• 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

[Seat:*]
autologin-user=PUT_USERNAME_HERE

• use presentation mode?