[Samba] Samba4 on Ubuntu 18.04

Micha Ballmann ballmann at uni-landau.de
Tue May 8 14:25:16 UTC 2018

I installed two samba ad in replication. One fileserver (domain member) 
and printserver (domain member). I built a CTDB cluster with it. All are 
running on Ubuntu 18.04 LTS!

On the AD Server i got a problem with the internal DNS from samba 
because systemd-resolver thought it is the DNS boss now. I disabled 
systemd-resolve (systemctl disable systemd-resolved.service) and mange 
the resolve.conf manually.

Some tips before you install samba:

- If not needed uninstall "cloud init" (some trouble with setting 
hostname and  /etc/hosts file):


- If youre using ntp, disable systemd's timesyncd service (ntp service 
will now start after reboot)

# timedatectl set-ntp off

Please notice, in Ubuntu 18.04 stable not in BETA version, now a 
"swap.img" is mounted in "/" . No swap partition anymore!

In my opinion samba is ready for Ubuntu 18.04.


PS: All server were compiled from source, except the ctbd cluster, i 
used the repository (samba 4.7.6)

Am 08.05.2018 um 15:52 schrieb Gregory Sloop via samba:
> A sort of digest reply...
> RPvs> Not sure, what is a samba4/adc ???
> RPvs> Or do you mean a 'Has anybody joined a Samba DC on Ubuntu 18.04' ?
> Yes, doing an active directory controller [ADC] not just a workgroup-share.
> [Though, not "joining" a DC already in existance, but creating a new AD setup.]
> RPvs> If so, then yes and it was hell
> What exactly was hellish about it?
> Is it your opinion I should use something else, compile from source, or what?
> Did you get it to work satisfactorily eventually?
> [I know you're a long-time list contributor, so I'm very interested in your thoughts.]
> ---
>> What do you need, yes i have compiled a whole samba ad dc structur with 18.04.
> I have compiled Samba4 on Ubuntu from source before, but I'd really like to avoid doing that. It seems like a reasonable trade-off to sacrifice some lack of features [using an older version] for having Ubuntu maintain security patches etc.
> On that note, I'm not totally wed to Ubuntu/Debian. Is there some LTS [long-term-support] distro that's dramatically better?
> ---
>> Its not 100% ubuntu, but these should work also on ubuntu. https://github.com/thctlo/samba4/tree/master/howtos
> Thanks. I'll look at that. I'm not sure how much help it's going to be, as there are some, it appears, significant differences between Ubuntu 16.04 and 18.04. Thus, a how-to that isn't specific to 18.04 may not be that useful, as it will not have the detail needed to avoid the pitfalls of 18.04.
> And while I can probably work through all the new oddities, I was hoping that someone else would have already done so and would be willing to share.
> Thanks all for the initial tips.
> -Greg

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