Subj : Re: How do I get my Pi4 (Fedora) to use a real and stable MAC address?
To   : Lawrence D'Oliveiro
From : Lars Poulsen
Date : Sun Sep 15 2024 13:58:09

On 9/14/2024 3:31 PM, Lawrence D'Oliveiro wrote:
> On Sat, 14 Sep 2024 08:37:58 -0700, Lars Poulsen wrote:
>
>> On 9/13/2024 6:37 PM, Lawrence D'Oliveiro wrote:
>>
>>> On Fri, 13 Sep 2024 16:49:58 +0100, The Natural Philosopher wrote:
>>>
>>>> Oh. its network manager that does it
>>>
>>> I disable NetworkManager on machines I consider “servers” or
>>> “infrastructure”. Then I manually configure the network interfaces.
>>
>> So how do I manually configure the ethernet port to use the hardware MAC
>> address?
>
> Every NIC has a built-in address, which it should default to.
>
> Or, a quick look at the docs
> <https://manpages.debian.org/8/ip-link.8.en.html> gives
>
>      ip link set «device» address «addr»

Not quite responsive:
1) I do not want to invent a MAC address, I want to tell it to use the
manufacturer's supposedly unique default address AFTER the
OS/driver/network-manager/whatever has already wiped it out during the
boot process. Your command example assumes that I know what it is.
2)As you can see in the subject line, I am running Fedora, not
rasp(b)ian. Even if Fedora's GUI does not work on the RP4, I would
rather run headless than have to learn Debian system management after a
decade of living in RedHat world.

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