$ sudo apt-get update
$ sudo apt-get install fs-uae-netplay-server 

fs-uae-netplay-server is installed in your system.

Make ensure the fs-uae-netplay-server package were installed using the commands given below,

$ sudo dpkg-query -l | grep fs-uae-netplay-server *

You will get with fs-uae-netplay-server package name, version, architecture and description in a table

fs-uae-netplay-server package basic information: