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I am trying to temporarily disable the GUI in Ubuntu 12.04 LTS. When I follow these instructions and type sudo stop lightdm it does disable to the GUI, but all that is left is a black screen without a terminal. What I would like to be able to do is turn the GUI off, run a script from the terminal, and then turn the GUI back on.

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up vote 3 down vote accepted
  • Turn the gui off by pressing ctrl+alt+F1.

  • Run the script from the virtual console.

  • Then run sudo service lightdm restart command to get back gui on.

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