[HELP]How to run two servers on one computer

Hi all, was wondering how to run 2 server on the same ip if anyone could help me id appreciate it , i search there is an old post about it but the links are not working

this issues already posting here.. im not remember but if i not wrong make 2 folder server1 and 2 then at Account.ini put [server2] then open AccServer and run both of msg & npc server. In sql i not sure. But u can try. Sorry if i wrong..