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I want to change my login screen background (and keep the dots). But I upgraded to cinnamon 2.0 a day ago and then to 13.10 earlier today. I recently became aware of the issue with cinnamon 2.0 and unity on 13.10. This normally would not matter to me since I use cinnamon instead but the only way I know of to change the login screen background is to change unity background. Also all of my backgrounds are jpgs not pngs (in case anyone was gonna say the replace /usr/share/backgrounds/ubuntu-warty.png) and for some reason gimp has issues so converting them is not currently possible for me.

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Hope Ubuntu-Tweak will solve your issue

  • First install latest ubuntu-tweak 0.85 by execute this command in terminal:

    sudo add-apt-repository ppa:tualatrix/ppa
    sudo apt-get update
    sudo apt-get install ubuntu-tweak
  • Once installed open it from dash and go to Tweaks tab.

  • Open Login Settings option under Startup.

  • First click Unlock button located top-right side, give password.

  • After Unlock it will clear to you what to do. i,e If you want to set same login background as the current desktop background you have to click : Set the background as the current desktop background button. or else if you want to change a different one you have to click the big square button above to it.

Hope it will help you to resolve your issue.. Reply if something goes wrong..

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