If you're the type of person who installs Ubuntu's server edition, you're also likely the sort of person who knows how to configure network settings. For most distributions, especially those based on ...
I changed the fixed ip address in network/interfaces on server XYZ, and "ip addr" reflects the change. I rebooted XYZ. I am able to ssh to the system using the new IP addr (192.168.1.1) . However ...