Re: [Samba] passdb.tdb shows no users in new 4.3.11-ubuntu install?
- Date: Tue, 12 Jun 2018 17:18:42 +0100
- From: Rowland Penny via samba <samba@xxxxxxxxxxxxxxx>
- Subject: Re: [Samba] passdb.tdb shows no users in new 4.3.11-ubuntu install?
On Tue, 12 Jun 2018 11:56:14 -0400
"David H. Durgee via samba" <samba@xxxxxxxxxxxxxxx> wrote:
> Rowland Penny via samba wrote:
> > On Tue, 12 Jun 2018 09:31:57 -0400
> > "David H. Durgee via samba" <samba@xxxxxxxxxxxxxxx> wrote:
> >> I enabled logging at level 3 on my new 4.3.11-ubuntu (sylvia)
> >> system to see why I was not opening a share properly from another
> >> system. The log shows:
> >> [2018/06/11 20:49:13.418108, 3]
> >> ../source3/auth/auth.c:178(auth_check_ntlm_password)
> >> check_ntlm_password: Checking password for unmapped user
> >> [AGI-NET]\[dhdurgee]@[Z560] with the new password interface
> >> [2018/06/11 20:49:13.418124, 3]
> >> ../source3/auth/auth.c:181(auth_check_ntlm_password)
> >> check_ntlm_password: mapped user is:
> >> [DG41TY]\[dhdurgee]@[Z560] [2018/06/11 20:49:13.418178, 3]
> >> ../source3/auth/check_samsec.c:400(check_sam_security)
> >> check_sam_security: Couldn't find user 'dhdurgee' in
> >> passdb. [2018/06/11 20:49:13.418201, 2]
> >> ../source3/auth/auth.c:315(auth_check_ntlm_password)
> >> check_ntlm_password: Authentication for user [dhdurgee] ->
> >> [dhdurgee] FAILED with error NT_STATUS_NO_SUCH_USER
> >> [2018/06/11 20:49:13.428484, 3]
> >> ../source3/auth/auth_util.c:1602(do_map_to_guest_server_info)
> >> No such user dhdurgee [AGI-NET] - using guest account
> >> So it appears that "dhdurgee" is not in passdb for some reason.
> >> Checking this on that system shows:
> >> dhdurgee@DG41TY ~ $ sudo pdbedit --list --verbose
> >> [sudo] password for dhdurgee:
> >> WARNING: The "syslog" option is deprecated
> >> dhdurgee@DG41TY ~ $
> >> So there are no users in passdb? Doing the same on 3.6.25 (maya)
> >> shows unix users nobody and dhdurgee as expected.
> >> Is the passdb compatible between the two? Can I simply copy the
> >> 3.6.25 version over the 4.3.11 one? Shouldn't the passdb have been
> >> initialized properly when samba was installed? Is there an
> >> initialization utility to run to do so? The 3.6.25 version of
> >> passdb.tdb is 36864 bytes while the 4.3.11 version is 421888 bytes
> >> respectively.
> >> Dave
> > Welcome to the wonderful world of running Samba as a standalone
> > server ;-)
> > You need to create your users and groups on the new server, both as
> > Unix & Samba users and groups, you will also have to add users to
> > the required groups. You will also have ensure that the connecting
> > user has the same password as the Samba user. This can quickly
> > become a pain, such as when a connecting user changes their
> > password, you need to come up with a way to also change the users
> > Samba password as well.
> > You may be able to copy the Samba tdb files from one server to the
> > other, I am unsure because I have never tried it, I abandoned
> > standalone servers so time ago.
> > Rowland
> Ah, I was wondering about that. Do the tdb files need to be copied
> as a set? Given my 3.6.25 standalone is working as it should this
> certainly seems the first thing to try.
I don't know, I migrated to Samba AD, because it is easier to maintain,
there is only one place to maintain users & passwords.
All I can suggest is to try it, backup everything, then replace
everything in /var/lib/samba (if that's where Samba lives ;-)
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