[Samba] clients not connecting to samba shares

Tue Mar 28 19:41:27 UTC 2023

In Debian try:

rm /run/samba/*.tdb \
/run/samba/*.ldb \
/var/lib/samba/*.tdb \
/var/lib/samba/*.ldb \
/var/cache/samba/*.tdb \
/var/cache/samba/*.ldb \
/var/lib/samba/private/*.tdb \
/var/lib/samba/private/*.ldb

Regards.

LP
On 28 Mar 2023 at 20:35 +0100, Gary Dale via samba <samba at lists.samba.org>, wrote:
> On 2023-03-28 12:46, Rowland Penny via samba wrote:
> >
> >
> > On 28/03/2023 17:30, Gary Dale via samba wrote:
> > > It reports an error and samba doesn't start.
> > > >
> > > > >
> > > > > So now I'm at the point that the samba service refuses to start.
> > > >
> > > > I cannot see why removing the lines I suggested would stop Samba
> > > > starting, I take it that you are starting Samba with 'systemctl
> > > > start samba-ad-dc'. Is there anything in the logs that shows why it
> > > > no longer starts ?
> > > It seems to think it isn't a DC.
> >
> > Very strange, a typical Samba AD DC smb.conf would look like this:
> >
> > [global]
> >     bind interfaces only = Yes
> >     dns forwarder = 8.8.8.8
> >     interfaces = lo eth0
> >     netbios name = RPIDC2
> >     realm = SAMDOM.EXAMPLE.COM
> >     server role = active directory domain controller
> >     workgroup = SAMDOM
> >     idmap_ldb:use rfc2307 = yes
> >
> > [sysvol]
> >     path = /var/lib/samba/sysvol
> >     read only = No
> >
> > [netlogon]
> >     path = /var/lib/samba/sysvol/samdom.example.com/scripts
> >     read only = No
> >
> > > I tried removing the current smb.conf and re-provisioning the domain
> > > but that has failed.
> >
> > Did it give a reason, such as the smb.conf existed for instance ?
> >
> > > >
> > > > >
> > > > > I'm loath to upgrade the samba version from the Debian version
> > > > > without a clear benefit, It doesn't look like it would fix the
> > > > > problem I'm having.
> > > >
> > > > The benefit is that you would be running a Samba supported version.
> > > And losing the Debian/Stable one....
> >
> > Which is maintained by the same guy that maintains the Debian
> > backports Samba package.
> >
> > > >
> > > > > Nor does this look like it's related in any way to using the DC as
> > > > > a file server - something I've been doing for two decades without
> > > > > problems.
> > > >
> > > > I do not think you could have been running a Samba AD DC for two
> > > > decades, you probably ran A PDC at the start and you could use those
> > > > as fileservers. Right from the start, Samba (like Windows) has
> > > > always recommended just using a DC for authentication, but hey, it
> > > > is your computer, use it as you like, but just be aware of the
> > > > limitations.
> > > It wasn't an AD DC but it was the DC for my Domain.
> >
> > Win 2k or 2003 ??
> >
> > > >
> > > > > The Samba Wiki caveats seem more related to organizational issues
> > > > > than technical ones.
> > > >
> > > > The main technical one is that, because of the ACL's setup required
> > > > for Sysvol, you must set any share permissions from Windows.
> > > And that's not organizational?
> >
> > No, not really, I would have said using multiple DC's or Sites was
> > organisational, setting permissions from Windows is technical in my book.
> >
> > > >
> > > > >
> > > > > I'm considering tearing down everything and starting fresh. Decades
> > > > > of accumulated crud could be real problem, since virtually
> > > > > everything I've read suggests that a simple setup like mine should
> > > > > just work.
> > > >
> > > > It should just work, in the main it should be easier than a PDC, but
> > > > when used as a fileserver it can get a little bit harder.
> > > >
> > > > Rowland
> > >
> > > Something is seriously wrong now. I had some memory go bad on the
