Customize login window

Is it possible to customize the wallpaper and user image of the login window that is presented at boot?

I couldn’t find any setting, and forum and ddg searches did not produce relevant results, so I’m turning to you.


The program that is used for your initial login is lightdm.

Custom Wallpaper

The configuration file is at /etc/lightdm/lightdm-gtk-greeter.conf

There is a line (the only one uncommented for me) that points to your wallpaper image. Change it to whatever you like.

Custom User Icon

Dunno. Found this should work but i have not tried that.


Just needed to add default-user-image=/PATH/TO/IMAGE to the same file, under [greeter].

Thank you!

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See also: Change default screen locker from XScreenSaver · Issue #1917 · QubesOS/qubes-issues · GitHub.

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I was really referring to the lightdm login window, not the screensaver.
But this seems interesting and worth the read, thanks!

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I make changed to my wallpaper login screen in greeter.conf
but login screen wallpaper now give me black screen, and me changed not working.
how I can fix it