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Ubuntu allows us to set customized login screen (where it will show up only during logout session).

So, by default it shows just a purple background. I managed to find location directory of that file somehow.

But the thing is, during logout session, when we scroll wallpaper over to checkout user profile screen (DM).

It shows just a grey background, is there any possible way to setup custom image instead of simple grey color?

pomsky
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1 Answers1

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If you are on Ubuntu 18.04 you are probably referring to the GDM login screen.

You want to edit the file /usr/share/gnome-shell/theme/ubuntu.css. The line you're looking for is: background: #2c001e url(resource:///org/gnome/shell/theme/noise-texture.png);.

You can follow a more elaborate tutorial.

You can look for the logout color you are seeing and replace it in the ubuntu.css file.