[LightDM] disable and remove shutdown/restart/suspend/hibernate/ button on login screen

[Rex Dieter]

xm xm wrote:

> Hello everyone,
> 
> I have CentOS 7+lightdm+xfce installed.
> I don't want any user( except root) to be able to
> hibernate/suspend/reboot/shutdown from the login screen. I would like to
> remove and disable those buttons.
> 
> Could anyone help me?

See /usr/share/polkit-1/rules.d/lightdm.rules

you'll want to implement a local policy (under /etc/polkit-1/rules.d/ ) that 
overrides that.

-- Rex