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How to Add Sources to the SOURCES.LIST File in Adept

written by: Berry van der Linden•edited by: Michele McDonough•updated: 9/30/2009

Ever wondered why some packages aren't updating automatically? This is because there is no link for this package in the sources.list file of Adept. This article shows you how to add these sources.

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    Why Add Anything to that File?

    If you go around the Internet and find a package that you would like to use, usually you have to install from a .deb file using a .deb package installer. These packages, however, do not get updated via the Adept-updater like the packages you install in Adept or Synaptic.

    The .deb packages are considered “manually installed" and as Adept doesn't have sources in the sources.list file for them, they will not be automatically updated. In other words Adept does not know where to look for updates.

    Usually packages that offer the ability to add a source to Adept will have this listed on their website. A source line for sources.list looks like this:


    The sources.list file can be edited in three ways: via terminal using one of the text editors, Adept, and Synaptic.

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    Adding sources to apt

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    Type in terminal:

    nano /etc/apt/sources.list

    Scroll to the bottom and add the line. You can put in a comment before the line to make a note for yourself that you added that line. The result should look like this:

    # madberry's lines


    To close the file, hit Ctrl+X, type yes, and then hit enter. The source is now added. Type the following commands in terminal to update the sources.

    sudo apt-get update

    sudo apt-get install PackageName

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    In Adept

    Open Adept: kmenu>system>Adept Package Manager. Note this is Adept for KDE 4.

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    The default window.

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    Click Sources in the left menu (the big icons), and this window will come up. Click “Edit Software Sources".

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    Now click on “Third-Party Software".

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    Click on Add.

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    Enter the repository line just like you copied it. Now click OK.

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    Make sure the new source is checked. Click Close.

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    Adept will now start fetching the package files from the sources.

    After this finishes, click Search and find the package you want to install.

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    In Synaptic

    Start Synaptic: kmenu>system>Synaptec Package Manager.08-synaptec 

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    This screen shot shows the default window.

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    Click on Settings, and then click on Repositories.

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    Click on the “Third-Party Software" tab.

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    Click the Add button.

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    Enter the APT line. Click “Add Source".

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    Click “Revert" and “Close".

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    Now hit “Reload".

    Package files are being loaded.

    After the reload is done, enter the package name in “Quick Search".

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