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[SOLVED] Re: Migrating Debian installation to a new motherboard

Nov 1, 2018, 1:57 PM by mstone@xxxxxxxxxx:

> On Thu, Nov 01, 2018 at 05:43:56PM +0100, local10 wrote:
> That means it's down. Note that you said enp3so above, that should be enp3s0 (zero); which did you put in interfaces? Also, there should be either "auto enp3s0" or "allow-hotplug enp3s0". Assuming that's all right, try manually running "ifup -v enp3s0".

That was it. I did have "allow-hotplug" but it was still pointing to enp2s0, not paying attention obviously. After changing "allow-hotplug enp3s0" the network came back, everything works.

So my experience indicates that it is quite possible to replace the motherboard, stick the old hard disk in and the only change that's required (in my case) was to change "/etc/network/interfaces" to reflect the new interface name from enp2s0 to enp3s0 . No need to change NIC MAC address.

Thanks to everyone who responded.