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How to Remove Repositories in Ubuntu

Learn how to remove a repository that fails doing apt update, using the terminal in Ubuntu.

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Edited: 2020-01-19 19:09

A user-added repository that keeps failing doing an apt update can be a very frustrating problem, luckily we can quickly resolve the issue by removing the offending repository.

When adding a repository, the sudo add-apt-repository -r ppa:user/some-repo-name, if we want to remove it again, we should simply call the same command with the --remove option:

sudo add-apt-repository --remove ppa:user/name-of-ppa

If you do not remember which PPA to remove, you can instead attempt a manual removal.

Manually removing a repository

Sometimes you might need to open the sources.list file and comment out, or remove, the offending lines. This can be done using nano in a terminal:

sudo nano /etc/apt/sources.list

Other times you might need to delete the repository in the sources.list.d directory:

sudo rm /etc/apt/sources.list.d/name-of-repo.*

This directory holds sources that are auto-loaded when running an apt update. The directory contains files ending in .save and .list, and both should be removed in order to fix the issue.

Links

  1. Repositories/Ubuntu - help.ubuntu.com

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