Rowland Penny
2015-Dec-01 18:12 UTC
[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command
On 01/12/15 17:27, Jonathan S. Fisher wrote:>> It isn't running, one of the first things I do when setting up a new DC is > to remove nscd if it is installed. > Ah ok... well this isn't a DC, just a member... is NSCD ok to run as a > member? Otherwise I can remove it.I would remove it, everything dns wise should come from an AD DC> >> you get a caching dnsmasq server as standard > Not on ubuntu server... There is no dnsmasq package installed nor is it in > ps -efAh, so no GUI then, ok in this case you probably wont have Network Manager installed either.>> If you have to have that 127.0.1.1 line in /etc/hosts, you have dns > problems. > I'll try to figure out how to get the client to have a FQDN without the > line in /etc/hostsIf this machine is going to be a fileserver, you would probably be better using a fixed ip, but if you going to have other Unix domain members using dhcp, you need to sort this problem.> > I really am starting to hate Active Directory...I just hate microsoft, it cuts out the middle man :-D Rowland> > On Tue, Dec 1, 2015 at 11:22 AM, Rowland Penny <rowlandpenny241155 at gmail.com >> wrote: >> On 01/12/15 17:09, Jonathan S. Fisher wrote: >> >> So your client did no DNS lookups?? That's crazy. Could they be cached? >> (Can you disable nscd if you have it running and try again?) >> >> >> It isn't running, one of the first things I do when setting up a new DC is >> to remove nscd if it is installed. >> >> >>> Why, in your deity's name, why????? >> I'm starting my own caliphate. Seems to be all the rage these days. >> >> Dnsmasq isn't running locally... it's the main DNS server at >> 192.168.127.129. At one time I guess we were running Bind, but he switched >> to dnsmasq for simplicity. If there's a legit reason why Windows needs to >> handle 100% of the DNS and DHCP for the network... well that's a little >> scary of a thought. Are these things in no way interoperable? >> >> >> On Ubuntu, you get a caching dnsmasq server as standard, this is >> controlled by Network Manager, this shouldn't be running on an AD client >> (note this is only from my experience, it seems to interfere with AD dns). >> >> DHCP doesn't need to be running on the DC, but it needs to give your >> client the required info, see my previous post for what mine sends. >> Your AD clients need to use your AD DCs as their DNS servers, anything >> your DCs don't know about i.e. google should be forwarded to a DNS server >> that does i.e. your dnsmasq machine >> >> Your problem isn't that net is using the workgroup name, it is that your >> machine doesn't seem to know who it is and where the DCs are :-) >> >> >>> Mind you, until you get 'hostname -f' to return your FQDN, it will not >> work correctly. >> Well this "works" right now with what I put into /etc/hosts. Are you >> saying it has to work purely from dhcp? >> >> >> >> If you have to have that 127.0.1.1 line in /etc/hosts, you have dns >> problems. >> >> Rowland >> >>
Jonathan S. Fisher
2015-Dec-01 20:40 UTC
[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command
So everything with the hostname with now resolving correctly, without the 127.0.1.1 hack anymore. We just had to make sure DHCP was handing out the correct domain, which it is now: $ hostname -d windows.corp.XXX.com $ hostname -f freeradius.windows.corp.XXX.com I deleted all the shared secrets, removed the computer from AD and rejoined... but of course, we're still getting the exact same issue... :( It's still trying to query the wrong DNS entry. On Tue, Dec 1, 2015 at 12:12 PM, Rowland Penny <rowlandpenny241155 at gmail.com> wrote:> On 01/12/15 17:27, Jonathan S. Fisher wrote: > >> It isn't running, one of the first