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Dr.C.Badrinathan
Asked: 2012-06-10 08:40:58 +0800 CST

How do I enable the "Universe" repository?

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How do I get to the Universe Repository in supported versions of Ubuntu?

software-center

4 Answers

  1. If you want in one command and not use Software source ticking then in terminal put:

    sudo add-apt-repository universe

    On older versions of Ubuntu, you might have to use a full source line:

    sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) universe"

    To enable all Ubuntu software (main universe restricted multiverse) repositories use

    sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) main universe restricted multiverse"

    you can add also partner repository with different link (see difference is ubuntu to canonical)

    sudo add-apt-repository "deb http://archive.canonical.com/ubuntu $(lsb_release -sc) partner"

    Then update the package list:

    sudo apt-get update

    p.s.

    $(lsb_release -sc) checks your Ubuntu version and puts its name in the source link. Since 12.04 is called precise, you can test in a terminal that lsb_release -sc gives precise. That adds the precise name of your Ubuntu release in Software sources. Wrong word and nothing will work.

    For all differences in repositories read https://help.ubuntu.com/community/Repositories/Ubuntu

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  2. First, open software center. Click on 'edit' and then 'software sources' to open the software sources window. Once that is open, check the box that says, "Community-maintained free and open-source software (universe)."

    enter image description here

    Now, all the universe packages should show up in software center just like all the other ones.

    More information:

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  3. Command Line Way of enabling Ubuntu software Repositories For 12.10 and above:

    To enable main repository,

    sudo add-apt-repository main

    To enable universe repository,

    sudo add-apt-repository universe

    To enable multiverse repository,

    sudo add-apt-repository multiverse

    To enable restricted repository,

    sudo add-apt-repository restricted

    NOTE:

    After enabling the repositories, don't forget to update it.Run the below command to update the repositories,

    sudo apt-get update
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  4. Open dash and type Software sources

    type <code>software sources</code> in Dash

    then open software sources and click on the the universe repository .

    select "Community maintained Open Source Software (universe)"

    Close and reload cache

    reload cache

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