[Samba] A computer in the Domain got stuck with and old username

[Dr. Nicola Mingotti]

On Mon-29-Jan-2024 19:51, Rowland Penny via samba wrote:
> On Mon, 29 Jan 2024 19:18:36 +0100
> "Dr. Nicola Mingotti via samba" <samba at lists.samba.org> wrote:
>
>> Hi all,
>>
>> ==== SETUP ====
>> I have a samba AC/DC in Debian stable. Several Windows client and a
>> few Linux/Debian-stable client in the domain, one of those client is
>> called CORE1 and it is giving problems.
>>
>> ==== THE FACT ====
>> 2 weeks ago i changed all the Domain user names to a standardized
>> "name.lastname"
>>
>> ==== PROBLEM ====
>> One computer, CORE1, which runs Jupyter, got stuck with an old
>> username. To be more precise, my old username was 'WINDOM\nicola', my
>> new username is 'WINDOM\nicola.mingotti'.
>> CORE1 does not see the new user and still things 'WINDOM\nicola' is
>> available.
>>
>> ==== WAHT I SEE ====
>> . From 2 computers in the Domain, CORE1 and NAS, NAS is right, CORE1
>> is wrong
>> foo at core1> getent passwd | grep nic
>> WINDOM\nicola:*:11103:10513::/home/WINDOM-nicola:/bin/bash
>>
>> foo at nas> getent passwd | grep nic
>> WINDOM\nicola.mingotti:*:11103:10513:Nicola
>> Mingotti:/home/WINDOM-nicola.mingotti:/bin/bash
>>
>> === WHAT I TRIED ====
>> 1] I tried to get out from the domain and in again => not working
>> foo at core1> sudo net ads leave -U XXX
>> foo at core1> suod net ads join -U XXX
>>
>> 2] I tried to inspect with opensnoop what getent is looking at
>> $> sudo opensnoop-bpfcc
>> I saw some systemd got involved so i changed nsswitch.conf like this
>> and reboot
>> ---- /etc/nsswitch.conf ------
>> passwd:         files winbind    # before has also systemd
>> group:          files winbind    # before had also systemd
>> shadow:         files
>> -------------------------------
>>
>> After every major change I rebooted.
>>
>> Do you have any ideas ? I am stuck
>>
>> bye
>> Nicola
> Have you tried running 'net cache flush' (as root) on core1 ?
>
> Rowland
>
>
>

Hi Rowland,
thank you for the suggestion, i tried, also rebooted, it does not make it.
user 'WINDOM\nicola' is still happily there.

Nicola