F16: GDM user list, only show GDM logins

Rich Boyce rich at ebi.ac.uk
Fri Nov 25 11:28:16 UTC 2011


On 23/11/11 13:03, Rich Boyce wrote:
> Hello list,
>
> I'm rolling out F16 in a enterprise (well, academic) environment, and I
> need to get the GDM user list to only show users that have logged in via
>    GDM. At the moment it also shows users that have logged in via SSH.

I've filed a bug for this: 757051

For those that are interested, here's a quick summary of how I've come 
to terms with this: I tried GDM (standard), KDM, and GDM (fallback). 
Here's what I see as their good and bad points:

GDM (standard)
Good: Looks good* without configuration, is default**, provides 
accessibility options
Bad: Unconfigurable, shows SSH users in user list

KDM
Good: Configurable (very), remembers which user logged in to it last
Bad: Needs a lot of tweaking to look good*, non-default**

GDM (fallback)
Good: Looks good* without configuration, configurable (somewhat)***
Bad: doesn't remember which user logged in to it last, no accessibility 
options

* In my opinion
** Using non-default components often exposes bugs
*** At least you can turn off the user list

In my case, I've decided to use GDM fallback mode. The only downsides 
are that it doesn't remember which user logged on to it last so the user 
always has to type their username (not a big deal), and that it doesn't 
provide accessibility options. I don't have time to make KDM look as 
good as GDM does (note, I have a gnome background slideshow that I need 
to use as the login screen background).

This bug report describes how to use GDM fallback mode: 
https://bugzilla.redhat.com/show_bug.cgi?id=753447 - thanks Anders!

When GDM (standard mode) is fixed either with the option to disable the 
user list or to exclude SSH users (my ideal) I'll switch to it.

Rich

-- 
Rich Boyce
Systems Administrator, Desktop Team
EBI Systems Group


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