{"id":61971,"date":"2025-04-29T12:57:32","date_gmt":"2025-04-29T04:57:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61971\/"},"modified":"2025-04-29T12:57:32","modified_gmt":"2025-04-29T04:57:32","slug":"linux%e4%b8%8b%e5%ae%9e%e7%8e%b0%e5%ae%9e%e6%97%b6%e5%ba%94%e7%94%a8%e6%97%a5%e5%bf%97%e5%88%86%e6%9e%90%e7%9a%84%e6%96%b9%e6%b3%95%e5%92%8c%e6%8a%80%e5%b7%a7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61971\/","title":{"rendered":"Linux\u4e0b\u5b9e\u73b0\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u5206\u6790\u7684\u65b9\u6cd5\u548c\u6280\u5de7"},"content":{"rendered":"<p>\u4e0b\u5b9e\u73b0\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u5206\u6790\u7684\u65b9\u6cd5\u548c\u6280\u5de7<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u5728\u5904\u7406\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u65f6\uff0cLinux\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8bb8\u591a\u65b9\u6cd5\u548c\u5de5\u5177\u6765\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff0c\u4ee5\u4fbf\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u4f7f\u7528tail\u547d\u4ee4\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7<br \/>tail\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u65b0\u5185\u5bb9\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tail\u547d\u4ee4\u52a0\u4e0a-f\u53c2\u6570\u6765\u5b9e\u65f6\u67e5\u770b\u5e94\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>tail -f \/path\/to\/logfile<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u65b0\u5185\u5bb9\uff0c\u5e76\u4e14\u968f\u7740\u65e5\u5fd7\u7684\u66f4\u65b0\uff0c\u5185\u5bb9\u4f1a\u4e0d\u65ad\u5237\u65b0\u663e\u793a\u5728\u7ec8\u7aef\u4e0a\u3002<\/p>\n<p>\u4e8c\u3001\u4f7f\u7528grep\u547d\u4ee4\u8fc7\u6ee4\u5173\u952e\u8bcd<br \/>grep\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\uff0c\u53ef\u4ee5\u6839\u636e\u5173\u952e\u8bcd\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u67e5\u627e\u5339\u914d\u7684\u884c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u6765\u8fc7\u6ee4\u51fa\u4e0e\u6211\u4eec\u5173\u6ce8\u7684\u5185\u5bb9\u76f8\u5173\u7684\u65e5\u5fd7\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>tail -f \/path\/to\/logfile | grep \"\u5173\u952e\u8bcd\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e09\u3001\u4f7f\u7528awk\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406<br \/>awk\u662f\u4e00\u4e2a\u5904\u7406\u6587\u672c\u6587\u4ef6\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u6765\u5904\u7406\u6bcf\u4e00\u884c\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528awk\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u6790\uff0c\u63d0\u53d6\u6211\u4eec\u60f3\u8981\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>tail -f \/path\/to\/logfile | awk '{print $1, $4}'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u547d\u4ee4\u4f1a\u5c06\u65e5\u5fd7\u6587\u4ef6\u7684\u65f6\u95f4\u548c\u5185\u5bb9\u63d0\u53d6\u51fa\u6765\u5e76\u6253\u5370\u51fa\u6765\u3002<\/p>\n<p>\u56db\u3001\u4f7f\u7528sed\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u66ff\u6362\u548c\u7f16\u8f91<br \/>sed\u662f\u4e00\u4e2a\u6d41\u5f0f\u6587\u672c\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u5bf9\u6587\u672c\u8fdb\u884c\u66ff\u6362\u3001\u5220\u9664\u3001\u63d2\u5165\u548c\u6253\u5370\u7b49\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sed\u547d\u4ee4\u5bf9\u65e5\u5fd7\u6587\u4ef6\u8fdb\u884c\u4e00\u4e9b\u7f16\u8f91\u64cd\u4f5c\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u8fdb\u884c\u5206\u6790\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>tail -f \/path\/to\/logfile | sed 's\/foo\/bar\/g'<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u547d\u4ee4\u4f1a\u5c06\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684&#8217;foo&#8217;\u66ff\u6362\u4e3a&#8217;bar&#8217;\u3002<\/p>\n<p>\u4e94\u3001\u4f7f\u7528logrotate\u547d\u4ee4\u5206\u5272\u65e5\u5fd7\u6587\u4ef6<br \/>logrotate\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\u7ba1\u7406\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u5bf9\u65e5\u5fd7\u6587\u4ef6\u8fdb\u884c\u5206\u5272\u3001\u538b\u7f29\u548c\u5220\u9664\u7b49\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528logrotate\u547d\u4ee4\u6765\u5b9a\u671f\u5206\u5272\u5e94\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u4ee5\u514d\u6587\u4ef6\u8fc7\u5927\u5f71\u54cd\u6027\u80fd\u3002<\/p>\n<p>\u793a\u4f8b\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre>\/path\/to\/logfile {\n    size 10M\n    rotate 5\n    compress\n    delaycompress\n    missingok\n    notifempty\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u914d\u7f6e\u6587\u4ef6\u4f1a\u5728\u65e5\u5fd7\u6587\u4ef6\u8fbe\u523010M\u540e\u8fdb\u884c\u5206\u5272\uff0c\u6700\u591a\u4fdd\u75595\u4e2a\u65e7\u6587\u4ef6\uff0c\u5e76\u5bf9\u65e7\u6587\u4ef6\u8fdb\u884c\u538b\u7f29\u3002<\/p>\n<p>\u516d\u3001\u4f7f\u7528ELK Stack\u8fdb\u884c\u96c6\u4e2d\u5316\u65e5\u5fd7\u5206\u6790<br \/>ELK Stack\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u5f00\u6e90\u65e5\u5fd7\u5206\u6790\u5e73\u53f0\uff0c\u7531Elasticsearch\u3001Logstash\u548cKibana\u7ec4\u6210\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u5e73\u53f0\u6765\u96c6\u4e2d\u7ba1\u7406\u548c\u5206\u6790\u5e94\u7528\u7684\u65e5\u5fd7\uff0c\u901a\u8fc7\u5f3a\u5927\u7684\u641c\u7d22\u3001\u53ef\u89c6\u5316\u548c\u62a5\u8868\u529f\u80fd\u6765\u5e2e\u52a9\u6545\u969c\u5b9a\u4f4d\u548c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n<p>\u7ed3\u8bed\uff1a<br \/>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Linux\u4e0b\u5b9e\u73b0\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u5206\u6790\uff0c\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\uff0c\u8c22\u8c22\u9605\u8bfb\uff01<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux\u4e0b\u5b9e\u73b0\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u5206\u6790\u7684\u65b9\u6cd5\u548c\u6280\u5de7\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>\u4e0b\u5b9e\u73b0\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u5206\u6790\u7684\u65b9\u6cd5\u548c\u6280\u5de7 \u5f15\u8a00\uff1a\u5728\u5904\u7406\u5b9e\u65f6\u5e94\u7528\u65e5\u5fd7\u65f6\uff0cLinux\u7cfb\u7edf\u63d0\u4f9b\u4e86\u8bb8\u591a\u65b9\u6cd5\u548c\u5de5\u5177\u6765\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\uff0c\u4ee5\u4fbf\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u4f7f\u7528tail\u547d\u4ee4\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7tail\u662f\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u65b0\u5185\u5bb9\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tail\u547d\u4ee4\u52a0\u4e0a-f\u53c2\u6570\u6765\u5b9e\u65f6\u67e5\u770b\u5e94\u7528\u7684\u65e5\u5fd7\u6587\u4ef6\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a tail -f \/path\/to\/logfile \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u4ee5\u4e0a\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u6700\u65b0\u5185\u5bb9\uff0c\u5e76\u4e14\u968f\u7740\u65e5\u5fd7\u7684\u66f4\u65b0\uff0c\u5185\u5bb9\u4f1a\u4e0d\u65ad\u5237\u65b0\u663e\u793a\u5728\u7ec8\u7aef\u4e0a\u3002 \u4e8c\u3001\u4f7f\u7528grep\u547d\u4ee4\u8fc7\u6ee4\u5173\u952e\u8bcdgrep\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u6587\u672c\u641c\u7d22\u5de5\u5177\uff0c\u53ef\u4ee5\u6839\u636e\u5173\u952e\u8bcd\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u67e5\u627e\u5339\u914d\u7684\u884c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528grep\u547d\u4ee4\u6765\u8fc7\u6ee4\u51fa\u4e0e\u6211\u4eec\u5173\u6ce8\u7684\u5185\u5bb9\u76f8\u5173\u7684\u65e5\u5fd7\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a tail -f \/path\/to\/logfile | grep &#8220;\u5173\u952e\u8bcd&#8221; \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u4f7f\u7528awk\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406awk\u662f\u4e00\u4e2a\u5904\u7406\u6587\u672c\u6587\u4ef6\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u6765\u5904\u7406\u6bcf\u4e00\u884c\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528awk\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u5206\u6790\uff0c\u63d0\u53d6\u6211\u4eec\u60f3\u8981\u7684\u4fe1\u606f\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a tail -f \/path\/to\/logfile | awk &#8216;{print $1, $4}&#8217; \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u547d\u4ee4\u4f1a\u5c06\u65e5\u5fd7\u6587\u4ef6\u7684\u65f6\u95f4\u548c\u5185\u5bb9\u63d0\u53d6\u51fa\u6765\u5e76\u6253\u5370\u51fa\u6765\u3002 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