{"id":210614,"date":"2023-12-22T06:44:20","date_gmt":"2023-12-21T22:44:20","guid":{"rendered":"https:\/\/www.idc.net\/help\/210614\/"},"modified":"2023-12-22T06:44:20","modified_gmt":"2023-12-21T22:44:20","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9ajournalctl-%e6%9f%a5%e8%af%a2-systemd-%e6%97%a5%e5%bf%97","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/210614\/","title":{"rendered":"Linux \u547d\u4ee4\uff1ajournalctl &#8211; \u67e5\u8be2 systemd \u65e5\u5fd7"},"content":{"rendered":"<p><title id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9ajournalctl-%e6%9f%a5%e8%af%a2-systemd-%e6%97%a5%e5%bf%97-dHvJAwoydZ\">Linux \u547d\u4ee4\uff1ajournalctl - \u67e5\u8be2 systemd \u65e5\u5fd7<\/title><\/p>\n<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9ajournalctl-%e6%9f%a5%e8%af%a2-systemd-%e6%97%a5%e5%bf%97-dHvJAwoydZ\">Linux \u547d\u4ee4\uff1ajournalctl - \u67e5\u8be2 systemd \u65e5\u5fd7<\/h1>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0csystemd\u662f\u4e00\u4e2a\u7cfb\u7edf\u548c\u670d\u52a1\u7ba1\u7406\u5668\uff0c\u5b83\u8d1f\u8d23\u542f\u52a8\u3001\u505c\u6b62\u548c\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u5404\u79cd\u670d\u52a1\u3002journalctl\u662fsystemd\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u7528\u4e8e\u67e5\u8be2\u548c\u5206\u6790\u7cfb\u7edf\u65e5\u5fd7\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528journalctl\u547d\u4ee4\u6765\u67e5\u8be2systemd\u65e5\u5fd7\u3002<\/p>\n<h2 id=\"1-%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-dHvJAwoydZ\">1. \u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u8981\u4f7f\u7528journalctl\u547d\u4ee4\u67e5\u8be2systemd\u65e5\u5fd7\uff0c\u53ea\u9700\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p><code>journalctl<\/code><\/p>\n<p>\u8fd9\u5c06\u663e\u793a\u7cfb\u7edf\u7684\u6240\u6709\u65e5\u5fd7\u6761\u76ee\uff0c\u4ece\u6700\u65b0\u7684\u5f00\u59cb\u663e\u793a\u3002<\/p>\n<h2 id=\"2-%e8%bf%87%e6%bb%a4%e6%97%a5%e5%bf%97-dHvJAwoydZ\">2. \u8fc7\u6ee4\u65e5\u5fd7<\/h2>\n<p>\u5982\u679c\u8981\u8fc7\u6ee4\u663e\u793a\u7684\u65e5\u5fd7\u6761\u76ee\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u9009\u9879\u6765\u6307\u5b9a\u8fc7\u6ee4\u6761\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9009\u9879\uff1a<\/p>\n<ul>\n<li><code>-u<\/code>\uff1a\u6309\u5355\u5143\uff08unit\uff09\u8fc7\u6ee4\u65e5\u5fd7\uff0c\u53ef\u4ee5\u6307\u5b9a\u670d\u52a1\u540d\u6216\u8005\u670d\u52a1\u5355\u5143\u7684\u5b8c\u6574\u8def\u5f84\u3002<\/li>\n<li><code>-p<\/code>\uff1a\u6309\u4f18\u5148\u7ea7\u8fc7\u6ee4\u65e5\u5fd7\uff0c\u53ef\u4ee5\u6307\u5b9a\u4f18\u5148\u7ea7\u7684\u8303\u56f4\uff0c\u5982<code>0..3<\/code>\u8868\u793a\u663e\u793a\u4f18\u5148\u7ea7\u4e3a0\u52303\u7684\u65e5\u5fd7\u3002<\/li>\n<li><code>-b<\/code>\uff1a\u6309\u5f15\u5bfc\uff08boot\uff09\u8fc7\u6ee4\u65e5\u5fd7\uff0c\u53ef\u4ee5\u6307\u5b9a\u5f15\u5bfcID\u6216\u8005\u5f15\u5bfc\u5e8f\u53f7\u3002<\/li>\n<li><code>-S<\/code>\uff1a\u6309\u65f6\u95f4\u6233\u8fc7\u6ee4\u65e5\u5fd7\uff0c\u53ef\u4ee5\u6307\u5b9a\u8d77\u59cb\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u663e\u793a\u7279\u5b9a\u670d\u52a1\u7684\u65e5\u5fd7\uff0c\u53ef\u4ee5\u4f7f\u7528<code>-u<\/code>\u9009\u9879\uff0c\u540e\u9762\u8ddf\u4e0a\u670d\u52a1\u540d\u6216\u8005\u670d\u52a1\u5355\u5143\u7684\u5b8c\u6574\u8def\u5f84\u3002\u4f8b\u5982\uff1a<\/p>\n<p><code>journalctl -u sshd.service<\/code><\/p>\n<p>\u8fd9\u5c06\u663e\u793asshd\u670d\u52a1\u7684\u65e5\u5fd7\u3002<\/p>\n<h2 