Sometimes, an Ethernet interface will install itself as “p1p1” or “enp48a” or the like instead of the traditional “eth0”, and some old software will only accept “eth0” for licensing.
Here’s how to rename your network card to legacy names like “eth0” in Ubuntu if you need to:
/etc/default/grubline to say
- login and type
ifconfigto confirm your network adapter is at eth0