A simple but relatively complete DNS and DHCP implementation based on a MySQL (Or other) database with both servers drawing information from the same source thus eliminating one of the headaches of administering a small network.
...You connect to the device via bluethooth. It is Visible in the first 30 seconds after boot .
Device IP on the bluethooth is 192.168.3.1 and lan is configured to get ip from any dhcpserver.