Install video drivers ([AMD/ATI] Hawaii PRO GL [FirePro W8100])

cd /home/virgoop/Downloads/
wget https://www2.ati.com/drivers/linux/rhel6/amdgpu-pro-18.20-621984.tar.xz
tar -Jxvf amdgpu-pro-18.20-621984.tar.xz
cd amdgpu-pro-18.20-621984/

Disable screensaver, energy save

xset -dpms
xset s off
xset s noblank

Disable Shutdown,Reboot, halt in GNOME interface

Try this: create a file named, say, 55-inhibit-shutdown.rules in /etc/polkit-1/rules.d/ with the following contents:

polkit.addRule(function(action, subject) {
    if ((action.id == "org.freedesktop.consolekit.system.stop" || action.id == "org.freedesktop.consolekit.system.restart") && subject.isInGroup("admin")) {
        return polkit.Result.YES;
   else {
        return polkit.Result.NO;

Since /etc/polkit-1/rules.d is one of two places that are constantly monitored, no reload/restart should be needed and the new rule should automagically come into effect. 
Topic revision: r3 - 06 Apr 2021, UnknownUser
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