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I am Creating a project to view and upgrade packages in Ubuntu. Is there any command for list only Third party software?

dpkg --list shows all packages installed in OS.

pomsky
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Manu Krishnan
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    Welcome to [ubuntu.se]! What do you mean by third-party software? I can image multiple options: Software from 1. universe/multiverse repository, 2. non-Ubuntu repositories (PPAs, etc.), 3. manually installed using .deb files, 4. manually installed by other means… – Melebius Nov 26 '19 at 07:08
  • hi Melebus , sorry for the incomplete question. like in Windows OS,installed software can be categorize as Microsoft or Non Microsoft software. like wise in linux , how can we categorize. – Manu Krishnan Nov 26 '19 at 12:13
  • additianally is there any way only to list packages "manually installed by other means" or "manually installed using .deb files", or "non-Ubuntu repositories"? – Manu Krishnan Nov 26 '19 at 12:14
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    “in Windows OS,installed software can be categorize as Microsoft or Non Microsoft software.” This is not how the Linux world works. Linux software is generally made by community and distributed by a distro maintainer which for Ubuntu is Canonical Inc. However, they haven’t developed all the provided software. What is the purpose of such a categorization? – Melebius Nov 26 '19 at 12:18
  • when a fresh linux OS is installed, some packages may be already installed (by default). and later we install others by our requirement. can we list only packages we installs later – Manu Krishnan Nov 26 '19 at 13:04
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    Possible duplicate of Find out what packages were installed after os install or Generating list of manually installed packages and querying individual packages. – Melebius Nov 26 '19 at 13:21
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    The packages installed by the Ubuntu Desktop installer have two easily identifiable characterisics: The top-level package in the dependency chain is the ubuntu-desktop metapackage, and the packages are apt-marked as manual even though they were automatically installed. – user535733 Nov 26 '19 at 14:52
  • @Melebius I think what the asker means by "third-party" (a party other than the principals) in this question is software that was not installed from the default Ubuntu repositories. I think the asker considers Ubuntu itself as the first party, the default Ubuntu repositories as the second party, and other software sources as third parties. The Ubuntu software sources are the principals and other software sources are third-party sources. – karel Nov 28 '19 at 08:52
  • @karel I am afraid the definition you proposed is not valid. AFAIK these parties refer to a legal agreement – a license agreement if the software is concerned. It is made between a software supplier (the first party) and the user (the second party). The third party is then anyone who extends/modifies the original agreement, i.e. provides some other software to the user. Anyway, you should include your definition in your answer as it might miss OP’s expectations. – Melebius Nov 28 '19 at 09:24
  • @Melebius It's going to Meta. – karel Nov 28 '19 at 09:24
  • @karel Good choice! Please ping me and post a link here when the post is ready. – Melebius Nov 28 '19 at 09:29
  • Clearly there's no point in going to Meta until the OP decides to make his opinion known about what he personally meant by "third-party". If the Ubuntu Software app gets ruled by the OP as a third-party app, I have no wish to dispute his definition because after all this is the OP's question, not mine. The words mean whatever the OP says they mean. – karel Nov 28 '19 at 09:35

2 Answers2

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To list the packages installed from third-party repositories:

ubuntu-security-status --thirdparty

To list the locally installed or obsolete packages missing from any enabled repository:

ubuntu-security-status --unavailable

To further check the specifics, type in:

apt-cache policy <package_name>
funicorn
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Using apt and grep to get local(-obsolete) packages, i.e. there is nothing in the package that identifies the origin of the package.

apt list --installed | \
    grep -F "$(gettext 'apt' '[installed,local]')"
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  • How does this refer to the “third party software”? 2. This won’t work in a localized version of Ubuntu unless LC_ALL=C, for example, is used.
    • – Melebius Nov 28 '19 at 09:26