c\u9023\u7dda\u88ab\u62d2\u7d55\u300d\uff08\u9632\u706b\u7246\u963b\u65b7\uff09\u8a18\u9304\u3002<\/li>\n<li>\u8a2d\u5b9a\u6e2c\u8a66\uff1a\u56de\u6efe\u8fd1\u671f\u8b8a\u66f4\uff08\u5982<code>git checkout \/etc\/nginx\/nginx.conf<\/code>\uff09\uff0c\u89c0\u5bdf\u7576\u6a5f\u662f\u5426\u505c\u6b62\u2014\u2014\u8a2d\u5b9a\u6f02\u79fb\u662f\u4e3b\u8981\u8a98\u56e0\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u6392\u9664\u653b\u64ca\u56e0\u7d20\uff0830\u5206\u9418\uff09<\/strong><\/p>\n<p>\u9999\u6e2f\u4f3a\u670d\u5668\u662f\u5206\u6563\u5f0f\u62d2\u7d55\u670d\u52d9\uff08DDoS\uff09\/CC\u653b\u64ca\u7684\u9ad8\u983b\u76ee\u6a19\uff0c\u6aa2\u6e2c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u6a21\u5f0f\u6aa2\u67e5\uff1a\u900f\u904e<code>tcpdump -i eth0<\/code>\u64f7\u53d6\u7570\u5e38\u6d41\u91cf\uff08\u5982\u55aeIP\u6bcf\u79d2\u767c\u90011000+ UDP\u5c01\u5305\uff09\u3002<\/li>\n<li>\u5b58\u53d6\u65e5\u8a8c\u5206\u6790\uff1a\u91dd\u5c0dWeb\u4f3a\u670d\u5668\uff0c\u641c\u5c0b\u65e5\u8a8c\u4e2d\u540c\u4e00IP\u7684\u5927\u91cf404\u8acb\u6c42\uff08CC\u653b\u64ca\u7279\u5fb5\uff09\uff0c\u547d\u4ee4\u7bc4\u4f8b\uff1a<code>grep \"192.168.1.1\" \/var\/log\/nginx\/access.log | wc -l<\/code>\u3002<\/li>\n<li>\u9632\u706b\u7246\u898f\u5247\u9a57\u8b49\uff1a\u78ba\u8a8d\u9632\u706b\u7246\u672a\u8aa4\u6514\u5408\u6cd5\u6d41\u91cf\uff08Linux\u7cfb\u7d71\u53ef\u900f\u904e<code>iptables -L -v<\/code>\u67e5\u770b\u4e1f\u68c4\u5c01\u5305\u6578\u91cf\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n            <strong>\u9a57\u8b49\u670d\u52d9\u5546\u6548\u80fd\uff0820\u5206\u9418\uff09<\/strong><\/p>\n<p>\u82e5\u4ee5\u4e0a\u6aa2\u67e5\u5747\u7121\u7570\u5e38\uff0c\u554f\u984c\u53ef\u80fd\u51fa\u73fe\u5728\u4f3a\u670d\u5668\u79df\u7528\/\u8a17\u7ba1\u670d\u52d9\u5546\uff1a<\/p>\n<ul>\n<li>\u67e5\u770b\u670d\u52d9\u5546\u72c0\u614b\u9801\uff1a\u6392\u67e5\u672a\u516c\u544a\u7684\u7dad\u8b77\u64cd\u4f5c\uff08\u8a31\u591a\u9999\u6e2f\u670d\u52d9\u5546\u50c5\u5728\u6545\u969c\u5f8c\u66f4\u65b0\u72c0\u614b\u9801\uff09\u3002<\/li>\n<li>\u5099\u7528\u4f3a\u670d\u5668\u6e2c\u8a66\uff1a\u5728\u540c\u4e00\u670d\u52d9\u5546\uff08\u6216\u66f4\u63db\u5176\u4ed6\u670d\u52d9\u5546\uff09\u90e8\u7f72\u81e8\u6642\u865b\u64ec\u6a5f\uff0c\u89c0\u5bdf\u7576\u6a5f\u662f\u5426\u5fa9\u73fe\u2014\u2014\u6392\u9664\u670d\u52d9\u5546\u5c64\u9762\u7684\u5168\u57df\u554f\u984c\u3002<\/li>\n<li>\u7d22\u53d6\u6307\u6a19\u6578\u64da\uff1a\u8981\u6c42\u670d\u52d9\u5546\u63d0\u4f9b\u983b\u5bec\u5229\u7528\u7387\u5716\u8868\u548c\u786c\u9ad4\u5065\u5eb7\u5831\u544a\u2014\u2014\u62d2\u7d55\u63d0\u4f9b\u6578\u64da\u7684\u670d\u52d9\u5546\u9700\u8b39\u614e\u9078\u64c7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u4e09