I'd like to output a list of all installed packages into a text file so that I can review it and bulk-install on another system. I even want to be able to uninstall unwanted ones. How would I do this?
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4Does this answer your question? How to list all installed packages and Generating list of manually installed packages and querying individual packages – karel Jan 31 '20 at 07:31
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How will you know which packages are "unwanted"? Parsing the dependency chains can be tedious. It's usually easier to build up what you want from a Netinstall (minimal) image than to tear down from a Desktop or Server Image. – user535733 Jan 31 '20 at 13:22
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I doubt, that this is a very good idea, but can do the following:
# Get packages from Host A
dpkg --get-selections | grep -v deinstall > outfile
# Install packages from Host A on Host B
sudo dpkg --set-selections < outfile
BulletBob
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