==== xubuntu 22.04 ====
  * screen always on
    * ''xset -dpms''
    * ''xset s 0 0''
    * ''xset s noblank''
    * (it appears these settings do not stick on reboot)
  * disable laptop lid from doing anything
    * edit ''/etc/systemd/logind.conf'', and change ''#HandleLidSwitch=suspend'' to ''HandleLidSwitch=ignore''
  * disable screensaver in GUI
  * set appropriate options in power manager GUI
  * to enable autologin create a ''.conf'' file inside ''/etc/lightdm/lightdm.conf.d'' that looks something like
<code>
[Seat:*]
autologin-user=PUT_USERNAME_HERE
</code>
  * use presentation mode?