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

local10 <local10@xxxxxxxxxxxx> writes:

> 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.

For what it's worth, I'm running network-manager and my ethernet port
(enp4s0 in my case) isn't listed in /etc/network/interfaces at all.  All
that's in there is lo (the loopback interface).