{"id":16454,"date":"2024-11-18T09:09:09","date_gmt":"2024-11-18T01:09:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16454\/"},"modified":"2024-11-18T09:09:09","modified_gmt":"2024-11-18T01:09:09","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87linux%e6%97%a5%e5%bf%97%e5%88%86%e6%9e%90%e6%8f%90%e9%ab%98%e7%b3%bb%e7%bb%9f%e6%80%a7%e8%83%bd%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16454\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7Linux\u65e5\u5fd7\u5206\u6790\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\uff1f"},"content":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7linux\u65e5\u5fd7\u5206\u6790\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\uff1f<\/p>\n<p>\u6458\u8981\uff1aLinux\u7cfb\u7edf\u65e5\u5fd7\u662f\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u548c\u6545\u969c\u6392\u67e5\u7684\u91cd\u8981\u4f9d\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7Linux\u65e5\u5fd7\u5206\u6790\u6765\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002<\/p>\n<p>\u5f15\u8a00\uff1a\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u65e5\u5fd7\u6587\u4ef6\u5305\u542b\u4e86\u7cfb\u7edf\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u5404\u79cd\u4fe1\u606f\uff0c\u5305\u62ec\u7cfb\u7edf\u8fdb\u7a0b\u3001\u7f51\u7edc\u8fde\u63a5\u3001\u9519\u8bef\u4fe1\u606f\u7b49\u7b49\u3002\u901a\u8fc7\u5206\u6790\u8fd9\u4e9b\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u53d1\u73b0\u7cfb\u7edf\u7684\u6027\u80fd\u74f6\u9888\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\u3002<\/p>\n<p>\u4e00\u3001\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7<br \/>\u8981\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\uff0c\u9996\u5148\u9700\u8981\u67e5\u770b\u7cfb\u7edf\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u5728\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u4e2d\uff0c\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u5728\/var\/log\u76ee\u5f55\u4e0b\u3002\u5e38\u89c1\u7684\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\/var\/log\/messages\uff1a\u5305\u542b\u4e86\u5927\u591a\u6570\u7cfb\u7edf\u6d88\u606f\u548c\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n<li>\/var\/log\/dmesg\uff1a\u5305\u542b\u4e86\u5185\u6838\u542f\u52a8\u65f6\u7684\u4fe1\u606f\u3002<\/li>\n<li>\/var\/log\/syslog\uff1a\u5305\u542b\u4e86\u7cfb\u7edf\u65e5\u5fd7\u7684\u6240\u6709\u4fe1\u606f\u3002<\/li>\n<\/ol>\n<p>\u4f7f\u7528cat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>cat \/var\/log\/messages<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e8c\u3001\u4f7f\u7528grep\u8fc7\u6ee4\u65e5\u5fd7<br \/>\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u975e\u5e38\u5e9e\u5927\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528grep\u547d\u4ee4\u6765\u8fc7\u6ee4\u51fa\u6211\u4eec\u5173\u6ce8\u7684\u5185\u5bb9\u3002grep\u547d\u4ee4\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u5173\u952e\u5b57\u6765\u641c\u7d22\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u5c06\u5339\u914d\u7684\u884c\u8f93\u51fa\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684\u547d\u4ee4\u6765\u67e5\u627e\u6240\u6709\u5305\u542b\u201cerror\u201d\u7684\u884c\uff1a<\/p>\n<pre>grep \"error\" \/var\/log\/messages<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e09\u3001\u5206\u6790\u65e5\u5fd7\u4fe1\u606f<br \/>\u901a\u8fc7grep\u8fc7\u6ee4\u51fa\u5173\u952e\u4fe1\u606f\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u5206\u6790\u65e5\u5fd7\u4fe1\u606f\u3002\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\uff0c\u6211\u4eec\u53ef\u4ee5\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u7684\u5185\u5bb9\uff1a<\/p>\n<ol>\n<li>CPU\u5229\u7528\u7387\uff1a\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u4e2d\u7684CPU\u5229\u7528\u7387\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728CPU\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1a\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u4e2d\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u5185\u5b58\u4e0d\u8db3\u7684\u95ee\u9898\u3002<\/li>\n<li>\u78c1\u76d8IO\u6027\u80fd\uff1a\u901a\u8fc7\u67e5\u770b\u78c1\u76d8IO\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u78c1\u76d8IO\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>\u7f51\u7edc\u8fde\u63a5\uff1a\u901a\u8fc7\u67e5\u770b\u7f51\u7edc\u8fde\u63a5\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u7f51\u7edc\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ol>\n<p>\u56db\u3001\u4f7f\u7528awk\u548csed\u8fdb\u884c\u5206\u6790<br \/>\u9664\u4e86grep\u547d\u4ee4\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528awk\u548csed\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n<p>awk\u662f\u4e00\u6b3e\u5f3a\u5927\u7684\u6587\u672c\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u6765\u5904\u7406\u6587\u672c\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528awk\u547d\u4ee4\u7edf\u8ba1\u65e5\u5fd7\u4e2d\u9519\u8bef\u4fe1\u606f\u6570\u91cf\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>awk '\/error\/ {count++} END {print count}' \/var\/log\/messages<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>sed\u662f\u4e00\u6b3e\u6d41\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u5bf9\u6587\u672c\u8fdb\u884c\u66ff\u6362\u548c\u7f16\u8f91\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528sed\u547d\u4ee4\u5c06\u65e5\u5fd7\u4e2d\u7684\u5173\u952e\u5b57\u66ff\u6362\u6210\u5176\u4ed6\u5b57\u7b26\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>sed 's\/error\/ERROR\/g' \/var\/log\/messages &amp;gt; \/var\/log\/messages_new<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e94\u3001\u5b9a\u671f\u5206\u6790\u65e5\u5fd7<br \/>\u7cfb\u7edf\u65e5\u5fd7\u662f\u5b9e\u65f6\u751f\u6210\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5b9a\u671f\u5206\u6790\u548c\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\u3002\u53ef\u4ee5\u4f7f\u7528\u5b9a\u65f6\u4efb\u52a1\uff08\u5982cron\uff09\u6216\u8005\u8bbe\u7f6e\u65e5\u5fd7\u5206\u6790\u811a\u672c\u6765\u5b9e\u73b0\u5b9a\u671f\u5206\u6790\u3002<\/p>\n<p>\u516d\u3001\u7ed3\u8bba<br \/>\u901a\u8fc7Linux\u65e5\u5fd7\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u7cfb\u7edf\u7684\u6027\u80fd\u95ee\u9898\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\u3001\u4f7f\u7528grep\u8fc7\u6ee4\u65e5\u5fd7\u3001\u5206\u6790\u65e5\u5fd7\u4fe1\u606f\u4ee5\u53ca\u4f7f\u7528awk\u548csed\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u6790\u3002\u5e0c\u671b\u8bfb\u8005\u901a\u8fc7\u672c\u6587\u7684\u5185\u5bb9\uff0c\u80fd\u591f\u66f4\u597d\u5730\u5229\u7528Linux\u65e5\u5fd7\u5206\u6790\u6765\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<p>\u53c2\u8003\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre># \u7edf\u8ba1\u65e5\u5fd7\u4e2dERROR\u5173\u952e\u5b57\u7684\u6570\u91cf\nawk '\/ERROR\/ {count++} END {print count}' \/var\/log\/messages<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    <\/p>\n<pre># \u5c06\u65e5\u5fd7\u4e2d\u7684\"error\"\u66ff\u6362\u4e3a\"ERROR\"\nsed 's\/error\/ERROR\/g' \/var\/log\/messages &amp;gt; \/var\/log\/messages_new<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236    <\/p>\n<pre># \u6bcf\u96941\u5c0f\u65f6\u5206\u6790\u4e00\u6b21\u65e5\u5fd7\n0 * * * * \/path\/to\/log_analysis.sh<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u901a\u8fc7Linux\u65e5\u5fd7\u5206\u6790\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\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\u901a\u8fc7linux\u65e5\u5fd7\u5206\u6790\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\uff1f \u6458\u8981\uff1aLinux\u7cfb\u7edf\u65e5\u5fd7\u662f\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u548c\u6545\u969c\u6392\u67e5\u7684\u91cd\u8981\u4f9d\u636e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7Linux\u65e5\u5fd7\u5206\u6790\u6765\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u3002 \u5f15\u8a00\uff1a\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u65e5\u5fd7\u6587\u4ef6\u5305\u542b\u4e86\u7cfb\u7edf\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u5404\u79cd\u4fe1\u606f\uff0c\u5305\u62ec\u7cfb\u7edf\u8fdb\u7a0b\u3001\u7f51\u7edc\u8fde\u63a5\u3001\u9519\u8bef\u4fe1\u606f\u7b49\u7b49\u3002\u901a\u8fc7\u5206\u6790\u8fd9\u4e9b\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u53d1\u73b0\u7cfb\u7edf\u7684\u6027\u80fd\u74f6\u9888\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u4f18\u5316\u63aa\u65bd\u3002 \u4e00\u3001\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\u8981\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\uff0c\u9996\u5148\u9700\u8981\u67e5\u770b\u7cfb\u7edf\u7684\u65e5\u5fd7\u6587\u4ef6\u3002\u5728\u5927\u591a\u6570Linux\u53d1\u884c\u7248\u4e2d\uff0c\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u5728\/var\/log\u76ee\u5f55\u4e0b\u3002\u5e38\u89c1\u7684\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\u5305\u62ec\uff1a \/var\/log\/messages\uff1a\u5305\u542b\u4e86\u5927\u591a\u6570\u7cfb\u7edf\u6d88\u606f\u548c\u9519\u8bef\u4fe1\u606f\u3002 \/var\/log\/dmesg\uff1a\u5305\u542b\u4e86\u5185\u6838\u542f\u52a8\u65f6\u7684\u4fe1\u606f\u3002 \/var\/log\/syslog\uff1a\u5305\u542b\u4e86\u7cfb\u7edf\u65e5\u5fd7\u7684\u6240\u6709\u4fe1\u606f\u3002 \u4f7f\u7528cat\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u65e5\u5fd7\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4f8b\u5982\uff1a cat \/var\/log\/messages \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u4f7f\u7528grep\u8fc7\u6ee4\u65e5\u5fd7\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\u901a\u5e38\u975e\u5e38\u5e9e\u5927\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528grep\u547d\u4ee4\u6765\u8fc7\u6ee4\u51fa\u6211\u4eec\u5173\u6ce8\u7684\u5185\u5bb9\u3002grep\u547d\u4ee4\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u5173\u952e\u5b57\u6765\u641c\u7d22\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u5c06\u5339\u914d\u7684\u884c\u8f93\u51fa\u3002 \u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684\u547d\u4ee4\u6765\u67e5\u627e\u6240\u6709\u5305\u542b\u201cerror\u201d\u7684\u884c\uff1a grep &#8220;error&#8221; \/var\/log\/messages \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u5206\u6790\u65e5\u5fd7\u4fe1\u606f\u901a\u8fc7grep\u8fc7\u6ee4\u51fa\u5173\u952e\u4fe1\u606f\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u5206\u6790\u65e5\u5fd7\u4fe1\u606f\u3002\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\uff0c\u6211\u4eec\u53ef\u4ee5\u5173\u6ce8\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u7684\u5185\u5bb9\uff1a