Need help..

Hello! I have idea for future that I might do.
So.. I wan't to build computer with linux os to host my bungeecord network but the thing is that..

How good computer I would need to run Bungee network with 40+ players.. and how good internet speed?

And the servers would now be: 1 bungee,1 hubworld,1 survival world,1 minigameworld

and I need some kind of newbie guide to run bungee network on my own linux computer please..