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If we select default wallpapers in Ubuntu as desktop background image it will automatically set the same image as login screen. But if we use a custom image as a wallpaper it will only change the desktop background but the login screnn will change to a default wallpaper. Why this is happening and how can we set a custom image as background for both desktop and login screen

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1 Answer 1

Reset to default
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A simple trick copy that pic to the background folder

sudo cp somepic.jpg /usr/share/backgrounds/

Now the perfect solution:

  1. Make sure your wallpaper is readable by lightdm

    chmod 644 somepic.jpg

  2. Run this command: 

    gsettings set com.canonical.unity-greeter draw-user-backgrounds true.

    This to enable unity-greeter background drawing if it's not

  3. Run this command:

    gsettings set org.gnome.settings-daemon.plugins.background active true
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  • copied my picture file to /usr/share/backgrounds/ , changed file permission and run gsettings command but still not working
    – Eka
    Jun 2, 2015 at 8:30
  • Install ubuntu tweak and try from there. you can there indicate which to background and which to put as login wallpaper
    – Maythux
    Jun 2, 2015 at 8:32

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