What All Do I Send Over To Server Hosting Computer?

Ok so my friend got a server hosting computer setup for our server.

im not to sure what i send over to him for the server to be up and running cause idk if some stuff is bound to my directory on my computer

is there a tutorial or any forums that show what a server hosting computer needs so we can fully get up and running. same with

updating stuff and sending it to that computer.

The documentation has everything you need: