I installed Ubuntu GNOME 16.04 LTS and I'm having trouble trying to figure out how to apply a GTK theme to GDM. In my searches for an answer I have seen a couple of times that GDM has discontinued theme support, but it seemed as though that was referring to themes specific to GDM, rather than general gtk themes.

I've already attempted a couple of things:


Try editing /etc/gdm3/greeter.dconf-defaults

You can restart GDM by running sudo systemctl restart gdm3

Note that running that command will immediately end all of your graphical logged in sessions so save your work first.

Source: /usr/share/doc/gdm3/README.Debian

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  • well, I managed to break everything and get a low graphics mode error by not editing it right, but I have now adjusted my syntax, and it is now starting GDM properly, but it still does not seem to have adjusted the appearance imgur.com/a/iG88u have I formatted my edit correctly? – Christen Edmundson Jul 26 '16 at 5:44
  • I now tested with a GTK theme here and it didn't do anything either. However setting 'icon-theme' worked to at least change the icons. – Jeremy Bicha Jul 26 '16 at 18:01

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