EXAMPLES Without arguments, all collected logs are shown unfiltered: journalctl With one match specified, all entries with a field matching the expression are shown: journalctl _SYSTEMD_UNIT=avahi-daemon.service If two different fields are matched, only entries matching both expressions at the same ...
ExamplesWithout arguments, all collected logs are shown unfiltered:journalctlWith one match specified, all entries with a field matching the expression are shown:journalctl _SYSTEMD_UNIT=avahi-daemon.service journalctl _SYSTEMD_CGROUP=/user.slice/user-42.slice/session-c1.scope ...
Override the default options passed to less ("FRSXMK"). EXAMPLES Without arguments, all collected logs are shown unfiltered: journalctl With one match specified, all entries with a field matching the expression are shown: journalctl _SYSTEMD_UNIT=avahi-daemon.service If two different fields are ma...
3. ENVIRONMENT 4. EXAMPLES Without arguments, all collected logs are shown unfiltered: 不带参数的情况下, 所有收集的日志均显示为未过滤: journalctl With one match specified, all entries with a field matching the expression are shown: 指定一个匹配项后, 将显示具有与表达式匹配的字段的所有条目: journ...
Systemd logs allLinuxmessages from thekerneland system processes. The journalctl command enables viewing and editing the systemd logs, making it a powerful tool for service and process debugging. This guide shows how to read, control, and maintain systemd logs using journalctl through examples. ...
Examples Decode and tail all logs constJournalctl=require('@bryopsida/journalctl')constlogger=newJournalctl().on('json-message',e=>{console.log(e)})process.on('SIGINT',()=>{logger.stop(()=>{process.exit()})}) Pipe raw output constJournalctl=require('@bryopsida/journalctl')constj=newJourna...
Like a tail operation for viewing live updates -e or –page-end Jump to the end of the log -n or –lines= Show the most recentnnumber of log lines -o or –output= Customizable output formatting. See man page for formatting options. Some examples includejournalctl -o verboseto show all...
All of the journal field modifiers are used in the same way. We'll use a few in our examples below. To look for log messages from a specific application, use the_COMM(command) modifier. If you also use the-f(follow) option,journalctlwill track new messages from this application as they...
journalctl Command Examples 1. Show all messages with priority level 3 (errors) from this [b]oot: # journalctl -b --priority=3 2. Show all messages from last [b]oot: # journalctl -b -1 3. Delete journal logs which are older than 2 days: ...