Typically I find the upstream Gnome3 guide a bit more complete: 
https://help.gnome.org/admin/system-admin-guide/stable/index.html.en

I do not see a suitable setting there either.....

Pat

On 08/28/2015 01:23 PM, Nathan Moore wrote:
> In older versions of SL one could include the machine name in the 
> login banner.  Somethings like "%n.university.edu 
> <http://n.university.edu>" in the login banner config screen would 
> produce "physics1.university.edu <http://physics1.university.edu>" at 
> the login screen.
>
> In the present RHEL7 documentation (link below) I don't see this 
> option in the dconf docs.  Is there an easy way to include machine 
> name in the gdm login screen?
>
> ​reference, 
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Desktop_Migration_and_Administration_Guide/customizing-login-screen.html 
> ​
>
> -- 
> - - - - - - -   - - - - - - -   - - - - - - -
> Nathan Moore
> Mississippi River and 44th Parallel
> - - - - - - -   - - - - - - -   - - - - - - -
>

-- 
Pat Riehecky
Scientific Linux developer

Fermi National Accelerator Laboratory
www.fnal.gov
www.scientificlinux.org