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# Upgrading a Samba domain controller from Debian11 Bullseye to Debian12 Bookworm

Warning

If you use eth type network interfaces, you should set yourself in grub to keep your interface in eth format.

- You need to reconfigure tissamba.list :

    wget -qO- https://samba.tranquil.it/tissamba-pubkey.gpg | tee /usr/share/keyrings/tissamba.gpg > /dev/null
    sha256sum /usr/share/keyrings/tissamba.gpg
      95ab9a408a3e94564f5a9bfb6e82c9dc371f32e92004ee98acbf64b431c93e81  /usr/share/keyrings/tissamba.gpg
    echo "deb [signed-by=/usr/share/keyrings/tissamba.gpg] https://samba.tranquil.it/debian/samba-4.24/ $(lsb_release -c -s) main" > /etc/apt/sources.list.d/tissamba.list

Warning

For Samba versions earlier than 4.22.7 please use this gpg key

    wget -qO- https://samba.tranquil.it/tissamba-pubkey-2017.gpg | tee /usr/share/keyrings/tissamba.gpg > /dev/null

- Update repositories configuration for NonFreeFirmware, update all PGP keys and all repositories :

      echo 'APT::Get::Update::SourceListWarnings::NonFreeFirmware "false";' > /etc/apt/apt.conf.d/no-bookworm-firmware.conf
      sed -i 's/bullseye/bookworm/g' /etc/apt/sources.list /etc/apt/sources.list.d/*

- Update the host:

      apt-get update
      apt-get dist-upgrade

Hint

If you have an error during the dist-upgrade, you can use the command “apt –fix-broken install” to fix it.

- Change the ntp configuration with chronyd: configure the NTP service (chrony). This is a very important step !

- Restart the host:

      reboot

- Check the version of the Samba server:

      samba-tool --version