Tranquil IT Forum

Published: **Dec 3, 2025 - 11:30 AM**

Hello friends

I am having difficulty updating Debian and Samba on a 4-node infrastructure that was installed a long time ago by your technicians.

We have been customers for many years.

I tried to follow the official documentation:

https://samba.tranquil.it/doc/fr/samba_ ... ian12.html

Therefore, I base my work on a fully up-to-date version of Debian 11, which I reboot before starting the operations.

I encounter these errors after:

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apt dist-upgrade

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Des erreurs ont été rencontrées pendant l'exécution :
 /tmp/apt-dpkg-install-KRQ4bQ/02-winbind_2%3a4.22.6+dfsg-2-1bookworm1_amd64.deb
 /tmp/apt-dpkg-install-KRQ4bQ/06-samba-libs_2%3a4.22.6+dfsg-2-1bookworm1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

(I know the output in French isn't great)

I am being asked to do a:

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apt --fix-broken

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Traceback (most recent call last):
  File "/usr/bin/apt-listchanges", line 29, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'
Extraction des modèles depuis les paquets : 100%
(Lecture de la base de données... 67015 fichiers et répertoires déjà installés.)
Préparation du dépaquetage de .../winbind_2%3a4.22.6+dfsg-2-1bookworm1_amd64.deb ...
Dépaquetage de winbind (2:4.22.6+dfsg-2-1bookworm1) sur (2:4.17.12+dfsg-1.1bullseye1) ...
dpkg: erreur de traitement de l'archive /var/cache/apt/archives/winbind_2%3a4.22.6+dfsg-2-1bookworm1_amd64.deb (--unpack) :
 tentative de remplacement de « /usr/share/man/man8/idmap_rfc2307.8.gz », qui appartient aussi au paquet samba-libs:amd64 2:4.17.12+dfsg-1.1bullseye1
Reinstalling /etc/logrotate.d/winbind that was moved away
Pas de détournement « détournement de /usr/lib/x86_64-linux-gnu/samba/krb5/async_dns_krb5_locator.so par winbind », aucun supprimé.
winbind.service is a disabled or a static unit not running, not starting it.
Des erreurs ont été rencontrées pendant l'exécution : 
 /var/cache/apt/archives/winbind_2%3a4.22.6+dfsg-2-1bookworm1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

And that prevents us from going further.

It seems that the Python version is naturally the culprit and that this will cause a lot of problems with the libraries for the rest of the upgrade.

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ls /usr/lib/python3/dist-packages/apt_pkg.cpython-*   
apt_pkg.cpython-311-x86_64-linux-gnu.so

All the apt-clean operations, cache clearing, etc... have yielded no results.

I'm working on a virtual machine stage with Snapshots, so I can test quite a bit. If anyone has any advice, I would be very grateful to receive it.

Have a great day, friends.

Val.

Published: **Dec 3, 2025 - 11:39**

Good morning
You would need to remove these packages (without purging) and then type the command to install the necessary packages:

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apt-get install samba winbind libnss-winbind krb5-user smbclient ldb-tools python3-cryptography

https://samba.tranquil.it/doc/fr/samba_ ... e-packages

Published: **Dec 3, 2025 - 12:34**

Thank you @blemoigne and @Bertrand TRanquilIT

It seems to work like this:

These packages should be uninstalled BEFORE changing the sources (when on a fully updated and rebooted Debian 11 system).

without purging to keep the configurations:

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apt remove samba winbind libnss-winbind krb5-user smbclient ldb-tools python3-cryptography

We perform all the operations as described in the documentation (don't forget the chronograph).

after the dist-upgrade we reboot

And now we reinstall the packages:

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apt install samba winbind libnss-winbind krb5-user smbclient ldb-tools python3-cryptography

I didn't encounter any errors. Now I'm putting the VM back into production and will report back if it doesn't work.

@+

Published: **Dec 8, 2025 - 5:31 PM**

Hello wapt42,

we tend to follow the developments of Michael Tokarev from the Samba packaging team for Debian regarding package structuring. The tradition in Debian is to break software into many small pieces in many different packages. The problem arises when modules are moved within Samba; this then causes conflicts between packages that share the same file between one distribution version and the next.

Often, the only way to upgrade while keeping apt/deb happy is to uninstall and reinstall... As long as you don't purge the system, it doesn't cause any problems with the data and configuration files

. Regards,

Denis

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