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Re: [Samba] File server questions




 

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces@xxxxxxxxxxxxxxx] Namens 
> Rowland Penny via samba
> Verzonden: dinsdag 12 september 2017 16:04
> Aan: samba@xxxxxxxxxxxxxxx
> Onderwerp: Re: [Samba] File server questions
> 
> On Tue, 12 Sep 2017 10:40:50 -0300
> Flávio Silveira via samba <samba@xxxxxxxxxxxxxxx> wrote:
> 
> 
> > Thanks for the replies Rowland and Louis!
> > 
> > Giving all that was said here is a snippet of what I have in 
> > /var/lib/dhcp/dhclient.enp2s0.leases
> > 
> > Don't know why my interface is named enp2s0, but I only 
> have one, this 
> > might be a driver thing.
> 
> No, it is a systemd thing.
Yep, and some good info here if you want your old names back.
And why its used. 
https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/ 


> 
> > 
> > lease {
> >    interface "enp2s0";
> >    fixed-address 192.168.11.6;
> >    option subnet-mask 255.255.255.0;
> >    option routers 192.168.11.1;
> >    option dhcp-lease-time 86400;
> >    option dhcp-message-type 5;
> >    option domain-name-servers 192.168.11.1;
> >    option dhcp-server-identifier 192.168.11.1;
> >    option domain-name "local";
> >    renew 2 2017/09/12 15:28:36;
> >    rebind 3 2017/09/13 01:09:09;
> >    expire 3 2017/09/13 04:09:09;
> > }
> > 
> > This is the server that will be the AD DC, it currently is 
> in client 
> > subnet (192.168.11.x) for testing, but I will put it in 
> server subnet
> > (192.168.13.x) when in production.
> > 
> > I can't change these settings now as it will break the 
> whole network, 
> > can I use the "method 3" from the link for now and manually edit 
> > /etc/resolv.conf and then when it is ready for production I 
> drop that 
> > script and configure it properly into the DHCP Server?
> 
> Not sure, I run a DHCP server on my DC, but not in the way 
> you are proposing, see the Samba wiki for more info.


Why not adjust the dhcp client reservation to : 
host dc1 {
  hardware ethernet DD:GH:DF:E5:F7:D7;
  fixed-address 192.168.11.6;
  option domain-name-servers 192.168.11.6,8.8.8.8;
  option domain-search "ad.tecnopon.com.br";
}

The other settings are adapted from the dhcp pool its in.
As install DNS is slow. But this is ok, for the install, once samba and dns is up, 
you wil notice some speedups in resolving. Due to the fact that at install, 
there is no dns (yet) at 192.168.11.6, the DC itself.

That should work. 


> 
> > 
> > Speaking of AD DC tutorial, I've read it over and over and 
> > especifically the provisioning part, does this sound correct?
> > 
> > samba-tool domain provision --server-role=dc --use-rfc2307 
> > --dns-backend=SAMBA_INTERNAL --realm=AD.TECNOPON.COM.BR --domain=AD 
> > --adminpass=mypass --option="interfaces=lo enp2s0" --option="bind 
> > interfaces only=yes" --option="dns forwarder=192.168.11.1"
> 
> Yes, but the --server-role and --dns-backend are defaults and 
> as such are not really required.
>  
> > 
> > If I understand correctly, domain is what will be NetBIOS 
> Name, right?
> 
> Wrong, the domain name, also known as the workgroup, is 
> really the NetBIOS domain name. This should not be confused 
> with the NetBIOS name, which is the hosts short name in UPPERCASE.
> If you are confused, don't blame me or Samba, blame 
> Microsoft, they came up with the names.
> 
> > What about Hostname? How do I set it in non-interactive mode?
> 
> You don't, Samba will set it for you from your shorthostname.
> 
> > Where DC1 came from? Can I use that as NetBIOS Name?
> 
> Yes, provided the output from 'hostname -s' is 'dc1' ;-)
> 
> Rowland
> 
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> 

Greetz, 

Louis


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