Integrate Ubuntu 16.04 to AD as a Domain Member with Samba and Winbind – Part 8

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Matei Cezar

I'am a computer addicted guy, a fan of open source and linux based system software, have about 4 years experience with Linux distributions desktop, servers and bash scripting.

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50 Responses

  1. Jim Compton says:

    I just got done adding another Mint machine to the network, and had a devil of a time because it kept saying it couldn’t find /usr/lib/x86_64-linux-gnu/samba/ldb when trying to join the domain.

    I finally found (Thank you SAMBA Mail list!) that it is missing the samba-dsdb-modules. They need installed apt install samba-dsdb-modules. If you need the VFS modules, apt install samba-vfs-modules. Apparently this was a packaging bug at Debian? This may have been fixed since then, but it hadn’t trickled downstream to Mint yet.

    I thought I was going crazy because I’d added several to the domain, and then suddenly it stopped working.

  2. Jim Compton says:

    As a side note, this works pretty well on Linux Mint, but the lightdm information needs to be in /etc/lightdm/lightdm.conf.

    Here’s mine:


    Thanks again for putting this up, Matei!

  3. Darkcap says:

    Hi, This works all except that when i try getent doesn’t show AD users.

    Do i need to change something else.


    • F17 says:

      Same problem here, does anyone has a solution ?

      • Jim says:

        I first checked nsswitch.conf to make sure I didn’t screw anything up, shut down, and restarted the next day (it was quitting time). Worked well after that. I figure if you restart and re-enable various samba services the same thing would probably work. I just needed to head home and that was a great stopping point. LOL

  4. Juan says:

    Hi, nice job, but i’m getting trouble with GID and UID, not the same as the AD, and that generates that AD Shared folders have wrong permissions.

    • Matei Cezar says:

      Try to add the below lines in samba server and on clients:

      Idmap config *:backend = tdb
      idmap config *:range = 85000-86000
  5. Matei Cezar says:

    You need to generate the SSH key on the client and copy the public key on the server with ssh-copy-id command. But only if your AD user has permissions to authenticate on the domain server. Is there any reason why a AD user must authenticate on server-side via SSH? The scope of a AD central authentication server is to provide and verify the credentials required by a account to login on the local box.

  6. Muhammad Yousery says:

    If there is any way to achieve ssh public key authentication between AD and the Ubuntu, I have followed your tutorial and it is great but it achieves only password authentication, not by public keys stored on AD.

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