\u3001\u89e3\u6c7a\u65b9\u6848\u8207\u9810\u9632\u63aa\u65bd\uff1a\u4fdd\u969c\u9999\u6e2f\u4f3a\u670d\u5668\u7a69\u5b9a\u904b\u884c<\/strong><\/h2>\n<p>\u5b9a\u4f4d\u539f\u56e0\u5f8c\uff0c\u53ef\u900f\u904e\u4ee5\u4e0b\u6280\u8853\u5c0e\u5411\u65b9\u6848\u89e3\u6c7a\u7576\u6a5f\u554f\u984c\uff0c\u4e26\u5efa\u7acb\u9577\u6548\u9810\u9632\u6a5f\u5236\uff1a<\/p>\n<h3>\u5373\u6642\u554f\u984c\u89e3\u6c7a<\/h3>\n<ul>\n<li>\u786c\u9ad4\u6545\u969c\uff1a\u66f4\u63db\u6545\u969c\u5143\u4ef6\uff08\u9999\u6e2f\u4f3a\u670d\u5668\u5efa\u8b70\u4f7f\u7528\u4f01\u696d\u7d1a\u786c\u789f\uff0c\u8010\u71b1\u6027\u66f4\u5f37\uff09\u3002\u4f3a\u670d\u5668\u8a17\u7ba1\u5834\u666f\u4e0b\uff0c\u5efa\u8b70\u914d\u7f6e\u73fe\u5834\u5099\u4ef6\u3002<\/li>\n<li>\u7db2\u8def\u554f\u984c\uff1a\u5347\u7d1a\u70ba\u591a\u7dda\u8def\u983b\u5bec\uff08\u5982\u6df7\u5408\u9999\u6e2f\u5bec\u983b\u548c\u96fb\u8a0a\u76c8\u79d1\u93c8\u8def\uff09\uff0c\u907f\u514d\u55ae\u9ede\u6545\u969c\u3002\u8de8\u5883\u6d41\u91cf\u53ef\u63a1\u7528\u6700\u4f73\u5316\u8def\u7531\uff08\u5982CN2\uff09\u964d\u4f4e\u5ef6\u9072\u3002<\/li>\n<li>\u8edf\u9ad4\u554f\u984c\uff1a\u4fee\u88dc\u7cfb\u7d71\u6f0f\u6d1e\uff08Debian\/Ubuntu\u7cfb\u7d71\u7528<code>apt upgrade -y<\/code>\uff0cRHEL\u7cfb\u7d71\u7528<code>yum update -y<\/code>\uff09\uff0c\u6700\u4f73\u5316\u61c9\u7528\u6548\u80fd\uff08\u5982\u70baMySQL\u8868\u683c\u65b0\u589e\u7d22\u5f15\u3001\u4fee\u5fa9\u7a0b\u5f0f\u8a18\u61b6\u9ad4\u6d29\u6f0f\uff09\u3002<\/li>\n<li>\u653b\u64ca\u9632\u8b77\uff1a\u555f\u7528DDoS\u9632\u8b77\uff08\u4f7f\u7528\u9999\u6e2f\u672c\u5730\u6d41\u91cf\u6e05\u6d17\u4e2d\u5fc3\uff09\uff0c\u6514\u622a\u60e1\u610fIP\uff08Linux\u7cfb\u7d71\u547d\u4ee4\uff1a<code>iptables -A INPUT -s [\u60e1\u610fIP] -j DROP<\/code>\uff09\u3002<\/li>\n<\/ul>\n<h3>\u9577\u671f\u9810\u9632\u7b56\u7565<\/h3>\n<ul>\n<li>\u90e8\u7f72\u76e3\u63a7\u7cfb\u7d71\uff1a\u4f7f\u7528Prometheus + Grafana\u76e3\u63a7CPU\u3001\u8a18\u61b6\u9ad4\u548c\u983b\u5bec\uff0c\u8a2d\u5b9a80%\u4f7f\u7528\u7387\u8b66\u793a\u95be\u503c\u2014\u2014\u907f\u514d\u88ab\u52d5\u6436\u4fee\u3002<\/li>\n<li>\u5b9a\u671f\u7dad\u8b77\u8a08\u5283\uff1a\u6bcf\u6708\u900f\u904eIPMI\u57f7\u884c\u786c\u9ad4\u6aa2\u67e5\uff0c\u6bcf\u5b63\u5ea6\u9032\u884c\u8edf\u9ad4\u4fee\u88dc\u66f4\u65b0\u2014\u2014\u907f\u958b\u9999\u6e2f\u696d\u52d9\u9ad8\u5cf0\u6642\u6bb5\uff08\u4e0a\u53489\u9ede-\u4e0b\u53485\u9ede\uff09\u3002<\/li>\n<li>\u9078\u64c7\u512a\u8cea\u670d\u52d9\u5546\uff1a\u512a\u5148\u9078\u64c7Tier 