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I cannot open Update Manager, Software Manager, or install a new OS or Firefox.

The sudo apt-get update command in terminal results in the below error. Sorry can only post two errors:

W: Failed to fetch http://packages.medibuntu.org/dists/precise/non-free/i18n/Translation-en_US  Something wicked happened resolving 'packages.medibuntu.org:http' (-5 - No address associated with hostname)

W: Failed to fetch http://packages.medibuntu.org/dists/precise/non-free/i18n/Translation-en  Something wicked happened resolving 'packages.medibuntu.org:http' (-5 - No address associated with hostname)

E: Some index files failed to download. They have been ignored, or old ones used instead.
g_p
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Edp773
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1 Answers1

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Medibuntu repository has now been shut down. Package present in this repository were either obsolete, unnecessary or moved to the official Ubuntu archive.

To resolve this error

  • Remove all the line containing http://packages.medibuntu.org.. from your /etc/apt/sources.list file.

  • Also remove medibuntu.list from etc/apt/sources.list.d/ directory (if present) using 

    sudo rm -f /etc/apt/sources.list.d/medibuntu.list

  • After it execute

    sudo apt-get update
g_p
  • 18,504
  • Thanks, that was a big improvement. Now I only get this error: – Edp773 Jan 24 '15 at 22:43
  • W: Failed to fetch http://www.geekconnection.org/remastersys/repository/karmic/Sources 404 Not Found

    E: Some index files failed to download. They have been ignored, or old ones used instead.W: Failed to fetch http://www.geekconnection.org/remastersys/repository/karmic/Sources 404 Not Found

    E: Some index files failed to download. They have been ignored, or old ones used instead.W: Failed to fetch http://www.geekconnection.org/remastersys/repository/karmic/Sources 404 Not Found

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

     – Edp773 Jan 24 '15 at 22:44
  • Have you tried this post?http://askubuntu.com/questions/65911/how-can-i-fix-a-404-error-when-using-a-ppa-or-updating-my-package-lists – g_p Jan 25 '15 at 04:17