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I have a really pretty wallpaper for my lock screen. However when I press enter to log in, it's replaced by an unsightly solid purple background. How do I keep the wallpaper image there while logging in (like how it works on Windows 10)?

This is with the standard GNOME desktop environment.

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1 Answer 1

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6

Copy the image you want to use into the /usr/share/gnome-shell/theme/ folder. For example: /usr/share/gnome-shell/theme/my_image_name.png

Then:

sudo gedit /usr/share/gnome-shell/theme/ubuntu.css

OR in some cases:

sudo gedit /usr/share/gnome-shell/theme/gnome-shell.css

Search for the following section:

#lockDialogGroup {
  background: #2e3436 url(resource:///org/gnome/shell/theme/noise-texture.png);
  background-repeat: no-repeat;

Change

background: #2e3436 url(resource:///org/gnome/shell/theme/noise-texture.png);

to

background: #2e3436 url(my_image_name.png);

(without path in case you copy your image to /usr/share/gnome-shell/theme/ like /usr/share/gnome-shell/theme/my_image_name.png).

Alternatively, you can also simply set just a color (without wallpaper or texture) with: 

background: #2e3436;

Set background-repeat to repeat or no-repeat. In case your image is a texture, set it to repeat. In case wallpaper: no-repeat

Reboot.

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  • make sure, the used path to your background image is in an unencrypted part of your hard drive
    – rubo77
    May 24, 2019 at 7:23
  • for the current image use gsettings get org.gnome.desktop.background picture-uri
    – rubo77
    May 24, 2019 at 8:47

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