{"id":44740,"date":"2024-10-06T17:48:13","date_gmt":"2024-10-06T09:48:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44740\/"},"modified":"2024-10-06T17:48:13","modified_gmt":"2024-10-06T09:48:13","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9ajournalctl-%e6%9f%a5%e8%a9%a2-systemd-%e6%97%a5%e8%aa%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44740\/","title":{"rendered":"Linux \u547d\u4ee4\uff1ajournalctl &#8211; \u67e5\u8a62 systemd \u65e5\u8a8c"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9ajournalctl-%e6%9f%a5%e8%a9%a2-systemd-%e6%97%a5%e8%aa%8c-jFIIEswTsl\">Linux \u547d\u4ee4\uff1ajournalctl &#8211; \u67e5\u8a62 systemd \u65e5\u8a8c<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u65e5\u8a8c\u7ba1\u7406\u662f\u7cfb\u7d71\u7ba1\u7406\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u96a8\u8457 systemd \u7684\u666e\u53ca\uff0c\u65e5\u8a8c\u7cfb\u7d71\u4e5f\u96a8\u4e4b\u6539\u8b8a\u3002journalctl \u662f\u4e00\u500b\u7528\u65bc\u67e5\u8a62 systemd \u65e5\u8a8c\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u8f15\u9b06\u5730\u67e5\u770b\u548c\u7ba1\u7406\u7cfb\u7d71\u65e5\u8a8c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e journalctl \u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-journalctl%ef%bc%9f-jFIIEswTsl\">\u4ec0\u9ebc\u662f journalctl\uff1f<\/h2>\n<p>journalctl \u662f\u4e00\u500b\u7528\u65bc\u67e5\u8a62 systemd \u65e5\u8a8c\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002systemd \u662f\u4e00\u500b\u7cfb\u7d71\u548c\u670d\u52d9\u7ba1\u7406\u5668\uff0c\u8ca0\u8cac\u555f\u52d5\u548c\u7ba1\u7406\u7cfb\u7d71\u670d\u52d9\u3002journalctl \u5141\u8a31\u7528\u6236\u67e5\u770b\u7531 systemd \u6536\u96c6\u7684\u65e5\u8a8c\u4fe1\u606f\uff0c\u9019\u4e9b\u4fe1\u606f\u5305\u62ec\u7cfb\u7d71\u555f\u52d5\u904e\u7a0b\u3001\u670d\u52d9\u72c0\u614b\u3001\u932f\u8aa4\u4fe1\u606f\u7b49\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-jFIIEswTsl\">\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u4f7f\u7528 journalctl \u7684\u57fa\u672c\u547d\u4ee4\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code>journalctl [OPTIONS]<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n<ul>\n<li><code>-b<\/code>\uff1a\u986f\u793a\u7576\u524d\u555f\u52d5\u7684\u65e5\u8a8c\u3002<\/li>\n<li><code>-f<\/code>\uff1a\u5be6\u6642\u8ddf\u8e64\u65e5\u8a8c\u8f38\u51fa\uff0c\u985e\u4f3c\u65bc <code>tail -f<\/code>\u3002<\/li>\n<li><code>-u UNIT<\/code>\uff1a\u986f\u793a\u7279\u5b9a\u670d\u52d9\u7684\u65e5\u8a8c\uff0c\u4f8b\u5982 <code>journalctl -u ssh.service<\/code>\u3002<\/li>\n<li><code>--since<\/code> \u548c <code>--until<\/code>\uff1a\u6307\u5b9a\u67e5\u8a62\u7684\u6642\u9593\u7bc4\u570d\uff0c\u4f8b\u5982 <code>journalctl --since \"2023-10-01\" --until \"2023-10-02\"<\/code>\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c%e7%9a%84%e7%af%84%e4%be%8b-jFIIEswTsl\">\u67e5\u8a62\u65e5\u8a8c\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u7528\u7684\u67e5\u8a62\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%9f%a5%e7%9c%8b%e6%89%80%e6%9c%89%e6%97%a5%e8%aa%8c-jFIIEswTsl\">\u67e5\u770b\u6240\u6709\u65e5\u8a8c<\/h3>\n<pre><code>journalctl<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u986f\u793a\u6240\u6709\u7684\u65e5\u8a8c\u4fe1\u606f\uff0c\u5f9e\u6700\u820a\u7684\u958b\u59cb\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e7%9c%8b%e7%95%b6%e5%89%8d%e5%95%9f%e5%8b%95%e7%9a%84%e6%97%a5%e8%aa%8c-jFIIEswTsl\">\u67e5\u770b\u7576\u524d\u555f\u52d5\u7684\u65e5\u8a8c<\/h3>\n<pre><code>journalctl -b<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u986f\u793a\u81ea\u4e0a\u6b21\u555f\u52d5\u4ee5\u4f86\u7684\u6240\u6709\u65e5\u8a8c\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e5%af%a6%e6%99%82%e8%b7%9f%e8%b9%a4%e6%97%a5%e8%aa%8c-jFIIEswTsl\">\u5be6\u6642\u8ddf\u8e64\u65e5\u8a8c<\/h3>\n<pre><code>journalctl -f<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u6301\u7e8c\u986f\u793a\u6700\u65b0\u7684\u65e5\u8a8c\u4fe1\u606f\uff0c\u9069\u5408\u7528\u65bc\u76e3\u63a7\u7cfb\u7d71\u72c0\u614b\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e6%9c%8d%e5%8b%99%e7%9a%84%e6%97%a5%e8%aa%8c-jFIIEswTsl\">\u67e5\u8a62\u7279\u5b9a\u670d\u52d9\u7684\u65e5\u8a8c<\/h3>\n<pre><code>journalctl -u nginx.service<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u986f\u793a Nginx \u670d\u52d9\u7684\u65e5\u8a8c\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n<h2 id=\"%e6%97%a5%e8%aa%8c%e9%81%8e%e6%bf%be%e8%88%87%e6%a0%bc%e5%bc%8f%e5%8c%96-jFIIEswTsl\">\u65e5\u8a8c\u904e\u6ffe\u8207\u683c\u5f0f\u5316<\/h2>\n<p>journalctl \u9084\u652f\u6301\u591a\u7a2e\u904e\u6ffe\u548c\u683c\u5f0f\u5316\u9078\u9805\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u81ea\u5b9a\u7fa9\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/p>\n<h3 id=\"%e6%8c%89%e5%84%aa%e5%85%88%e7%b4%9a%e9%81%8e%e6%bf%be%e6%97%a5%e8%aa%8c-jFIIEswTsl\">\u6309\u512a\u5148\u7d1a\u904e\u6ffe\u65e5\u8a8c<\/h3>\n<pre><code>journalctl -p err<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u986f\u793a\u6240\u6709\u932f\u8aa4\u7d1a\u5225\u7684\u65e5\u8a8c\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e4%bb%a5-json-%e6%a0%bc%e5%bc%8f%e8%bc%b8%e5%87%ba%e6%97%a5%e8%aa%8c-jFIIEswTsl\">\u4ee5 JSON \u683c\u5f0f\u8f38\u51fa\u65e5\u8a8c<\/h3>\n<pre><code>journalctl -o json<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u4ee5 JSON \u683c\u5f0f\u8f38\u51fa\u65e5\u8a8c\uff0c\u65b9\u4fbf\u9032\u884c\u9032\u4e00\u6b65\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jFIIEswTsl\">\u7e3d\u7d50<\/h2>\n<p>journalctl \u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7cfb\u7d71\u7ba1\u7406\u54e1\u6709\u6548\u5730\u67e5\u8a62\u548c\u7ba1\u7406 systemd \u65e5\u8a8c\u3002\u901a\u904e\u9748\u6d3b\u7684\u9078\u9805\u548c\u904e\u6ffe\u529f\u80fd\uff0c\u7528\u6236\u53ef\u4ee5\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7dad\u8b77\u7684\u6548\u7387\u3002\u5c0d\u65bc\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u7528\u6236\u4f86\u8aaa\uff0c\u638c\u63e1 journalctl \u7684\u4f7f\u7528\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u7ba1\u7406\u548c\u6392\u67e5\u7cfb\u7d71\u554f\u984c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 journalctl \u547d\u4ee4\u67e5\u8a62 systemd \u65e5\u8a8c\uff0c\u8f15\u9b06\u6aa2\u8996\u7cfb\u7d71\u4e8b\u4ef6\u548c\u670d\u52d9\u72c0\u614b\uff0c\u52a9\u60a8\u5feb\u901f\u6392\u9664\u6545\u969c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44740","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44740"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44740\/revisions"}],"predecessor-version":[{"id":44741,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44740\/revisions\/44741"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}