This tutorial will leads you to
Set multiple char-server as shown as multi services after login in RO Client
Set multiple map-servers for 1 char-server
A Lazy setup
So called Lazy setup because this guide only "copy" the necessary super minimum config file.
The Lazy config will runs same server cores, so if server is compiled in renewal, you only can change the rates as example
to make different server types (mod, renewal vs pre) you have to c