How to start on the masterclient (Dedicated server)

Hi! So i made everything work on my end with the player spawning etc through the Photon Cloud, but i want to make a dedicated server to allow 50 connections. I already have a host but i just need to make the server itself.

Is there somewhere a tutorial on how to make a masterclient for PUN? that is 24/7 online (as long your host lets you )

Upon searching i didnt find anything YET

Thanks guys!