[K12OSN] DNS instead of /etc/hosts
Rob Owens
rowens at ptd.net
Fri Apr 13 23:47:05 UTC 2007
Oh and one more question. For my dynamic dhcp range, I guess I should
go into the DNS server and assign hostnames to each IP address in the
dynamic range, right? (This would be instead of assigning them in
/etc/hosts)
Thanks again.
-Rob
On Fri, Apr 13, 2007 at 06:59:52PM -0400, Rob Owens wrote:
> On Fri, Apr 13, 2007 at 04:29:45PM -0500, Les Mikesell wrote:
> > Rob Owens wrote:
> > >Yes, I am talking about the names for the thin clients. But my dhcp
> > >server will also be handing out names to windows clients, and some of
> > >those windows clients will need to be accessible by hostname (for
> > >sharing printers and so forth). The default setup will have all those
> > >machines being known as "ws001", etc. by the LTSP server. I expect this
> > >will cause trouble, but maybe I'm wrong.
> >
> > There is a mechanism for DHCP assigned clients to register their own
> > hostnames into DNS but I've never trusted it and think that if a machine
> > is going to be providing services it should have a static IP and a fixed
> > address in DNS.
>
> I've been looking into this a bit, and it looks like there are some
> complications with having Linux DHCP updating a Windows DNS server. I
> don't completely understand all the complications, but I guess I'd
> better avoid that route.
>
> > You can do this without hand-configuring the machines
> > if you make the DNS entries tie the names to addresses, then use host
> > entries in your dhcpd.conf file with:
> >
> > host somename {
> > hardware ethernet 00:30:c1:01:ce:1d;
> > fixed-address somename_from_dns;
> > ... any other options;
> > }
> >
> > That way they will always get the name you associated with the address
> > and you only have to keep track of IP address changes in the DNS zone file.
>
> This is probably what I'll end up doing. In the case of standalone
> Windows machines with a shared printer attached, do I need to specify a
> static IP address? I'm under the impression that Windows machines don't
> use IP address or DNS name to find other Windows machines--I think they
> use some sort of Microsoft-specific voodoo, but I might be wrong.
>
> Thanks for the advice guys.
>
> -Rob
>
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