> > > server not too long ago. Possibly that screwed up something.  I don't
> > > think I've got any real choice now but to purge.
> >
> > This could be anything, HDD failing, power supply, just about
> > anything, but it does sound like starting again might be a good idea.
> > If you are starting again, then I would urge you to consider having
> > multiple DC's and a separate fileserver.
> >
> > Rowland
> >
> I tried as best I could to remove the old installation with apt purge
> samba  && apt autoremove followed by a reboot. When that didn't quite do
> the job, I tried apt purge python3-samba && apt autoremove, That seemed
> to be a little more thorough. For good measure I also removed smbclient.
>
> That left me with an apt install samba failing to --configure. It seemed
> to want an smb.conf file that didn't exist yet. Running samba-tool
> domain provision --use-rfc2307 --interactive created one but I noted
> that it was picking up the previous values from somewhere... Anyway, I
> could then dpkg --configure samba.
>
> So now I should have a working samba - except I don't.
>
> The /var/log/samba/log.samba shows:
> [2023/03/28 14:56:10.498342,  0]
> ../../source4/smbd/server.c:644(binary_smbd_main)
>   samba version 4.13.13-Debian started.
>   Copyright Andrew Tridgell and the Samba Team 1992-2020
> [2023/03/28 14:56:10.498471,  0]
> ../../lib/util/become_daemon.c:147(daemon_status)
>   daemon_status: daemon 'samba' : Starting process...
> [2023/03/28 14:56:10.596364,  0]
> ../../source4/smbd/server.c:920(binary_smbd_main)
>   binary_smbd_main: samba: using 'prefork' process model
> [2023/03/28 14:56:10.632970,  0]
> ../../source4/smbd/service_task.c:36(task_server_terminate)
>   task_server_terminate: task_server_terminate: [kdc:
> hdb_samba4_create_kdc (setup KDC database) failed]
> [2023/03/28 14:56:10.641278,  0]
> ../../source4/smbd/service_task.c:36(task_server_terminate)
>   task_server_terminate: task_server_terminate: [kdc:
> hdb_samba4_create_kdc (setup KDC database) failed]
> [2023/03/28 14:56:10.641744,  0]
> ../../lib/util/util_runcmd.c:352(samba_runcmd_io_handler)
>   /usr/sbin/winbindd: Failed to exec child - No such file or directory
> [2023/03/28 14:56:10.646204,  0]
> ../../source4/winbind/winbindd.c:46(winbindd_done)
>   winbindd daemon died with exit status 255
> [2023/03/28 14:56:10.646289,  0]
> ../../source4/smbd/service_task.c:36(task_server_terminate)
>   task_server_terminate: task_server_terminate: [winbindd child process
> exited]
> [2023/03/28 14:56:10.648218,  0]
> ../../source4/smbd/service_task.c:36(task_server_terminate)
>   task_server_terminate: task_server_terminate: [kdc:
> hdb_samba4_create_kdc (setup KDC database) failed]
> [2023/03/28 14:56:10.654829,  0]
> ../../source4/smbd/service_task.c:36(task_server_terminate)
>   task_server_terminate: task_server_terminate: [kdc:
> hdb_samba4_create_kdc (setup KDC database) failed]
> [2023/03/28 14:56:10.655864,  0]
> ../../lib/util/become_daemon.c:135(daemon_ready)
>   daemon_ready: daemon 'samba' finished starting up and ready to serve
> connections
> [2023/03/28 14:56:10.656084,  0]
> ../../source4/smbd/server.c:391(samba_terminate)
>   samba_terminate: samba_terminate of samba 3918: kdc:
> hdb_samba4_create_kdc (setup KDC database) failed
>
>
> Anyway, I purged again and tried reinstalling after removing the
> /etc/samba directory - on the theory that it may have been preventing
> apt from seeing this as a clean install. However I got the same errors
> again. Either there is a flaw in the samba package or there is something
> that is making it think it's a reinstall.
>
> Any idea on how I can completely purge samba from the server?
>
>
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