Ubuntu – Removing Katoolin from Ubuntu 14.04


I made the mistake of installing Katoolin package https://github.com/LionSec/katoolin. The problem is it botched up my Ubuntu, many packages don't work anymore. System update doesn't work anymore.

The question: is there a way to somehow uninstall this from my Ubuntu without re-installing the OS??

PS: Piece of advice to people who want to study computer security: stay away from this Katoolin tool! Think at least ten times before installing it.

Best Answer

Answer in progress

  1. Run the Python script in /usr/bin/katoolin again

    sudo /usr/bin/katoolin
  2. Select 1) Add Kali repositories & Update

  3. Select 3) Remove all kali linux repositories

  4. Run

    sudo apt-get update
    sudo apt-get install -f
    sudo apt-get autoremove
  5. Remove the katoolin script

    sudo rm /usr/bin/katoolin
  6. Run

    gksu gedit /etc/*release  

    Change the file like this (depending on your release):

    DISTRIB_CODENAME=Xenial Xerus  
    DISTRIB_DESCRIPTION="Ubuntu 16.04"  

    Save and close the file.

  7. Run

    gksu gedit /etc/*issue  

    Change the file like this (depending on your release):

    Ubuntu 16.04 \n \l  

    Save and close the file.

  8. sudo apt-get install --reinstall software-center

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