Why Restart & Shutdown Buttons on login screen

[Todd Denniston]

Aaron Konstam wrote, On 04/29/2008 04:24 PM:
> On Wed, 2008-04-30 at 00:19 +0930, Tim wrote:
>> On Tue, 2008-04-29 at 08:55 -0500, Aaron Konstam wrote:
>>> I guess I am confused. I can not find an option
>>> in /usr/share/gdm/defaults.conf or in gdmsetup which controls the
>>> display of restart and shutdown in the login screen. I am having
>>> trouble finding the line that causes Face browser to show up. 
>> You pick a theme that doesn't have them, or use the built-in plain login
>> greeter which lets you turn them on and off, then set the login options
>> to disallow changing the theme.  Or you could change the commands called
>> by GDM if someone picked those shutdown or reboot options (set them to a
>> command that does nothing).
>>
>>
>> # Reboot, Halt and suspend commands, you can add different commands separated
>> # by a semicolon.  GDM will use the first one it can find.
>> RebootCommand=/sbin/reboot;/sbin/shutdown -r now;/usr/sbin/shutdown -r now;/usr/bin/reboot
>> HaltCommand=/sbin/poweroff;/sbin/shutdown -h now;/usr/sbin/shutdown -h now;/usr/bin/poweroff
>>
>>
>> # Enable the Face browser.  Note that the Browser key is only used by the
>> # standard login (gdmlogin) program.  The Face Browser is enabled in 
>> # the Graphical greeter by selecting a theme that includes the Face
>> # Browser, such as happygnome-list.  The other configuration values that
>> # affect the Face Browser (MinimalUID, DefaultFace, Include, Exclude,
>> # IncludeAll, GlobalFaceDir) are used by both the Standard and Themed
>> # greeter.
>> Browser=false
>>
>>
>> # The Actions menu (formerly system menu) is shown in the greeter, this is the
>> # menu that contains reboot, shutdown, suspend, config and chooser.  None of
>> # these is available if this is off.  They can be turned off individually
>> # however.
>> #SystemMenu=true
> The above discussion is interesting except in
> my /usr/share/gdm/defaults.conf file:
> Browser=false - yet I have face logins
> and
> #SystemMenu=true
> still I can shutdown from the login menu.
> 

I think you want
Browser=false
and
SystemMenu=false
Notice the lack of '#' in front.

Also note that gdm may need restarted to make it take effect.
https://www.redhat.com/archives/fedora-list/2007-December/msg01819.html
And are you sure the file should be /usr/share/gdm/defaults.conf instead of 
/etc/gdm/custom.conf???


Usually confs that are used are in /etc

-- 
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter