Q: How to change the default port number for GNUMP3d?
e.g. Assumed that new port number is 7878
sudo cp /etc/gnump3d/gnump3d.conf /etc/gnump3d/gnump3d.conf_backup sudo gedit /etc/gnump3d/gnump3d.conf
port = 8888
port = 7878
sudo /etc/init.d/gnump3d restart