On Wed 01 Aug 2018 at 12:00:41 -0400, Mark Neidorff wrote: > I'm setting up a "just in case" replacement mailserver for my domain and my > local network. I'm using Debian Jessie, because the latest instructions for > setting the mailserver (qmail) are written for Jessie. The mailserver has 2 > NICs (one for local network, and one for Internet). > > In the past, I referred to each NIC as eth0, eth1,..... but now, these names > are not permanent, and the designation can change on boot. I looked at the > "Network Coinfiguration" document which didn't have a solution. So, either > how > do I make the names for the NICs permanent or what do I use fot the names of > the NICs?
Starting with v197, systemd/udev will automatically assign predictable, stable network interface names for all local Ethernet devices. jessie has udev v215. jessie-backports has v230. -- Brian.
