{"id":5017,"date":"2021-12-14T17:57:51","date_gmt":"2021-12-14T09:57:51","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=5017"},"modified":"2021-12-14T17:57:51","modified_gmt":"2021-12-14T09:57:51","slug":"journalctl","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=5017","title":{"rendered":"[ Linux ] &#8211; journalctl \u8a18\u9304\u522a\u9664"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5c0f\u7de8\u6700\u8fd1\u4e3b\u6a5f\u639b\u6389\u5f88\u591a\u670d\u52d9\u7121\u6cd5\u91cd\u555f\uff0c\u67e5\u4e86\u4e00\u4e0b\u539f\u4f86\u662f\u78c1\u789f\u7a7a\u9593\u6eff\u4e86\u6240\u9020\u6210\u7684\uff0c\u539f\u4f86\u662f\u4e3b\u6a5f\u5df2\u7d93\u57f7\u884c\u5f88\u4e45\u7522\u751f\u5f88\u591a\u7cfb\u7d71\u65e5\u8a8c\uff0c\u539f\u4f86\u9084\u9700\u8981\u5e38\u614b\u6027\u7684\u522a\u9664\u624d\u884c\uff1b\u4ee5\u4e0b\u63d0\u4f9b\u6211\u7684\u8a2d\u5b9a\u65b9\u5f0f\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u986f\u793a\u7d00\u9304\u6a94\u4f54\u7528\u4e86\u591a\u5c11\u7684\u78c1\u789f\u7a7a\u9593<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\nsudo journalctl --disk-usage<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u986f\u793a\u7d50\u679c\uff1a<\/p>\n\n\n<p class=\"wp-block-paragraph\">Archived and active journals take up 592.0M in the file system.<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u522a\u9664\u8a18\u9304\u53ea\u4fdd\u75597\u5929\u5167\u8cc7\u6599<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\njournalctl --vacuum-time=7d<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u522a\u9664\u8a18\u9304\u53ea\u4fdd\u7559500MB\u7684\u8cc7\u6599<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\njournalctl --vacuum-size=500M<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8981\u9577\u614b\u6027\u7684\u8a2d\u5b9a\u8acb\u7de8\u8f2f journalctl \u8a2d\u5b9a\u6a94<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\nnano \/etc\/systemd\/journald.conf <\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u4fdd\u7559500MB\u7684\u8cc7\u6599<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u65bc\u8a72\u6a94\u6848\u7b2c22\u884c<\/p>\n\n\n<p class=\"wp-block-paragraph\">#SystemMaxUse=<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6539\u6210<br \/>SystemMaxUse=500M<br \/><\/p>\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u4fdd\u75597\u5929\u5167\u8cc7\u6599<\/p>\n\n\n<p class=\"wp-block-paragraph\">MaxRetentionSec=<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6539\u6210<\/p>\n\n\n<p class=\"wp-block-paragraph\">MaxRetentionSec=7day<br \/><br \/>\u5e74 year<br \/>\u6708 month<br \/>\u9031 week<br \/>\u65e5 day<br \/>\u6642 h\u00a0<br \/>\u5206 m<br \/><br \/>\u5f8c\u65b9\u4e0d\u52a0\u6642\u9593\u53c3\u6578\u5c31\u662f\u4f7f\u7528\u9810\u8a2d\u503c \u79d2\u70ba\u55ae\u4f4d<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u7de8\u8f2f\u5b8c\u5f8c\u8acb\u91cd\u555f\u670d\u52d9<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\nsystemctl restart systemd-journald.service<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u95dc\u5e38\u7528\u6307\u4ee4<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6aa2\u67e5\u8a18\u9304\u662f\u5426\u5b8c\u6574<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\njournalctl --verify<\/code><\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u555f journalctl<br \/>\u6307\u4ee4\uff1a<\/p>\n\n\n<pre class=\"wp-block-code\"><code>\nsystemctl restart systemd-journald.service<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0f\u7de8\u6700\u8fd1\u4e3b\u6a5f\u639b\u6389\u5f88\u591a\u670d\u52d9\u7121\u6cd5\u91cd\u555f\uff0c\u67e5\u4e86\u4e00\u4e0b\u539f\u4f86\u662f\u78c1\u789f\u7a7a\u9593\u6eff\u4e86\u6240\u9020\u6210\u7684\uff0c\u539f\u4f86\u662f\u4e3b\u6a5f\u5df2\u7d93\u57f7\u884c\u5f88\u4e45\u7522\u751f\u5f88\u591a\u7cfb\u7d71\u65e5\u8a8c\uff0c\u539f\u4f86\u9084\u9700\u8981\u5e38\u614b\u6027\u7684\u522a\u9664\u624d\u884c\uff1b\u4ee5\u4e0b\u63d0\u4f9b\u6211\u7684\u8a2d\u5b9a\u65b9\u5f0f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-5017","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/5017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5017"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/5017\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}