A Personal Package Archives (PPA) is a Ubuntu way to allow independent developers and contributors to build and distribute any custom packages as a third-party APT repository via Launchpad. If you are a Ubuntu user, chances are that you have added some popular third-party PPA repositories to your Ubuntu system. If you want to remove any pre-configured PPA repository, here is how to do it.
Suppose you have a third-party PPA repository named "ppa:webapps/preview" added on your Ubuntu system, as follows.
If you want to delete a PPA repository alone, run the following command.
Note that the above command does not touch any packages installed or upgraded from the PPA itself.
If you want to delete a PPA repository as well as all packages installed/upgraded from the PPA, you can use ppa-purge command.
To install ppa-purge package:
To remove a PPA repository and all its packages from the command line:
These methods can be useful when you identify and purge broken PPA repositories after distro upgrade.
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