Find all files with ‘.log’ extention and make an bzip archive

find /var/log -name '*.log' | tar cv --files-from=- | bzip2 > log.tar.bz2

View in real time what is added to a file. -f stands for Follow

tail -f /var/log/messages

The last command shows a history of logins…

last

<p class=”intro”>This command will let you watch a log file for changes as soon as they happen.</p>

<pre><code class=”cli”>
tail -f log/development.log
</code></pre>

[tags]log,listen,watch,tail,command,linux,cli[/tags]