{"id":1350,"date":"2022-06-10T10:08:06","date_gmt":"2022-06-10T02:08:06","guid":{"rendered":"https:\/\/wp.vicds.com\/?p=1350"},"modified":"2022-06-10T10:08:08","modified_gmt":"2022-06-10T02:08:08","slug":"journalctl-linux","status":"publish","type":"post","link":"https:\/\/wp.vicds.com\/?p=1350","title":{"rendered":"journalctl @linux"},"content":{"rendered":"\n<p>\u53c3\u8003\u81ea   <a rel=\"noreferrer noopener\" href=\"https:\/\/www.796t.com\/content\/1519304536.html\" target=\"_blank\">https:\/\/www.796t.com\/content\/1519304536.html<\/a>  \u53ca  <a href=\"https:\/\/www.gushiciku.cn\/pl\/peum\/zh-tw\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.gushiciku.cn\/pl\/peum\/zh-tw<\/a><\/p>\n\n\n\n<p><strong>\u5e38\u7528journalcrl \u7528\u6cd5\u7bc4\u4f8b<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u6aa2\u8996\u6240\u6709\u65e5\u8a8c\uff08\u9810\u8a2d\u60c5\u6cc1\u4e0b \uff0c\u53ea\u5132\u5b58\u672c\u6b21\u555f\u52d5\u7684\u65e5\u8a8c\uff09\njournalctl\n#\u6aa2\u8996\u6838\u5fc3\u65e5\u8a8c\uff08\u4e0d\u986f\u793a\u61c9\u7528\u65e5\u8a8c\uff09\njournalctl -k\n#\u6aa2\u8996\u7cfb\u7d71\u672c\u6b21\u555f\u52d5\u7684\u65e5\u8a8c\njournalctl -b\njournalctl -b -0\n#\u6aa2\u8996\u4e0a\u4e00\u6b21\u555f\u52d5\u7684\u65e5\u8a8c\uff08\u9700\u66f4\u6539\u8a2d\u5b9a\uff09\njournalctl -b -1\n#\u6aa2\u8996\u6307\u5b9a\u6642\u9593\u7684\u65e5\u8a8c\njournalctl --since=&quot;2017-10-30 18:10:30&quot;\njournalctl --since &quot;20 min ago&quot;\njournalctl --since yesterday\njournalctl --since &quot;2017-01-10&quot; --until &quot;2017-01-11 03:00&quot;\njournalctl --since 09:00 --until &quot;1 hour ago&quot;\n#\u986f\u793a\u5c3e\u90e8\u7684\u6700\u65b010\u884c\u65e5\u8a8c\njournalctl -n\n#\u986f\u793a\u5c3e\u90e8\u6307\u5b9a\u884c\u6578\u7684\u65e5\u8a8c\njournalctl -n 20\n#\u5be6\u6642\u6efe\u52d5\u986f\u793a\u6700\u65b0\u65e5\u8a8c\njournalctl -f\n#\u6aa2\u8996\u6307\u5b9a\u670d\u52d9\u7684\u65e5\u8a8c\njournalctl \/usr\/lib\/systemd\/systemd\n#\u6aa2\u8996\u6307\u5b9a\u7a0b\u5e8f\u7684\u65e5\u8a8c\njournalctl _PID=1\n#\u6aa2\u8996\u67d0\u500b\u8def\u5f91\u7684\u6307\u4ee4\u78bc\u7684\u65e5\u8a8c\njournalctl \/usr\/bin\/bash\n#\u6aa2\u8996\u6307\u5b9a\u4f7f\u7528\u8005\u7684\u65e5\u8a8c\njournalctl _UID=33 --since today\n#\u6aa2\u8996\u67d0\u500b Unit \u7684\u65e5\u8a8c\njournalctl -u nginx.service\njournalctl -u nginx.service --since today\n#\u5be6\u6642\u6efe\u52d5\u986f\u793a\u67d0\u500b Unit \u7684\u6700\u65b0\u65e5\u8a8c\njournalctl -u nginx.service -f\n#\u5408\u4f75\u986f\u793a\u591a\u500b Unit \u7684\u65e5\u8a8c\njournalctl -u nginx.service -u php-fpm.service --since today\n#\u6aa2\u8996\u6307\u5b9a\u512a\u5148\u9806\u5e8f\uff08\u53ca\u5176\u4ee5\u4e0a\u7d1a\u5225\uff09\u7684\u65e5\u8a8c\uff0c\u5171\u67098\u7d1a\n0: emerg\n1: alert\n2: crit\n3: err\n4: warning\n5: notice\n6: info\n7: debug\njournalctl -p err -b\n#\u65e5\u8a8c\u9810\u8a2d\u5206\u9801\u8f38\u51fa\uff0c--no-pager \u6539\u70ba\u6b63\u5e38\u7684\u6a19\u6e96\u8f38\u51fa\njournalctl --no-pager\n#\u65e5\u8a8c\u7ba1\u7406journalctl\n#\u4ee5 JSON \u683c\u5f0f\uff08\u55ae\u884c\uff09\u8f38\u51fa\njournalctl -b -u nginx.service -o json\n#\u4ee5 JSON \u683c\u5f0f\uff08\u591a\u884c\uff09\u8f38\u51fa\uff0c\u53ef\u8b80\u6027\u66f4\u597d\njournalctl -b -u nginx.serviceqq -o json-pretty\n#\u986f\u793a\u65e5\u8a8c\u4f54\u64da\u7684\u786c\u789f\u7a7a\u9593\njournalctl --disk-usage\n#\u6307\u5b9a\u65e5\u8a8c\u6a94\u6848\u4f54\u64da\u7684\u6700\u5927\u7a7a\u9593\njournalctl --vacuum-size=1G\n#\u6307\u5b9a\u65e5\u8a8c\u6a94\u6848\u5132\u5b58\u591a\u4e45\njournalctl --vacuum-time=1years<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u53c3\u8003\u81ea https:\/\/www.796t.c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1350","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/1350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1350"}],"version-history":[{"count":1,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/1350\/revisions"}],"predecessor-version":[{"id":1351,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/1350\/revisions\/1351"}],"wp:attachment":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}