things I do when setting up a new DC is >>> >> to remove nscd if it is installed. >> Ah ok... well this isn't a DC, just a member... is NSCD ok to run as a >> member? Otherwise I can remove it. >> > > I would remove it, everything dns wise should come from an AD DC > > >> you get a caching dnsmasq server as standard >>> >> Not on ubuntu server... There is no dnsmasq package installed nor is it >> in >> ps -ef >> > > Ah, so no GUI then, ok in this case you probably wont have Network Manager > installed either. > > If you have to have that 127.0.1.1 line in /etc/hosts, you have dns >>> >> problems. >> I'll try to figure out how to get the client to have a FQDN without the >> line in /etc/hosts >> > > If this machine is going to be a fileserver, you would probably be better > using a fixed ip, but if you going to have other Unix domain members using > dhcp, you need to sort this problem. > > >> I really am starting to hate Active Directory... >> > > I just hate microsoft, it cuts out the middle man :-D > > Rowland > > >> On Tue, Dec 1, 2015 at 11:22 AM, Rowland Penny < >> rowlandpenny241155 at gmail.com >> >>> wrote: >>> On 01/12/15 17:09, Jonathan S. Fisher wrote: >>> >>> So your client did no DNS lookups?? That's crazy. Could they be cached? >>> (Can you disable nscd if you have it running and try again?) >>> >>> >>> It isn't running, one of the first things I do when setting up a new DC >>> is >>> to remove nscd if it is installed. >>> >>> >>> Why, in your deity's name, why????? >>>> >>> I'm starting my own caliphate. Seems to be all the rage these days. >>> >>> Dnsmasq isn't running locally... it's the main DNS server at >>> 192.168.127.129. At one time I guess we were running Bind, but he >>> switched >>> to dnsmasq for simplicity. If there's a legit reason why Windows needs to >>> handle 100% of the DNS and DHCP for the network... well that's a little >>> scary of a thought. Are these things in no way interoperable? >>> >>> >>> On Ubuntu, you get a caching dnsmasq server as standard, this is >>> controlled by Network Manager, this shouldn't be running on an AD client >>> (note this is only from my experience, it seems to interfere with AD >>> dns). >>> >>> DHCP doesn't need to be running on the DC, but it needs to give your >>> client the required info, see my previous post for what mine sends. >>> Your AD clients need to use your AD DCs as their DNS servers, anything >>> your DCs don't know about i.e. google should be forwarded to a DNS server >>> that does i.e. your dnsmasq machine >>> >>> Your problem isn't that net is using the workgroup name, it is that your >>> machine doesn't seem to know who it is and where the DCs are :-) >>> >>> >>> Mind you, until you get 'hostname -f' to return your FQDN, it will not >>>> >>> work correctly. >>> Well this "works" right now with what I put into /etc/hosts. Are you >>> saying it has to work purely from dhcp? >>> >>> >>> >>> If you have to have that 127.0.1.1 line in /etc/hosts, you have dns >>> problems. >>> >>> Rowland >>> >>> >>> > > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/options/samba >-- Email Confidentiality Notice: The information contained in this transmission is confidential, proprietary or privileged and may be subject to protection under the law, including the Health Insurance Portability and Accountability Act (HIPAA). The message is intended for the sole use of the individual or entity to whom it is addressed. If you are not the intended recipient, you are notified that any use, distribution or copying of the message is strictly prohibited and may subject you to criminal or civil penalties. If you received this transmission in error, please contact the sender immediately by replying to this email and delete the material from any computer.
