{"id":16477,"date":"2024-11-18T12:53:12","date_gmt":"2024-11-18T04:53:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16477\/"},"modified":"2024-11-18T12:53:12","modified_gmt":"2024-11-18T04:53:12","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e4%b8%ad%e5%ae%9e%e7%8e%b0%e5%ae%9e%e6%97%b6%e6%97%a5%e5%bf%97%e5%88%86%e6%9e%90%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16477\/","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\uff1f"},"content":{"rendered":"<p>\u5982\u4f55\u5728linux\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\uff1f<\/p>\n<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u65e5\u5fd7\u5206\u6790\u65e5\u76ca\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u5de5\u4f5c\uff0c\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u3001\u6545\u969c\u6392\u67e5\u548c\u5b89\u5168\u5ba1\u8ba1\u7b49\u3002\u5728Linux\u73af\u5883\u4e0b\uff0c\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\u7684\u9700\u6c42\u4e5f\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6<br \/>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u67e5\u770b\u8981\u5206\u6790\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8eLinux\u7cfb\u7edf\u7684\/var\/log\u76ee\u5f55\u4e0b\uff0c\u5e38\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\u6709\uff1a\/var\/log\/syslog\uff08\u7cfb\u7edf\u65e5\u5fd7\uff09\u3001\/var\/log\/auth.log\uff08\u8ba4\u8bc1\u65e5\u5fd7\uff09\u3001\/var\/log\/kern.log\uff08\u5185\u6838\u65e5\u5fd7\uff09\u7b49\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177tail\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\uff1a<br \/>tail -f \/var\/log\/syslog<\/p>\n<p>\u4e8c\u3001\u8fc7\u6ee4\u5173\u952e\u8bcd<br \/>\u5728\u5b9e\u9645\u7684\u65e5\u5fd7\u5206\u6790\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u53ea\u5173\u6ce8\u7279\u5b9a\u5173\u952e\u8bcd\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\u3002\u4e3a\u4e86\u5b9e\u73b0\u5b9e\u65f6\u8fc7\u6ee4\u5173\u952e\u8bcd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177grep\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u8fc7\u6ee4\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u5305\u542b&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u65e5\u5fd7\uff1a<br \/>tail -f \/var\/log\/syslog | grep &#8220;error&#8221;<\/p>\n<p>\u4e09\u3001\u7edf\u8ba1\u65e5\u5fd7\u4fe1\u606f<br \/>\u9664\u4e86\u8fc7\u6ee4\u5173\u952e\u8bcd\uff0c\u6211\u4eec\u8fd8\u53ef\u80fd\u9700\u8981\u5bf9\u65e5\u5fd7\u4fe1\u606f\u8fdb\u884c\u7edf\u8ba1\uff0c\u4f8b\u5982\u8ba1\u7b97\u67d0\u4e2a\u5173\u952e\u8bcd\u51fa\u73b0\u7684\u9891\u7387\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177awk\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u7edf\u8ba1\u7cfb\u7edf\u65e5\u5fd7\u4e2d&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u51fa\u73b0\u9891\u7387\uff1a<br \/>tail -f \/var\/log\/syslog | grep &#8220;error&#8221; | awk &#8216;{count[$0]++} END {for (line in count) print line&#8221;: &#8220;count[line]&#8221; times&#8221;}&#8217;<\/p>\n<p>\u56db\u3001\u81ea\u52a8\u5316\u5206\u6790<br \/>\u4e3a\u4e86\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u65e5\u5fd7\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528shell\u811a\u672c\u548ccron\u5b9a\u65f6\u4efb\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u7684shell\u811a\u672c\uff0c\u7528\u4e8e\u5b9e\u65f6\u7edf\u8ba1\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u6bcf\u5206\u949f\u51fa\u73b0\u7684&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u6b21\u6570\uff1a<\/p>\n<h1>!\/bin\/bash<\/h1>\n<p>LOG_FILE=&#8221;\/var\/log\/syslog&#8221;<\/p>\n<h1>\u6e05\u7a7a\u65e5\u5fd7<\/h1>\n<p>echo &#8220;&#8221; &gt; ${LOG_FILE}_error.log<\/p>\n<h1>\u5b9a\u65f6\u4efb\u52a1\uff0c\u6bcf\u5206\u949f\u8fd0\u884c\u4e00\u6b21<\/h1>\n<p>while [ true ]<br \/>do<\/p>\n<pre># \u7edf\u8ba1\u6bcf\u5206\u949f\u7684\u9519\u8bef\u6b21\u6570\ncount=$(tail -n 100 ${LOG_FILE} | grep -c \"error\")\n\n# \u5c06\u7edf\u8ba1\u7ed3\u679c\u8f93\u51fa\u5230\u65e5\u5fd7\u6587\u4ef6\u4e2d\necho \"$(date +\"%Y-%m-%d %H:%M:%S\"): ${count}\" &amp;gt;&amp;gt; ${LOG_FILE}_error.log\n\n# \u4f11\u772060\u79d2\nsleep 60<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>done<\/p>\n<p>\u5c06\u4e0a\u8ff0\u4ee3\u7801\u4fdd\u5b58\u5230\u4e00\u4e2a\u811a\u672c\u6587\u4ef6\u4e2d\uff08\u4f8b\u5982log_analysis.sh\uff09\uff0c\u5e76\u6dfb\u52a0\u53ef\u6267\u884c\u6743\u9650\u3002<\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cron\u5b9a\u65f6\u4efb\u52a1\uff0c\u6bcf\u5206\u949f\u6267\u884c\u4e00\u6b21\u811a\u672c\uff1a<\/p>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>\/path\/to\/log_analysis.sh &gt;\/dev\/null 