Replicate or Migrate Ubuntu Packages with Apt-Get

Wed, June 15, 2011 4 Comments by Clayton McIlrath

If you’ve ever needed to upgrade Ubuntu versions, setup a new server or do any other type of migration, this is the easiest and most satisfying way to do it.. using Apt-Get!

First on our “old” server lets use apt-get to dump a list of installed packages to a packages.txt file:

dpkg --get-selections | grep -v deinstall > packages.txt

Then on the new server, lets update Apt-Get and install from our file:

apt-get update
dpkg --set-selections < packages.txt
apt-get -u dselect-upgrade

That’s it!

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  • Stas

    certainly you meant this:dpkg –get-selections | grep -v deinstall > packages.txti.e. s//;

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    If ever need to upgrade Ubuntu, setup a new server or do any other type of migration, this is the easiest and most satisfying way to do it.

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