id=\"3-%e6%a0%bc%e5%bc%8f%e5%8c%96%e8%be%93%e5%87%ba-dHvJAwoydZ\">3. \u683c\u5f0f\u5316\u8f93\u51fa<\/h2>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cjournalctl\u547d\u4ee4\u4ee5\u4eba\u7c7b\u53ef\u8bfb\u7684\u65b9\u5f0f\u663e\u793a\u65e5\u5fd7\u3002\u5982\u679c\u9700\u8981\u4ee5\u5176\u4ed6\u683c\u5f0f\u663e\u793a\u65e5\u5fd7\uff0c\u53ef\u4ee5\u4f7f\u7528<code>-o<\/code>\u9009\u9879\u6307\u5b9a\u8f93\u51fa\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u8f93\u51fa\u683c\u5f0f\uff1a<\/p>\n<ul>\n<li><code>short<\/code>\uff1a\u7b80\u77ed\u683c\u5f0f\uff0c\u53ea\u663e\u793a\u5173\u952e\u4fe1\u606f\u3002<\/li>\n<li><code>short-iso<\/code>\uff1a\u7b80\u77edISO\u683c\u5f0f\uff0c\u5305\u62ec\u65f6\u95f4\u6233\u3002<\/li>\n<li><code>json<\/code>\uff1aJSON\u683c\u5f0f\u3002<\/li>\n<li><code>export<\/code>\uff1a\u5bfc\u51fa\u683c\u5f0f\uff0c\u9002\u7528\u4e8e\u5bfc\u51fa\u5230\u5176\u4ed6\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u4ee5JSON\u683c\u5f0f\u663e\u793a\u65e5\u5fd7\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p><code>journalctl -o json<\/code><\/p>\n<h2 id=\"4-%e9%ab%98%e7%ba%a7%e7%94%a8%e6%b3%95-dHvJAwoydZ\">4. \u9ad8\u7ea7\u7528\u6cd5<\/h2>\n<p>journalctl\u547d\u4ee4\u8fd8\u652f\u6301\u4e00\u4e9b\u9ad8\u7ea7\u7528\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528<code>-f<\/code>\u9009\u9879\u5b9e\u65f6\u663e\u793a\u65e5\u5fd7\u3002<\/li>\n<li>\u4f7f\u7528<code>--since<\/code>\u9009\u9879\u6307\u5b9a\u8d77\u59cb\u65f6\u95f4\u3002<\/li>\n<li>\u4f7f\u7528<code>--until<\/code>\u9009\u9879\u6307\u5b9a\u7ed3\u675f\u65f6\u95f4\u3002<\/li>\n<li>\u4f7f\u7528<code>--grep<\/code>\u9009\u9879\u6309\u5173\u952e\u5b57\u8fc7\u6ee4\u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u8981\u5b9e\u65f6\u663e\u793a\u65e5\u5fd7\u5e76\u6309\u5173\u952e\u5b57\u8fc7\u6ee4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p><code>journalctl -f --grep=\"error\"<\/code><\/p>\n<p>\u8fd9\u5c06\u5b9e\u65f6\u663e\u793a\u5305\u542b\u5173\u952e\u5b57\"error\"\u7684\u65e5\u5fd7\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-dHvJAwoydZ\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528journalctl\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u67e5\u8be2\u548c\u5206\u6790systemd\u65e5\u5fd7\u3002\u65e0\u8bba\u662f\u67e5\u627e\u7279\u5b9a\u670d\u52a1\u7684\u65e5\u5fd7\uff0c\u8fd8\u662f\u6309\u65f6\u95f4\u3001\u4f18\u5148\u7ea7\u6216\u5173\u952e\u5b57\u8fc7\u6ee4\u65e5\u5fd7\uff0cjournalctl\u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u9009\u9879\u548c\u529f\u80fd\u3002\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u5173\u4e8ejournalctl\u547d\u4ee4\u7684\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u7f51\u7ad9\u3002<\/p>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\u3002\u6211\u4eec\u8fd8\u63d0\u4f9b10\u5143\u9999\u6e2f\u670d\u52a1\u5668\u548c\u9999\u6e2f\u670d\u52a1\u5668\u514d\u8d39\u8bd5\u7528\u7684\u4fc3\u9500\u6d3b\u52a8\uff0c\u6b22\u8fce\u60a8\u53c2\u4e0e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u547d\u4ee4\uff1ajournalctl - \u67e5\u8be2 systemd \u65e5\u5fd7 Linux \u547d\u4ee4\uff1ajournalctl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-210614","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=210614"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210614\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=210614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=210614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=210614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}