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#1 2013-04-23 10:22:19

meijuh
Member
Registered: 2013-03-21
Posts: 20

Unable to change GDM3.8 login wallpaper

I am unable to change the GDM3.8 login wallpaper.

I tried updating the wallpaper with sudo gdm3setup.py.

Also changing org.gnome.desktop.background with dconf-editor changes only the background of gnome-shell not the login screen from GDM.

I am only seeing a grey background, whatever I do.

How should I update the GDM3.8 login wallpaper?

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#2 2013-04-23 13:50:37

mjb
Member
From: Germany
Registered: 2012-01-28
Posts: 66

Re: Unable to change GDM3.8 login wallpaper

To change the wallpaper of the login screen use

# mkdir /opt/login
# echo -e "[org/gnome/desktop/background]\npicture-uri='file:///opt/login/wallpaper.jpg'" > /etc/dconf/db/gdm.d/01-background
# cp [YOUR FILE] /opt/login/wallpaper.jpg
# dconf update

where [YOUR FILE] needs to be a *.jpg picture.

Last edited by mjb (2013-04-23 13:55:51)

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#3 2013-04-24 18:18:13

meijuh
Member
Registered: 2013-03-21
Posts: 20

Re: Unable to change GDM3.8 login wallpaper

It does not seem to work. The contents of /etc/dconf/db/gdm.d/01-background is now

[org/gnome/desktop/background]
picture-uri='file:///opt/login/wallpaper.jpg'

Also I checked that the image can be viewed.

But still the wallpaper does not show in GDM.

*edit: I am using a theme in GDM, I dont know if this matters?

Last edited by meijuh (2013-04-24 18:20:47)

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#4 2013-04-25 05:33:59

mjb
Member
From: Germany
Registered: 2012-01-28
Posts: 66

Re: Unable to change GDM3.8 login wallpaper

How did you set up the theme?

And have you tried this (exporting the session variables and then changing dconf) before?

EDIT: I just had an idea. Does your wallpaper look something like this, because this is what is is supposed to look like!

Last edited by mjb (2013-04-25 05:37:57)

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#5 2013-04-27 09:20:20

meijuh
Member
Registered: 2013-03-21
Posts: 20

Re: Unable to change GDM3.8 login wallpaper

Yes that is what it looks like. I find it rather weird that I have to go to so much trouble in order to change the GDM wallpaper. In GDM 3.6 I could just start up gdm3setup and select a different one.

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#6 2013-04-27 10:42:43

mjb
Member
From: Germany
Registered: 2012-01-28
Posts: 66

Re: Unable to change GDM3.8 login wallpaper

Well this is supposed to be the overlay for the wallpaper. Much like in the lock screen. This is not a bug, but a feature.

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#7 2013-04-28 04:23:35

sidneyk
Member
From: Bonner Springs, KS. USA
Registered: 2011-04-22
Posts: 129

Re: Unable to change GDM3.8 login wallpaper

I haven't tried yet with Gnome 3.8, but on Gnome 3.6, just before the update, I noticed a few things. First, gdm3setup would let me choose a wallpaper for gdm, but it only seems to apply it to the lock screen. There is a file in a gdm folder, I believe it was in /usr/share/* somewhere (I'm not at my Arch box presently) named texture.png or something to that effect and if you move a background pic to that folder, properly sized and converted to the same format and renamed to what the original was, then you could get it to work that way. I think I also got it to work by editing a line or 2 in one the configuration files there and pointing it to the picture I wanted. When I'm at my machine, I'll try this again and see what I actually had to do and if it works now with 3.8.

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#8 2013-05-21 09:38:31

butler360
Member
Registered: 2012-09-08
Posts: 26

Re: Unable to change GDM3.8 login wallpaper

This is the file, just make sure the resolution is correct for your screen.

/usr/share/gnome-shell/theme/noise-texture.png

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#9 2014-04-18 11:31:32

hrkristian
Member
Registered: 2013-06-28
Posts: 19

Re: Unable to change GDM3.8 login wallpaper

butler360 wrote:

This is the file, just make sure the resolution is correct for your screen.

/usr/share/gnome-shell/theme/noise-texture.png

This ended up being my solution, after every other documentation/solution proved unfruitful with GDM 3.12.

Should we be updating the GDM wiki entry to address this, or is the offered solution still relevant despite not working for us?

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