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Re: [K12OSN] DNS instead of /etc/hosts



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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