2&gt;&amp;1<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u7684\u914d\u7f6e\uff0c\u7cfb\u7edf\u4f1a\u6bcf\u5206\u949f\u81ea\u52a8\u6267\u884clog_analysis.sh\u811a\u672c\uff0c\u7edf\u8ba1\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u6bcf\u5206\u949f\u51fa\u73b0\u7684&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u6b21\u6570\uff0c\u5e76\u5c06\u7ed3\u679c\u8f93\u51fa\u5230\/var\/log\/syslog_error.log\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u7684\u6b65\u9aa4\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5728Linux\u4e2d\u7684\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\u3002\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177tail\u3001grep\u548cawk\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u548c\u8fc7\u6ee4\u65e5\u5fd7\u4fe1\u606f\uff1b\u800c\u901a\u8fc7\u7ed3\u5408\u4f7f\u7528shell\u811a\u672c\u548ccron\u5b9a\u65f6\u4efb\u52a1\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u65e5\u5fd7\u5206\u6790\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u5bf9\u4ee3\u7801\u8fdb\u884c\u4fee\u6539\u548c\u4f18\u5316\uff0c\u4ee5\u6ee1\u8db3\u5177\u4f53\u7684\u5206\u6790\u9700\u6c42\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Linux\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728linux\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\uff1f \u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u65e5\u5fd7\u5206\u6790\u65e5\u76ca\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u5de5\u4f5c\uff0c\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u3001\u6545\u969c\u6392\u67e5\u548c\u5b89\u5168\u5ba1\u8ba1\u7b49\u3002\u5728Linux\u73af\u5883\u4e0b\uff0c\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\u7684\u9700\u6c42\u4e5f\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u4e2d\u5b9e\u73b0\u5b9e\u65f6\u65e5\u5fd7\u5206\u6790\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u67e5\u770b\u8981\u5206\u6790\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8eLinux\u7cfb\u7edf\u7684\/var\/log\u76ee\u5f55\u4e0b\uff0c\u5e38\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\u6709\uff1a\/var\/log\/syslog\uff08\u7cfb\u7edf\u65e5\u5fd7\uff09\u3001\/var\/log\/auth.log\uff08\u8ba4\u8bc1\u65e5\u5fd7\uff09\u3001\/var\/log\/kern.log\uff08\u5185\u6838\u65e5\u5fd7\uff09\u7b49\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177tail\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\u3002 \u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\uff1atail -f \/var\/log\/syslog \u4e8c\u3001\u8fc7\u6ee4\u5173\u952e\u8bcd\u5728\u5b9e\u9645\u7684\u65e5\u5fd7\u5206\u6790\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u53ea\u5173\u6ce8\u7279\u5b9a\u5173\u952e\u8bcd\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\u3002\u4e3a\u4e86\u5b9e\u73b0\u5b9e\u65f6\u8fc7\u6ee4\u5173\u952e\u8bcd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177grep\u3002 \u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u8fc7\u6ee4\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u5305\u542b&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u65e5\u5fd7\uff1atail -f \/var\/log\/syslog | grep &#8220;error&#8221; \u4e09\u3001\u7edf\u8ba1\u65e5\u5fd7\u4fe1\u606f\u9664\u4e86\u8fc7\u6ee4\u5173\u952e\u8bcd\uff0c\u6211\u4eec\u8fd8\u53ef\u80fd\u9700\u8981\u5bf9\u65e5\u5fd7\u4fe1\u606f\u8fdb\u884c\u7edf\u8ba1\uff0c\u4f8b\u5982\u8ba1\u7b97\u67d0\u4e2a\u5173\u952e\u8bcd\u51fa\u73b0\u7684\u9891\u7387\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177awk\u3002 \u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u7edf\u8ba1\u7cfb\u7edf\u65e5\u5fd7\u4e2d&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u51fa\u73b0\u9891\u7387\uff1atail -f \/var\/log\/syslog | grep &#8220;error&#8221; | awk &#8216;{count[$0]++} END {for (line in count) print line&#8221;: &#8220;count[line]&#8221; times&#8221;}&#8217; \u56db\u3001\u81ea\u52a8\u5316\u5206\u6790\u4e3a\u4e86\u5b9e\u73b0\u81ea\u52a8\u5316\u7684\u65e5\u5fd7\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528shell\u811a\u672c\u548ccron\u5b9a\u65f6\u4efb\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u7684shell\u811a\u672c\uff0c\u7528\u4e8e\u5b9e\u65f6\u7edf\u8ba1\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u6bcf\u5206\u949f\u51fa\u73b0\u7684&#8221;error&#8221;\u5173\u952e\u8bcd\u7684\u6b21\u6570\uff1a !\/bin\/bash LOG_FILE=&#8221;\/var\/log\/syslog&#8221; \u6e05\u7a7a\u65e5\u5fd7 echo &#8220;&#8221; &gt; ${LOG_FILE}_error.log \u5b9a\u65f6\u4efb\u52a1\uff0c\u6bcf\u5206\u949f\u8fd0\u884c\u4e00\u6b21 while [ true ]do # \u7edf\u8ba1\u6bcf\u5206\u949f\u7684\u9519\u8bef\u6b21\u6570 count=$(tail -n 100 ${LOG_FILE} | grep -c &#8220;error&#8221;) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-16477","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=16477"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16477\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}