where is the list of installed packages kept?

[Peter Garrett]

On Fri, 19 Jan 2007 18:27:26 -0500
stan <stanb at panix.com> wrote:

> > $ cat /var/lib/dpkg/status | grep -B1 'ok installed' > selections
> > 
> > >From there you could use sed an create something that could be recovered
> > using:
> > 
> > $ sudo dpkg --set-selections < myselections
> > $ sudo apt-get -u dselect-upgrade
> > 
> > See the Debian Reference; specifically: 6.3.4 Recover package selection
> > data and 6.4.9 Record/copy system configuration.
> > 
> > Of course, others may know an easier way. Good Luck.
> > 

I think you can get a list with something like

dpkg --get-selections > package.list

then feed that to dpkg --set-selections :

dpkg --set-selections < package.list

Peter