{"id":63622,"date":"2025-04-29T08:59:29","date_gmt":"2025-04-29T00:59:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/63622\/"},"modified":"2025-04-29T08:59:29","modified_gmt":"2025-04-29T00:59:29","slug":"linux%e7%b3%bb%e7%bb%9f%e6%97%a5%e5%bf%97%e6%80%8e%e4%b9%88%e7%9c%8b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/63622\/","title":{"rendered":"linux\u7cfb\u7edf\u65e5\u5fd7\u600e\u4e48\u770b"},"content":{"rendered":"<blockquote><p>\n  \u8981\u67e5\u770b linux \u7cfb\u7edf\u65e5\u5fd7\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a\u4f7f\u7528 cat \u547d\u4ee4\u67e5\u770b\u7279\u5b9a\u65e5\u5fd7\u6587\u4ef6\u4f7f\u7528 journalctl \u67e5\u770b systemd \u65e5\u5fd7\u5e76\u8fdb\u884c\u9ad8\u7ea7\u8fc7\u6ee4\u4f7f\u7528 tail \u547d\u4ee4\u5b9e\u65f6\u76d1\u63a7\u65e5\u5fd7\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/03\/2024060312122062145.jpg\" class=\"aligncenter\" title=\"linux\u7cfb\u7edf\u65e5\u5fd7\u600e\u4e48\u770b\u63d2\u56fe\" alt=\"linux\u7cfb\u7edf\u65e5\u5fd7\u600e\u4e48\u770b\u63d2\u56fe\" \/><\/p>\n<p><strong>\u67e5\u770b Linux \u7cfb\u7edf\u65e5\u5fd7\u7684\u6307\u5357<\/strong><\/p>\n<p><strong>\u524d\u8a00<\/strong><br \/>\u7cfb\u7edf\u65e5\u5fd7\u662f Linux \u4e2d\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u5de5\u5177\uff0c\u53ef\u8bb0\u5f55\u7cfb\u7edf\u4e8b\u4ef6\u3001\u9519\u8bef\u548c\u6d3b\u52a8\u3002\u901a\u8fc7\u67e5\u770b\u8fd9\u4e9b\u65e5\u5fd7\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u8bca\u65ad\u95ee\u9898\u3001\u76d1\u63a7\u7cfb\u7edf\u5065\u5eb7\u5e76\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u3002\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u5404\u79cd\u547d\u4ee4\u548c\u5de5\u5177\u5728 Linux \u7cfb\u7edf\u4e0a\u67e5\u770b\u65e5\u5fd7\u3002<\/p>\n<p><strong>\u5de5\u5177\u548c\u547d\u4ee4<\/strong><\/p>\n<ul>\n<li> <strong>dmesg<\/strong>\uff1a\u663e\u793a\u5185\u6838\u65e5\u5fd7\u3002<\/li>\n<li> <strong>\/var\/log\/messages<\/strong>\uff1a\u5305\u542b\u7cfb\u7edf\u7ea7\u522b\u548c\u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7\u3002<\/li>\n<li> <strong>\/var\/log\/syslog<\/strong>\uff1a\u4e0e \/var\/log\/messages \u76f8\u540c\u3002<\/li>\n<li> <strong>\/var\/log\/auth.log<\/strong>\uff1a\u8bb0\u5f55\u4e0e\u8eab\u4efd\u9a8c\u8bc1\u76f8\u5173\u7684\u4fe1\u606f\u3002<\/li>\n<li> <strong>journalctl<\/strong>\uff1a\u4f7f\u7528 systemd \u65e5\u5fd7\u7684\u66f4\u9ad8\u7ea7\u5de5\u5177\u3002<\/li>\n<\/ul>\n<p><strong>\u67e5\u770b\u7279\u5b9a\u65e5\u5fd7\u6587\u4ef6<\/strong><\/p>\n<p>\u4e3a\u4e86\u67e5\u770b\u7279\u5b9a\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ea\u9700\u4f7f\u7528 cat \u547d\u4ee4\uff1a<\/p>\n<pre>cat \/var\/log\/messages<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u663e\u793a \/var\/log\/messages \u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<p><strong>\u4f7f\u7528 journalctl<\/strong><\/p>\n<p>journalctl \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u67e5\u770b\u3001\u8fc7\u6ee4\u548c\u7ba1\u7406 systemd \u65e5\u5fd7\uff1a<\/p>\n<pre># \u67e5\u770b\u6240\u6709\u65e5\u5fd7\u6761\u76ee\njournalctl\n\n# \u8fc7\u6ee4\u65e5\u5fd7\u6761\u76ee\njournalctl -u &lt;\u5355\u5143\u540d\u79f0&gt;\n\n# \u5b9e\u65f6\u663e\u793a\u65e5\u5fd7\u6761\u76ee\njournalctl -f<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u9ad8\u7ea7\u8fc7\u6ee4\u5668<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u9ad8\u7ea7\u8fc7\u6ee4\u5668\u6765\u6309\u65e5\u5fd7\u7ea7\u522b\u3001\u65f6\u95f4\u8303\u56f4\u6216\u5176\u4ed6\u6807\u51c6\u8fc7\u6ee4\u65e5\u5fd7\u6761\u76ee\u3002\u4f8b\u5982\uff0c\u8981\u4ec5\u67e5\u770b\u9519\u8bef\u6d88\u606f\uff1a<\/p>\n<pre>journalctl -p err<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5b9e\u65f6\u76d1\u63a7<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528 tail \u547d\u4ee4\u5b9e\u65f6\u76d1\u63a7\u65e5\u5fd7\uff1a<\/p>\n<pre>tail -f \/var\/log\/messages<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u5728\u521b\u5efa\u65b0\u65e5\u5fd7\u6761\u76ee\u65f6\u5b9e\u65f6\u663e\u793a\u5b83\u4eec\u3002<\/p>\n<p><strong>\u7406\u89e3\u65e5\u5fd7\u6761\u76ee<\/strong><\/p>\n<p>\u65e5\u5fd7\u6761\u76ee\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u65f6\u95f4\u6233<\/li>\n<li>\u65e5\u5fd7\u7ea7\u522b\uff08\u4f8b\u5982\uff0cinfo\u3001warning\u3001error\uff09<\/li>\n<li>\u6765\u6e90\uff08\u4f8b\u5982\uff0c\u5e94\u7528\u7a0b\u5e8f\u6216\u5185\u6838\u6a21\u5757\uff09<\/li>\n<li>\u6d88\u606f\u6587\u672c<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4e86\u89e3\u8fd9\u4e9b\u4fe1\u606f\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u5feb\u901f\u8bc6\u522b\u5e76\u89e3\u51b3\u7cfb\u7edf\u95ee\u9898\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u7cfb\u7edf\u65e5\u5fd7\u600e\u4e48\u770b\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>\u8981\u67e5\u770b linux \u7cfb\u7edf\u65e5\u5fd7\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a\u4f7f\u7528 cat \u547d\u4ee4\u67e5\u770b\u7279\u5b9a\u65e5\u5fd7\u6587\u4ef6\u4f7f\u7528 journalctl \u67e5\u770b systemd \u65e5\u5fd7\u5e76\u8fdb\u884c\u9ad8\u7ea7\u8fc7\u6ee4\u4f7f\u7528 tail \u547d\u4ee4\u5b9e\u65f6\u76d1\u63a7\u65e5\u5fd7 \u67e5\u770b Linux \u7cfb\u7edf\u65e5\u5fd7\u7684\u6307\u5357 \u524d\u8a00\u7cfb\u7edf\u65e5\u5fd7\u662f Linux \u4e2d\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u5de5\u5177\uff0c\u53ef\u8bb0\u5f55\u7cfb\u7edf\u4e8b\u4ef6\u3001\u9519\u8bef\u548c\u6d3b\u52a8\u3002\u901a\u8fc7\u67e5\u770b\u8fd9\u4e9b\u65e5\u5fd7\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u8bca\u65ad\u95ee\u9898\u3001\u76d1\u63a7\u7cfb\u7edf\u5065\u5eb7\u5e76\u4fdd\u6301\u7cfb\u7edf\u5b89\u5168\u3002\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u5404\u79cd\u547d\u4ee4\u548c\u5de5\u5177\u5728 Linux \u7cfb\u7edf\u4e0a\u67e5\u770b\u65e5\u5fd7\u3002 \u5de5\u5177\u548c\u547d\u4ee4 dmesg\uff1a\u663e\u793a\u5185\u6838\u65e5\u5fd7\u3002 \/var\/log\/messages\uff1a\u5305\u542b\u7cfb\u7edf\u7ea7\u522b\u548c\u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7\u3002 \/var\/log\/syslog\uff1a\u4e0e \/var\/log\/messages \u76f8\u540c\u3002 \/var\/log\/auth.log\uff1a\u8bb0\u5f55\u4e0e\u8eab\u4efd\u9a8c\u8bc1\u76f8\u5173\u7684\u4fe1\u606f\u3002 journalctl\uff1a\u4f7f\u7528 systemd \u65e5\u5fd7\u7684\u66f4\u9ad8\u7ea7\u5de5\u5177\u3002 \u67e5\u770b\u7279\u5b9a\u65e5\u5fd7\u6587\u4ef6 \u4e3a\u4e86\u67e5\u770b\u7279\u5b9a\u65e5\u5fd7\u6587\u4ef6\uff0c\u53ea\u9700\u4f7f\u7528 cat \u547d\u4ee4\uff1a cat \/var\/log\/messages \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u663e\u793a \/var\/log\/messages \u6587\u4ef6\u7684\u5185\u5bb9\u3002 \u4f7f\u7528 journalctl journalctl \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u67e5\u770b\u3001\u8fc7\u6ee4\u548c\u7ba1\u7406 systemd \u65e5\u5fd7\uff1a # \u67e5\u770b\u6240\u6709\u65e5\u5fd7\u6761\u76ee journalctl # \u8fc7\u6ee4\u65e5\u5fd7\u6761\u76ee journalctl -u &lt;\u5355\u5143\u540d\u79f0&gt; # \u5b9e\u65f6\u663e\u793a\u65e5\u5fd7\u6761\u76ee 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