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This question is in reference to another question that has not been answered. When I upgraded Ubuntu, all my PPAs were removed (which I'm ok with). Is there a way to list all the packages that no longer have a repository associated with them?

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Sepero
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2 Answers2

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APT refers to these packages as "obsolete".

Evidently there is no direct way to list these, but you could do:

aptitude search '~o'

Or alternatively:

apt-show-versions | grep 'No available version'

Source: How do I get a list of obsolete packages?

If you want a GUI tool you can do this with Synaptic by using the built-in "local or obsolete" filter.

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Nattgew
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In case you don't have aptitude installed any more — several years ago, I uninstalled it and returned to the traditional apt-* tools plus the apt command — this answer to this question suggests that the most modern approach is:

apt list ?obsolete

Which works great on my own Ubuntu laptop, since 24.04 > 19.10 when this was introduced.

Brandon Rhodes
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