3\u53ca\u4ee5\u4e0a\u7b49\u7d1a\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\uff0c\u9700\u5177\u5099\u672c\u5730\u6280\u8853\u5718\u968a\u548c\u670d\u52d9\u7b49\u7d1a\u5354\u8b70\uff08SLA\uff09\u4fdd\u969c\uff08\u76ee\u6a19\u53ef\u7528\u602799.99%\uff0c\u76f8\u7576\u65bc\u6bcf\u5e74\u7576\u6a5f\u6642\u9593\u22644.38\u5c0f\u6642\uff09\u3002<\/li>\n<li>\u5efa\u69cb\u5099\u63f4\u67b6\u69cb\uff1a\u5728\u5169\u53f0\u9999\u6e2f\u4f3a\u670d\u5668\u9593\u914d\u7f6e\u8ca0\u8f09\u5747\u8861\uff0c\u5be6\u73fe\u6545\u969c\u6642\u81ea\u52d5\u5207\u63db\u3002\u6578\u64da\u6bcf\u5c0f\u6642\u5099\u4efd\u81f3\u7570\u5730\u3002<\/li>\n<\/ul>\n<h2><strong>\u56db\u3001\u7e3d\u7d50\uff1a\u7cbe\u901a\u9999\u6e2f\u4f3a\u670d\u5668\u7576\u6a5f\u8a3a\u65b7<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u4e26\u975e\u4e0d\u53ef\u907f\u514d\u2014\u2014\u5b83\u662f\u786c\u9ad4\u3001\u7db2\u8def\u6216\u8edf\u9ad4\u554f\u984c\u672a\u5f97\u5230\u89e3\u6c7a\u7684\u5916\u5728\u8868\u73fe\u3002\u6280\u8853\u5718\u968a\u900f\u904e\u7cfb\u7d71\u5316\u8a3a\u65b7\u6d41\u7a0b\uff08\u5f9e\u7576\u6a5f\u78ba\u8a8d\u5230\u670d\u52d9\u5546\u5be9\u8a08\uff09\uff0c\u53ef\u66f4\u5feb\u89e3\u6c7a\u554f\u984c\u4e26\u9632\u6b62\u5fa9\u767c\u3002\u9700\u8b39\u8a18\uff1a\u9999\u6e2f\u7368\u7279\u7684\u8de8\u5883\u751f\u614b\u8981\u6c42\u5ba2\u88fd\u5316\u89e3\u6c7a\u65b9\u6848\uff0c\u5982\u591a\u7dda\u8def\u983b\u5bec\u548c\u672c\u5730\u6280\u8853\u652f\u63f4\u3002\u82e5\u8981\u9577\u671f\u7a69\u5b9a\u904b\u884c\uff0c\u9700\u5c07\u4e3b\u52d5\u76e3\u63a7\u8207\u5b9a\u671f\u7dad\u8b77\u76f8\u7d50\u5408\uff0c\u5207\u52ff\u5728\u8cc7\u6599\u4e2d\u5fc3\u54c1\u8cea\u4e0a\u59a5\u5354\u3002\u5982\u679c\u4ecd\u5728\u56f0\u64fe\u65bc<strong>\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u8a3a\u65b7<\/strong>\uff0c\u53ef\u5f9e\u57fa\u790e\u64cd\u4f5c\u5165\u624b\uff1a\u57f7\u884c<code>traceroute<\/code>\u547d\u4ee4\u3001\u6aa2\u67e5SMART\u6578\u64da\u3001\u5206\u6790\u7cfb\u7d71\u65e5\u8a8c\u2014\u2014\u901a\u5e38\u5e7e\u5c0f\u6642\u5167\u5373\u53ef\u5b9a\u4f4d\u75c7\u7d50\uff0c\u800c\u975e\u8017\u8cbb\u6578\u5929\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0d\u65bc\u7ba1\u7406\u8de8\u5883\u696d\u52d9\u7684\u6280\u8853\u5718\u968a\u800c\u8a00\uff0c\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u7d55\u975e\u7c21\u55ae\u6545\u969c\u2014\u2014\u5b83\u6703\u5c0e\u81f4\u96fb\u5546\u7d50\u5e33\u6d41\u7a0b\u4e2d\u65b7\u3001\u5168\u7403\u61c9\u7528\u7684API\u9023 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/hong-kong-server-frequent-downtime-diagnosis\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":12,"featured_media":27868,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[267],"tags":[],"class_list":["post-27875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u9999\u6e2f\u4f3a\u670d\u5668\u983b\u7e41\u7576\u6a5f\u8a3a\u65b7<\/title>\n<meta name=\"description\" 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