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I installed Ubuntu 18.04.1 and right away installed Unity and configured lightdm instead of gdm and then removed gnome-shell while in unity enviornment.

Since then no problem except lightdm won't change background according to the wallpaper. There is also no more guest account option.

How to change the lightdm background or make it adapt to the current wallpaper? I'm not looking for moving my wallpaper folder to /usr/share/background for the adapting part. It's obviously stuck somehow because it was fine in 16.04.3. And the /home is not encrypted either.

Bluebug
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1 Answers1

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https://wiki.ubuntu.com/LightDM

create /usr/share/glib-2.0/schemas/10_unity_greeter_background.gschema.override

with content 

[com.canonical.unity-greeter] 
draw-user-backgrounds=false
background='/foo/wallpaper.png'

And run sudo glib-compile-schemas /usr/share/glib-2.0/schemas/ to apply these settings.

Adjust to your needs.

kaiya
  • 151