On Tue, Apr 20, 2010 at 07:49:32PM +0100, Liviu Andronic wrote:
> Dear all
> What files contain the information on the current ("now") apt tree? I
> would like to perform backups of these files so that I could restore
> the tree if some package upgrade messed up my Debian testing.
>
I don't think this covers everything you're looking to do, but it might
be useful.
To create a list of all installed software:
dpkg --get-selections > packages.txt
To optionally uninstall anything not included in that list:
dpkg --clear-selections
To install all the software in that list:
dpkg --set-selections < packages.txt
followed by this (all the installs/uninstalls happen with this command:
apt-get dselect-upgrade
-Rob
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