Ubuntu – How to remove a repository?

repositorysoftware-sources

Please let me know how to remove certain repositories in Ubuntu 11.04. I am getting the following errors while updating.

sudo apt-get update

Err http://ppa.launchpad.net natty/main Sources                                   
  404  Not Found
Err http://ppa.launchpad.net natty/main i386 Packages                             
  404  Not Found
......

E: Some index files failed to download. They have been ignored, or old ones used instead.

Best Answer

You can easily remove software repositories from the "Software & Updates"

  • Open "Software & Updates"

enter image description here

  • Select tab "Other Software"

enter image description here

From the "Other Software" tab you can add or remove repositories.

Related Question