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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: How do I get my Pi4 (Fedora) to use a real and stable MAC
 address?
Date: Sat, 14 Sep 2024 22:31:58 -0000 (UTC)
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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»