Marcin Owsiany wrote: > I've just started to do research in order to write a tool which I was > always missing. What I have so far is just a brief "background" > information, explaining the problem - see below. I agree that this is a missing feature ATM: to be able to see at a glance which packages did not come from the regular repository or have newer versions than available from registered repositories. However, I would actually prefer this to be integrated in the regular package management frontends (e.g. aptitude) rather than a separate tool. If the source of the package is in /etc/apt/sources.list, it should be trivial to create a new view and/or informational fields that show where an installed version comes from: regular archive, security, volatile, external archive. Or, if there are no matches to show it as locally installed. If there are multiple potential sources some kind of ordering may be needed  as may handling of CD sets. Cheers, FJP  'apt-cache policy <package>' essentially already does ordering
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