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I am trying to customize an 11.10 LiveCD. Everything is working great, except I cannot figure out how to change the default wallpaper. Which configuration file(s) do I need to edit?

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Here's how you can change the default wallpaper; for example, we'll set it to the included "Wild Wheat" (/usr/share/backgrounds/WildWheat_by_Brian_Burt.jpg):

  • Within the LiveCD chroot, open nano /usr/share/glib-2.0/schemas/10_gsettings-desktop-schemas.gschema.override, and change the below line to the path for your file:

    picture-uri='file:///usr/share/backgrounds/warty-final-ubuntu.png'
    
  • For our example, that becomes:

    picture-uri='file:///usr/share/backgrounds/WildWheat_by_Brian_Burt.jpg`
    
  • Finally, compile the modified schemas with:

    glib-compile-schemas /usr/share/glib-2.0/schemas 
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This seems like it should work, but for some reason it isn't. I suspect remastersys is doing something funny. –  jlewis42 Sep 11 '12 at 19:27
    
Yes, Remastersys is often problematic because of how it works compared to UCK or Ubuntu Builder. Perhaps try one of those? –  izx Sep 11 '12 at 21:09
    
With Ubuntu 13.10, it is /usr/share/glib-2.0/10_ubuntu-settings.gschema.override :) –  Benoît Legat Mar 31 at 14:01
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