mathias dufresne
2015-Dec-02 12:08 UTC
[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command
Can't you just disable dnsmasq service? You don't seem to be too much confident in that tool and you have DNS issue... dnsmasq has most certainly a good reason to exist. I just don't know it. In IT for work we generally don't need such tool as infrastructures of companies are meant to be stable. As the clients configuration. So I would start with dnsmasq removal, then I would [learn how to] configure manually this client, then I would re-run test, starting with small tests (DNS with dig/nslookup, kinit...) 2015-12-01 21:40 GMT+01:00 Jonathan S. Fisher < jonathan at springventuregroup.com>:> So everything with the hostname with now resolving correctly, without the > 127.0.1.1 hack anymore. We just had to make sure DHCP was handing out the > correct domain, which it is now: > > $ hostname -d > windows.corp.XXX.com > $ hostname -f > freeradius.windows.corp.XXX.com > > I deleted all the shared secrets, removed the computer from AD and > rejoined... but of course, we're still getting the exact same issue... :( > It's still trying to query the wrong DNS entry. > > > On Tue, Dec 1, 2015 at 12:12 PM, Rowland Penny < > rowlandpenny241155 at gmail.com > > wrote: > > > On 01/12/15 17:27, Jonathan S. Fisher wrote: > > > >> It isn't running, one of the first things I do when setting up a new DC > is > >>> > >> to remove nscd if it is installed. > >> Ah ok... well this isn't a DC, just a member... is NSCD ok to run as a > >> member? Otherwise I can remove it. > >> > > > > I would remove it, everything dns wise should come from an AD DC > > > > > >> you get a caching dnsmasq server as standard > >>> > >> Not on ubuntu server... There is no dnsmasq package installed nor is it > >> in > >> ps -ef > >> > > > > Ah, so no GUI then, ok in this case you probably wont have Network > Manager > > installed either. > > > > If you have to have that 127.0.1.1 line in /etc/hosts, you have dns > >>> > >> problems. > >> I'll try to figure out how to get the client to have a FQDN without the > >> line in /etc/hosts > >> > > > > If this machine is going to be a fileserver, you would probably be better > > using a fixed ip, but if you going to have other Unix domain members > using > > dhcp, you need to sort this problem. > > > > > >> I really am starting to hate Active Directory... > >> > > > > I just hate microsoft, it cuts out the middle man :-D > > > > Rowland > > > > > >> On Tue, Dec 1, 2015 at 11:22 AM, Rowland Penny < > >> rowlandpenny241155 at gmail.com > >> > >>> wrote: > >>> On 01/12/15 17:09, Jonathan S. Fisher wrote: > >>> > >>> So your client did no DNS lookups?? That's crazy. Could they be cached? > >>> (Can you disable nscd if you have it running and try again?) > >>> > >>> > >>> It isn't running, one of the first things I do when setting up a new DC > >>> is > >>> to remove nscd if it is installed. > >>> > >>> > >>> Why, in your deity's name, why????? > >>>> > >>> I'm starting my own caliphate. Seems to be all the rage these days. > >>> > >>> Dnsmasq isn't running locally... it's the main DNS server at > >>> 192.168.127.129. At one time I guess we were running Bind, but he > >>> switched > >>> to dnsmasq for simplicity. If there's a legit reason why Windows needs > to > >>> handle 100% of the DNS and DHCP for the network... well that's a little > >>> scary of a thought. Are these things in no way interoperable? > >>> > >>> > >>> On Ubuntu, you get a caching dnsmasq server as standard, this is > >>> controlled by Network Manager, this shouldn't be running on an AD > client > >>> (note this is only from my experience, it seems to interfere with AD > >>> dns). > >>> > >>> DHCP doesn't need to be running on the DC, but it needs to give your > >>> client the required info, see my previous post for what mine sends. > >>> Your AD clients need to use your AD DCs as their DNS servers, anything > >>> your DCs don't know about i.e. google should be forwarded to a DNS > server > >>> that does i.e. your dnsmasq machine > >>> > >>> Your problem isn't that net is using the workgroup name, it is that > your > >>> machine doesn't seem to know who it is and where the DCs are :-) > >>> > >>> > >>> Mind you, until you get 'hostname -f' to return your FQDN, it will not > >>>> > >>> work correctly. > >>> Well this "works" right now with what I put into /etc/hosts. Are you > >>> saying it has to work purely from dhcp? > >>> > >>> > >>> > >>> If you have to have that 127.0.1.1 line in /etc/hosts, you have dns > >>> problems. > >>> > >>> Rowland > >>> > >>> > >>> > > > > -- > > To unsubscribe from this list go to the following URL and read the > > instructions: https://lists.samba.org/mailman/options/samba > > > > -- > Email Confidentiality Notice: The information contained in this > transmission is confidential, proprietary or privileged and may be subject > to protection under the law, including the Health Insurance Portability and > Accountability Act (HIPAA). The message is intended for the sole use of the > individual or entity to whom it is addressed. If you are not the intended > recipient, you are notified that any use, distribution or copying of the > message is strictly prohibited and may subject you to criminal or civil > penalties. If you received this transmission in error, please contact the > sender immediately by replying to this email and delete the material from > any computer. > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/options/samba >
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