====== aptitude ======

  * [[Ubuntu]]
  * [[apt-get]]
  * [[dpkg]]

Get the version of package that is available:

<code>
aptitude search <package> -F "%p %V"
</code>

Install specific version:

<code>
aptitude install <package>=<version>
</code>

Display the versions that will be upgraded

<code>
aptitude -ys safe-upgrade
</code>

Clean output of packages to be upgraded, and what versions

<code>
aptitude -ysV safe-upgrade | egrep "\[.*\s.*\]" | sed -e 's/^[[:space:]]*//' | sort
</code>

Grep it down to a list of LAMP packages:

<code>
egrep -i "(apache|sql|php|ssl|percona)"
</code>

Search on installed packages, and display results in batch-friendly output:

<code>
aptitude search '~idvd_info' -F %p
</code>

Remove all the data installed by a package:

<code>
aptitude purge dvd_info
</code>

Download a package and its dependencies:

<code>
aptitude -yd install <package>
</code>