With current cinema exhibition equipment becoming end-of-live and the plethora of new Laser-based projectors and next-generation cinema players, monitoring the type of equipment you have and specifically, the version of the software they are running is becoming an important function of a reliable cinema experience.
In this video, I go over how an open source tool can be used to make it easy to archive this.
See GitHub repo:
https://github.com/jamiegau/cinema-nmap-scripts
See the mentioned video about the free GUI tool that uses this software at:
https://youtu.be/7JnhEDdOobo