[Samba] Ubuntu client ddns failure

L.P.H. van Belle belle at bazuin.nl
Wed May 21 03:29:52 MDT 2014

it this laptop upgraded from 12.04 to 14.04? 
read this.

Im out of options here.. ( sorry ) did my best for you. 


>-----Oorspronkelijk bericht-----
>Van: steve at steve-ss.com [mailto:samba-bounces at lists.samba.org] 
>Namens steve
>Verzonden: woensdag 21 mei 2014 11:27
>Aan: samba at lists.samba.org
>Onderwerp: Re: [Samba] Ubuntu client ddns failure
>On 21/05/14 11:21, Rowland Penny wrote:
>> On 21/05/14 09:59, L.P.H. van Belle wrote:
>>>>> Btw - users sometimes think "more is better" and often 
>place both...
>>> ... wel i didn't "think"..  i did read and as man resolv.conf also
>>> says the following.
>>> domain =  Local domain name.
>>>         Most queries for names within this domain can use 
>short names
>>> relative to the local domain.
>>>         If no domain entry is present, the domain is determined from
>>> the  local  hostname  returned  by
>>>         gethostname(2); the domain part is taken to be everything
>>> after the first '.'.
>>>         Finally, if the hostname does not contain a domain part, the
>>> root domain is assumed.
>>> search Search list for host-name lookup.
>>> but to make it stranger...
>>> al hostname ( -s -f -d ) are correct, steve checked.
>>> i tested also like steve did, and with dig i get the same responce.
>>> dig hostname    responce from root dns servers.
>>> dig hostname.domain.tld responce from root servers.
>> Hi Louis, yes my laptop works just like that, dig hostname, 
>reply comes
>> from 'a.root-servers.net.'
>> dig FQDN, reply comes from my bind9 dns server
>>> Kerberos: TGS-REQ LUBUNTU-LAPTOP$@HH3.SITE from 
>>> for ldap/hh16.local at HH3.SITE [canonicalize, renewable]
>>> Kerberos: Searching referral for hh16.local
>>> Kerberos: Returning a referral to realm LOCAL for server
>>> Is network-manager installed then this applies. ( dpkg -l | grep
>>> network-manager )
>>> for network interfaces configured by DHCP it normally isn't 
>>> to change any settings manually. Normally what happens is that the
>>> (remote) DHCP server provides to NetworkManager both an IP 
>address for
>>> the local interface and the address of a (remote) DNS nameserver to
>>> use. NetworkManager starts an instance of a forwarding 
>nameserver that
>>> listens locally at This address,, is sent to
>>> resolvconf which puts nameserver in /etc/resolv.conf.
>>> NetworkManager also gives the (remote) IP address of the 
>>> DNS nameserver to the forwarding nameserver. Thus a program 
>running on
>>> the local system asks the resolver to translate a host name 
>into an IP
>>> address; the resolver queries the local forwarding nameserver at
>>>; the forwarding nameserver queries the remote 
>>> it has been told about, receives an answer and sends it back up the
>>> chain.
>> I never get in /etc/resolv.conf and I have both 
>> & resolvconf installed.
>>> NetworkManager communicates with the forwarding nameserver process
>>> over D-Bus. You can see what NetworkManager told the forwarding
>>> nameserver by running the command nmcli dev list iface eth0 | grep
>>> ip_from_dns
>>> so compair
>>> /run/resolvconf/resolv.conf
>>> and
>>> /etc/resolv.conf
>> They match on my laptop
>>> if different, then run
>>> sudo dpkg-reconfigure resolvconf or sudo ln -sf
>>> ../run/resolvconf/resolv.conf /etc/resolv.conf.
>>> and if network-manager is installed the DNSMasq is used, you need to
>>> disable dnsmasq also.
>>> edit /etc/NetworkManager/NetworkManager.conf
>>> put # in front of ?dns=dnsmasq?
>>> restart network-manager
>> NetworkManager is setup to use dnsmasq to make Openvpn work
>> better/easier (or so I believe) even if you do not have Openvpn
>> installed, if you need to use another dns server, it just gets in the
>> way, so totally agree with turning it off.
>>> Hope this helps out.
>>> I would start by checking networkmanager config.
>> I already advised Steve to do this.
>Here is  /etc/NetworkManager/NetworkManager.conf
>sudo service network-manager restart
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