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Thread: Adding Main Repositories

  1. #1
    Join Date
    Jun 2012

    Post Adding Main Repositories

    I recently just upgrade to 13.04 64bit (from 12.10) but ever since then installing PPAs have become a nightmare.

    sudo apt-get update
    I received this:
    W: Failed to fetch bzip2:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_raring_main_binary-amd64_Packages  Hash Sum mismatch
    W: Failed to fetch bzip2:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_raring_main_binary-i386_Packages  Hash Sum mismatch
    W: Failed to fetch bzip2:/var/lib/apt/lists/partial/ppa.launchpad.net_linrunner_tlp_ubuntu_dists_raring_main_binary-amd64_Packages  Hash Sum mismatch
    E: Some index files failed to download. They have been ignored, or old ones used instead.
    Also in Synaptic this message:

     E: The value 'stable' is invalid for APT::Default-Release as such a release is not available in the sourcesE: _cache->open() failed, please report.
    I believe the problem is that I deleted the MAIN repository (Canonical) for 13.04 Screenshot from 2013-10-02 22:16:23.jpg

    Goal: To find answers to restoring the PPA so that I can install TLP(power manager) and other software


  2. #2
    Join Date
    Jun 2010
    London, England
    Ubuntu Development Release

    Re: Adding Main Repositories

    My guess is that your link to the repository of the PPA is incorrect. It is always best to remove any PPAs before Upgrading to avoid issues like this. From the Launchpad page ofr this PPA i see this

    If you open the Ubuntu Software tab in that utility you may see that the Main repository is still there. See, the tick mark against Canonical-supported free and open source software (main).

    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530

  3. #3
    Join Date
    Jun 2012

    Re: Adding Main Repositories

    Ok I did that, the main was checked. Perhaps I have to reset the APT?

    How can i edit the repository text file?

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