You can e.g. use rsync to copy a complete Linux system with all installed applications from one server to another server. If you goal is to migrate ISPConfig and the target server has ISPConfig installed already, then you might take a look here: https://www.howtoforge.com/tutorial...-confixx-plesk-to-ispconfig-31-single-server/
Which control panel is installed on new server? And @till has already suggested a good knowledge base url about ispconfing to ispconfig migration.
