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-----Original Message-----
From: Douglas A. Tutty [mailto:dtutty@vianet.ca]
Sent: Wednesday, November 05, 2008 9:59 AM
To: debian-user@lists.debian.org
Subject: Re: Install matching set of software while preserving aptitude
auto/manual install info
On Wed, Nov 05, 2008 at 12:11:55PM -0500, Brian McKee wrote:
> I'd like to 'clone' the installed software on a machine. I can find
> lots of references to this procedure
> > Backup installed package list on current machine dpkg
> > --get-selections > selections.txt move selections.txt to the new
> > machine Set package list on new machine and install packages dpkg
> > --set-selections < selections.txt apt-get update apt-get upgrade
>
> What I can't find, but I know I've seen, is a way to do it using
> aptitude that preserves aptitude's knowledge of what was installed
> manually vs automatically.
> Can someone throw me a link (or a cluestick)
Just take a list of packages that aptitude knows are installed manually:
aptitude search '~i!~M'
You'd then want to tidy up this list so that it is just a list of package
names which could be passed to aptitude. Then edit the list into a script
that runs
aptitude install <followed by the list of packages>
Remember to escape the newlines with \
I forget what the maximum command-line length is; it may be an issue
depending on how many packages you manually installed.
You could make the package list with one package per line and use xargs to
pipe it through aptitude (may take longer).
Or you can just use the aptitude user interface on the new box and manually
mark the packages off the list. For a one-off, this may be the fastest way.
It all depends on how automated you want the process to be.
Doug.
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