journalctl: update page (#12716)
* Update journalctl.md * Update journalctl.md * Update journalctl.md
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@@ -11,9 +11,9 @@
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`journalctl --vacuum-time={{2d}}`
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- [f]ollow new messages (like `tail -f` for traditional syslog):
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- Show only the last N li[n]es and [f]ollow new messages (like `tail -f` for traditional syslog):
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`journalctl -f`
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`journalctl --lines {{N}} --follow`
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- Show all messages by a specific [u]nit:
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