On Wed, 28 May 2025, accipiter wrote:

> On 5/27/25 7:40 PM, Titus Newswanger wrote:
>>
>> On 5/26/25 14:20, accipiter wrote:
>>> Attempting to delete/remove the connection entry with the wrong data
>>> simply caused the defective connection entry to be replicated, only
>>> now with yet another UUID.  It is this erroneous connection entry that
>>> appears connected to the eth0 device.
>> I had a similar problem just yesterday. Could not remember what all I
>> did to it in the past year, I do know I had majorly modified the
>> networking. I completely redid the network configs but still had the ip
>> address going back to the previous setup. Gave up on it and wiped the
>> hard drive and reinstalled Debian 12. Now everything works great.
>>
>
> It may come to that.  Hate to do it, there are some old bits that I've
> been using to interact with some specialized hardware - it's the whole
> reason why I keep this 14-yo machine.  I can *probably* reconstruct but
> there's a finite probability that I'll miss something that I didn't
> backup.  Without a network connection it all gets harder.
>
> It seems likely that there's some detritus from one or more prior
> versions of Debian that's screwing things up, but I'm not knowledgeable
> enough to figure it out.
>
> This morning's reboot - networking reports via ifconfig and nmcli look
> better (right IP#, gateway, /etc/resolv.conf set properly once I use
> nmcli to force the device to connect, but can't ping the gateway nor
> does pinging this system from other host get any reply.
>
> Thanks to everyone for your suggestions!!  I'll make a few more attempts
> before the total rebuild but I'm not optimistic.
>
>   -F
>

i've been watching this thread and i can't figure it out
why is using network manager so important

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