RE: Replicate installed packages to new system
How do you use the output from "aptitude search" to re-install the
packages on the new system?
--John
-----Original Message-----
From: Douglas Allan Tutty [mailto:dtutty@porchlight.ca]
Sent: Thursday, April 12, 2007 4:22 PM
To: debian-user@lists.debian.org
Subject: Re: Replicate installed packages to new system
On Thu, Apr 12, 2007 at 02:36:38PM -0400, Michael Pobega wrote:
> On Thu, Apr 12, 2007 at 06:21:08PM -0000, McNamee, John wrote:
> > I've been evaluating Etch for several months on a test machine, and
now
> > I'd like to install it on a production server. What's the best way
to
> > get the list of packages installed on the test system, and then
> > re-install those packages on the new system?
> >
> > --John
> >
>
> Well there's loads of ways you can do it.
>
> aptitude search "~i" will give you a list of your installed packages.
> This will probably be a lot though, and will take a long time to
install
> them on the other computer.
I use:
#aptitude search '~i!~M'
This shows only the packages installed (~i) but not automatically (!~M),
in other words, the packages that I specifically installed.
The difficulty with just using dpkg get selections is that the
dependencies and some package names will have changed. It also allows
you to maintain the anti-cruft features of aptitude going forward.
Generating this list of packages is part of my daily cron 'housekeeping'
script that becomes part of my overall backup strategy.
Doug.
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