{"id":61940,"date":"2025-04-29T09:23:52","date_gmt":"2025-04-29T01:23:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61940\/"},"modified":"2025-04-29T09:23:52","modified_gmt":"2025-04-29T01:23:52","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8linux%e8%bf%9b%e8%a1%8c%e6%97%a5%e5%bf%97%e5%88%86%e6%9e%90%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61940\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Linux\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff1f"},"content":{"rendered":"<p>\u5982\u4f55\u5229\u7528\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff1f<\/p>\n<p>\u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4ea7\u751f\u5927\u91cf\u7684\u65e5\u5fd7\u6570\u636e\u3002\u901a\u8fc7\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u6790\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u548c\u95ee\u9898\u6240\u5728\u3002\u800cLinux\u4f5c\u4e3a\u4e00\u4e2a\u5f3a\u5927\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5229\u7528Linux\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5e38\u7528\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u8981\u4e86\u89e3\u7cfb\u7edf\u7684\u65e5\u5fd7\u6587\u4ef6\u5b58\u653e\u5728\u54ea\u91cc\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u4e00\u822c\u5c06\u7cfb\u7edf\u65e5\u5fd7\u5b58\u653e\u5728\/var\/log\u76ee\u5f55\u4e0b\uff0c\u4e0d\u540c\u7684\u53d1\u884c\u7248\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<p>\u4f7f\u7528ls\u547d\u4ee4\u67e5\u770b\/var\/log\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff1a<\/p>\n<pre>ls \/var\/log<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u6bd4\u5982syslog\u3001auth.log\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cat\u547d\u4ee4\u6216less\u547d\u4ee4\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4f8b\u5982\u67e5\u770bsyslog\u6587\u4ef6\uff1a<\/p>\n<pre>cat \/var\/log\/syslog<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e8c\u3001\u641c\u7d22\u5173\u952e\u5b57<\/p>\n<p>\u5f53\u65e5\u5fd7\u6587\u4ef6\u6bd4\u8f83\u5927\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528grep\u547d\u4ee4\u6765\u641c\u7d22\u5173\u952e\u5b57\uff0c\u4ece\u800c\u5feb\u901f\u5b9a\u4f4d\u6211\u4eec\u5173\u5fc3\u7684\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728syslog\u6587\u4ef6\u4e2d\u641c\u7d22\u5173\u952e\u5b57&#8221;error&#8221;\uff1a<\/p>\n<pre>grep \"error\" \/var\/log\/syslog<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u627e\u5230\u6240\u6709\u5305\u542b&#8221;error&#8221;\u5173\u952e\u5b57\u7684\u65e5\u5fd7\u884c\u3002<\/p>\n<p>\u4e09\u3001\u8fc7\u6ee4\u65e5\u5fd7\u4fe1\u606f<\/p>\n<p>\u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u5173\u5fc3\u67d0\u4e2a\u7279\u5b9a\u7684\u65e5\u5fd7\u7c7b\u578b\u6216\u8005\u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684\u65e5\u5fd7\u4fe1\u606f\u3002\u8fd9\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u6765\u8fc7\u6ee4\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n<ol>\n<li>\u8fc7\u6ee4\u7279\u5b9a\u65e5\u5fd7\u7ea7\u522b\u7684\u4fe1\u606f<\/li>\n<\/ol>\n<p>syslog\u6587\u4ef6\u4e2d\u5305\u542b\u4e86\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\uff0c\u5982debug\u3001info\u3001warning\u3001error\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u6765\u8fc7\u6ee4\u51fa\u7279\u5b9a\u7684\u65e5\u5fd7\u7ea7\u522b\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8fc7\u6ee4\u51fa\u6240\u6709\u7684\u9519\u8bef\u65e5\u5fd7\uff1a<\/p>\n<pre>grep \"error\" \/var\/log\/syslog<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li>\u8fc7\u6ee4\u7279\u5b9a\u65f6\u95f4\u6bb5\u7684\u65e5\u5fd7\u4fe1\u606f<\/li>\n<\/ol>\n<p>\u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u5173\u5fc3\u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684\u65e5\u5fd7\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u8fc7\u6ee4\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8fc7\u6ee4\u51fa\u7279\u5b9a\u65f6\u95f4\u6bb5\uff082021\u5e741\u67081\u65e5\u52302021\u5e741\u670831\u65e5\uff09\u5185\u7684\u65e5\u5fd7\u4fe1\u606f\uff1a<\/p>\n<pre>grep \"2021-01-[01-31]\" \/var\/log\/syslog<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u56db\u3001\u7edf\u8ba1\u65e5\u5fd7\u4fe1\u606f<\/p>\n<p>\u6709\u65f6\u5019\uff0c\u6211\u4eec\u9700\u8981\u7edf\u8ba1\u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u6bd4\u5982\u67d0\u4e2a\u9519\u8bef\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u51fa\u73b0\u4e86\u591a\u5c11\u6b21\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u5229\u7528grep\u7ed3\u5408wc\u547d\u4ee4\u6765\u8fdb\u884c\u7edf\u8ba1\u3002\u4f8b\u5982\uff0c\u7edf\u8ba1\u67d0\u4e2a\u9519\u8bef\u5728syslog\u6587\u4ef6\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff1a<\/p>\n<pre>grep \"error\" \/var\/log\/syslog | wc -l<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u5f97\u5230\u9519\u8bef\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n<p>\u4e94\u3001\u65e5\u5fd7\u5206\u6790\u5de5\u5177<\/p>\n<p>\u9664\u4e86\u4f7f\u7528Linux\u547d\u4ee4\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u65e5\u5fd7\u5206\u6790\u5de5\u5177\u6765\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u3002<\/p>\n<ol>\n<li>awk\u547d\u4ee4<\/li>\n<\/ol>\n<p>awk\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5bf9\u65e5\u5fd7\u6587\u4ef6\u8fdb\u884c\u89e3\u6790\u548c\u5206\u6790\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u7edf\u8ba1\u6bcf\u4e2a\u5c0f\u65f6\u5185\u9519\u8bef\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>awk '{print $4}' \/var\/log\/syslog | awk -F: '{print $1}' | sort | uniq -c<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u8f93\u51fa\u6bcf\u4e2a\u5c0f\u65f6\u9519\u8bef\u51fa\u73b0\u7684\u6b21\u6570\u3002<\/p>\n<ol>\n<li>sed\u547d\u4ee4<\/li>\n<\/ol>\n<p>sed\u662f\u4e00\u79cd\u6d41\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u7528\u6765\u5904\u7406\u548c\u8f6c\u6362\u6587\u672c\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u66ff\u6362syslog\u6587\u4ef6\u4e2d\u7684\u67d0\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>sed 's\/error\/ERROR\/g' \/var\/log\/syslog<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5c06\u6240\u6709\u7684&#8221;error&#8221;\u66ff\u6362\u4e3a&#8221;ERROR&#8221;\u3002<\/p>\n<ol>\n<li>logrotate\u5de5\u5177<\/li>\n<\/ol>\n<p>logrotate\u662f\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9a\u671f\u8fdb\u884c\u65e5\u5fd7\u6587\u4ef6\u7684\u8f6e\u8f6c\u548c\u538b\u7f29\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5728logrotate\u914d\u7f6e\u6587\u4ef6\u4e2d\u6307\u5b9a\u9700\u8981\u8f6e\u8f6c\u7684\u65e5\u5fd7\u6587\u4ef6\u3001\u8f6e\u8f6c\u7684\u9891\u7387\u548c\u4fdd\u5b58\u7684\u5386\u53f2\u65e5\u5fd7\u6587\u4ef6\u6570\u91cf\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u5229\u7528Linux\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u662f\u975e\u5e38\u6709\u7528\u7684\u6280\u80fd\uff0c\u5728\u6545\u969c\u6392\u67e5\u548c\u6027\u80fd\u4f18\u5316\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5e38\u7528\u7684\u65e5\u5fd7\u5206\u6790\u65b9\u6cd5\u548c\u5de5\u5177\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u5de5\u4f5c\u3002\u5f53\u7136\uff0c\u638c\u63e1\u8fd9\u4e9b\u6280\u80fd\u9700\u8981\u7ed3\u5408\u5b9e\u9645\u7684\u5de5\u4f5c\u7ecf\u9a8c\u548c\u4e0d\u65ad\u7684\u5b9e\u8df5\uff0c\u4e0d\u65ad\u603b\u7ed3\u548c\u5b66\u4e60\uff0c\u624d\u80fd\u771f\u6b63\u6210\u4e3a\u4e00\u540d\u4f18\u79c0\u7684\u7cfb\u7edf\u7ba1\u7406\u5458\u6216\u5f00\u53d1\u4eba\u5458\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5229\u7528Linux\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5229\u7528\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff1f \u5728\u8ba1\u7b97\u673a\u7cfb\u7edf\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4ea7\u751f\u5927\u91cf\u7684\u65e5\u5fd7\u6570\u636e\u3002\u901a\u8fc7\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u6790\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u4e86\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u548c\u95ee\u9898\u6240\u5728\u3002\u800cLinux\u4f5c\u4e3a\u4e00\u4e2a\u5f3a\u5927\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5229\u7528Linux\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5e38\u7528\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6 \u9996\u5148\uff0c\u6211\u4eec\u8981\u4e86\u89e3\u7cfb\u7edf\u7684\u65e5\u5fd7\u6587\u4ef6\u5b58\u653e\u5728\u54ea\u91cc\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u4e00\u822c\u5c06\u7cfb\u7edf\u65e5\u5fd7\u5b58\u653e\u5728\/var\/log\u76ee\u5f55\u4e0b\uff0c\u4e0d\u540c\u7684\u53d1\u884c\u7248\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002 \u4f7f\u7528ls\u547d\u4ee4\u67e5\u770b\/var\/log\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff1a ls \/var\/log \u767b\u5f55\u540e\u590d\u5236 \u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u6bd4\u5982syslog\u3001auth.log\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528cat\u547d\u4ee4\u6216less\u547d\u4ee4\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4f8b\u5982\u67e5\u770bsyslog\u6587\u4ef6\uff1a cat \/var\/log\/syslog \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u641c\u7d22\u5173\u952e\u5b57 \u5f53\u65e5\u5fd7\u6587\u4ef6\u6bd4\u8f83\u5927\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528grep\u547d\u4ee4\u6765\u641c\u7d22\u5173\u952e\u5b57\uff0c\u4ece\u800c\u5feb\u901f\u5b9a\u4f4d\u6211\u4eec\u5173\u5fc3\u7684\u65e5\u5fd7\u4fe1\u606f\u3002 \u4f8b\u5982\uff0c\u5728syslog\u6587\u4ef6\u4e2d\u641c\u7d22\u5173\u952e\u5b57&#8221;error&#8221;\uff1a grep &#8220;error&#8221; \/var\/log\/syslog \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\u53ef\u4ee5\u627e\u5230\u6240\u6709\u5305\u542b&#8221;error&#8221;\u5173\u952e\u5b57\u7684\u65e5\u5fd7\u884c\u3002 \u4e09\u3001\u8fc7\u6ee4\u65e5\u5fd7\u4fe1\u606f \u6709\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u5173\u5fc3\u67d0\u4e2a\u7279\u5b9a\u7684\u65e5\u5fd7\u7c7b\u578b\u6216\u8005\u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684\u65e5\u5fd7\u4fe1\u606f\u3002\u8fd9\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u6765\u8fc7\u6ee4\u65e5\u5fd7\u4fe1\u606f\u3002 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\u9664\u4e86\u4f7f\u7528Linux\u547d\u4ee4\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u65e5\u5fd7\u5206\u6790\u5de5\u5177\u6765\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u3002 awk\u547d\u4ee4 awk\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5bf9\u65e5\u5fd7\u6587\u4ef6\u8fdb\u884c\u89e3\u6790\u548c\u5206\u6790\u3002 \u4f8b\u5982\uff0c\u6211\u4eec\u8981\u7edf\u8ba1\u6bcf\u4e2a\u5c0f\u65f6\u5185\u9519\u8bef\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a awk 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