A howto backup your software configuration. "installed-software".

[Tom H]

On Tue, Jun 5, 2012 at 1:43 PM, Bas Roufs <basroufs at gmail.com> wrote:
>>
>> The debconf-... is in addition to your procedure, not a replacement of
>> it. It preserves the debconf settings.
>
> What exactly are "debconf settings"?
> How exactly do I need to generate a scrip at one PC?
> How exactly can I transfer the settings to the other PC?

It preserves debconf settings.

Do a test.

Save your current settings:
debconf-get-selections > before

Change your console font:
dpkg-reconfigure console-setup

Save your new settings:
debconf-get-selections > after

Look for the change:
diff before after