Linux

tail

SafeFollow file tail

tail -f <file>

Watch the end of a log live; -n sets line count.

Examples

  • tail -f /var/log/syslogFollow syslog

Syntax

tail -f <file> | tail -n <lines> <file>

Before you run it

Read-only; Ctrl+C to stop.

Used when you see

SSH key auth fails
4
Read the auth log for the rejection reason
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Related commands

The same reference, with no signal at all

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