journalctl

command log

Query and display systemd journal logs

Options

Action *

Service unit (-u)

Filter logs by systemd unit

Current boot only (-b) Current boot only (-b)

Show only messages from current boot

Since (--since)

e.g. 'today', 'yesterday', '2024-01-01 00:00', '1 hour ago'

Until (--until)

e.g. 'now', '2024-01-02 00:00', '30 minutes ago'

Priority filter (-p)

Grep pattern (-g)

Filter by regex pattern in message

Output format (-o)

Number of lines (-n)

Show last N lines

Follow (live tail) (-f) Follow (live tail) (-f)

Reverse order (-r) Reverse order (-r)

Show newest entries first

Show explanations (-x) Show explanations (-x)

Augment log lines with explanation texts

Kernel messages only (-k) Kernel messages only (-k)

Jump to end (-e) Jump to end (-e)

No pager (--no-pager) No pager (--no-pager)

journalctl