CPU\u5229\u7528\u7387\uff1a\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u4e2d\u7684CPU\u5229\u7528\u7387\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728CPU\u6027\u80fd\u74f6\u9888\u3002 \u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1a\u901a\u8fc7\u67e5\u770b\u65e5\u5fd7\u4e2d\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u5185\u5b58\u4e0d\u8db3\u7684\u95ee\u9898\u3002 \u78c1\u76d8IO\u6027\u80fd\uff1a\u901a\u8fc7\u67e5\u770b\u78c1\u76d8IO\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u78c1\u76d8IO\u6027\u80fd\u74f6\u9888\u3002 \u7f51\u7edc\u8fde\u63a5\uff1a\u901a\u8fc7\u67e5\u770b\u7f51\u7edc\u8fde\u63a5\u76f8\u5173\u7684\u65e5\u5fd7\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u7f51\u7edc\u6027\u80fd\u95ee\u9898\u3002 \u56db\u3001\u4f7f\u7528awk\u548csed\u8fdb\u884c\u5206\u6790\u9664\u4e86grep\u547d\u4ee4\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528awk\u548csed\u547d\u4ee4\u5bf9\u65e5\u5fd7\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u5206\u6790\u548c\u5904\u7406\u3002 awk\u662f\u4e00\u6b3e\u5f3a\u5927\u7684\u6587\u672c\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u6765\u5904\u7406\u6587\u672c\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528awk\u547d\u4ee4\u7edf\u8ba1\u65e5\u5fd7\u4e2d\u9519\u8bef\u4fe1\u606f\u6570\u91cf\u7684\u793a\u4f8b\uff1a awk &#8216;\/error\/ {count++} END {print count}&#8217; \/var\/log\/messages \u767b\u5f55\u540e\u590d\u5236 sed\u662f\u4e00\u6b3e\u6d41\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u5bf9\u6587\u672c\u8fdb\u884c\u66ff\u6362\u548c\u7f16\u8f91\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528sed\u547d\u4ee4\u5c06\u65e5\u5fd7\u4e2d\u7684\u5173\u952e\u5b57\u66ff\u6362\u6210\u5176\u4ed6\u5b57\u7b26\u7684\u793a\u4f8b\uff1a sed &#8216;s\/error\/ERROR\/g&#8217; \/var\/log\/messages &amp;gt; \/var\/log\/messages_new \u767b\u5f55\u540e\u590d\u5236 \u4e94\u3001\u5b9a\u671f\u5206\u6790\u65e5\u5fd7\u7cfb\u7edf\u65e5\u5fd7\u662f\u5b9e\u65f6\u751f\u6210\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u5b9a\u671f\u5206\u6790\u548c\u76d1\u63a7\u65e5\u5fd7\u6587\u4ef6\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u7cfb\u7edf\u6027\u80fd\u95ee\u9898\u3002\u53ef\u4ee5\u4f7f\u7528\u5b9a\u65f6\u4efb\u52a1\uff08\u5982cron\uff09\u6216\u8005\u8bbe\u7f6e\u65e5\u5fd7\u5206\u6790\u811a\u672c\u6765\u5b9e\u73b0\u5b9a\u671f\u5206\u6790\u3002 \u516d\u3001\u7ed3\u8bba\u901a\u8fc7Linux\u65e5\u5fd7\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u7cfb\u7edf\u7684\u6027\u80fd\u95ee\u9898\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\u3001\u4f7f\u7528grep\u8fc7\u6ee4\u65e5\u5fd7\u3001\u5206\u6790\u65e5\u5fd7\u4fe1\u606f\u4ee5\u53ca\u4f7f\u7528awk\u548csed\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u6790\u3002\u5e0c\u671b\u8bfb\u8005\u901a\u8fc7\u672c\u6587\u7684\u5185\u5bb9\uff0c\u80fd\u591f\u66f4\u597d\u5730\u5229\u7528Linux\u65e5\u5fd7\u5206\u6790\u6765\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002 \u53c2\u8003\u4ee3\u7801\u793a\u4f8b\uff1a # \u7edf\u8ba1\u65e5\u5fd7\u4e2dERROR\u5173\u952e\u5b57\u7684\u6570\u91cf awk &#8216;\/ERROR\/ {count++} END {print count}&#8217; \/var\/log\/messages \u767b\u5f55\u540e\u590d\u5236 # \u5c06\u65e5\u5fd7\u4e2d\u7684&#8221;error&#8221;\u66ff\u6362\u4e3a&#8221;ERROR&#8221; sed 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