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gdm configure background and screensaver — Fedora 22 only

asked 2015-09-28 23:55:38 -0500

Harald C. gravatar image


In Fedora 22 (specifically) and GDM, how do I configure: - login screen background (I've seen only the logo) - 'screensaver' wallpaper (I think I may have figured this one out but it's hard to test) - 'screensaver' timing/delay (is there a key binding ?)

Many thanks.

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answered 2015-09-29 10:54:17 -0500

florian gravatar image

updated 2015-09-29 11:02:22 -0500

To select background you go to Settings --> Background: Define pictures or colors for both regular background and login screen / locked screen here.

If you go to Settings --> Privacy, you can turn on that your screen gets locked automatically after x minutes. If you want to manually lock your screen you can quickly hit Super ("Windows") + L.

I might be wrong but I guess the traditional screen saver does not exist anymore in modern Fedora. Under Settings --> Power or Perfomance you can set that your screen gets dimmed when you are inactive, and a timer when sceen gets turned off. I guess there is just no need for a screen saver, unless you mean the "locked /login screen"...?!

Another option is access this is using dconf-editor: The keys org.gnome.desktop.background and org.gnome.desktop.screensaver have all relevant information.

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answered 2015-09-30 12:50:26 -0500

swilson gravatar image

Looks like the settings are tied to /usr/share/gnome-shell/gnome-shell-theme.gresource . I do not think the file can be directly edited but it can be recompiled with new settings. Try following the instructions in the following link: and check out post #3. I did not add the login-background.jpg file, so I removed that line from the gnome-shell-theme.gresource.xml file. I also had to install glib2-devel to get the utility glib-compile-resources used to compile gnome-shell-theme.gresource.xml

Also, create a file named noise-texture.png and put in the theme folder before compiling the gnome-shell-theme.gresource.xml file. If you need to make changes, make the changes in the working directory theme folder and recompile. You may also have to play the size of image to get it to fit correctly or you can add some css attributes to the #lockDialog section of the gnome-shell.css file before compiling.

Don't forget to backup the original /usr/share/gnome-shell/gnome-shell-theme.gresource .

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answered 2015-09-29 23:14:05 -0500

msx gravatar image

Check this link for instructions on how to change GDM's background: Good luck!

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Asked: 2015-09-28 23:55:38 -0500

Seen: 4,669 times

Last updated: Sep 30 '15