Last updated on August 4, 2020 by Dan Nanni
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 popular third-party PPA repositories to your Ubuntu system. But some of those PPA repositories you have added may become obsolete later, in which case you want to remove them.
If you want to remove any pre-configured PPA repository, the following guide shows how to do it.
Suppose you have a third-party PPA repository named "
ppa:webapps/preview" added on your Ubuntu system, as follows.
$ sudo add-apt-repository ppa:webapps/preview
If you want to delete a PPA repository alone, run the following command.
$ sudo add-apt-repository --remove ppa:someppa/ppa
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
$ sudo apt-get install ppa-purge
To remove a PPA repository and all its packages from the command line:
$ sudo ppa-purge ppa:webapps/preview
These methods can be useful when you identify and purge broken PPA repositories after distro upgrade.
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