[lug] Hostname, Knoppix, where does it come from?

Bob Collins bcollins at peakpeak.com
Wed Jun 28 19:51:07 MDT 2006

David L. Anselmi wrote:
> Bob Collins wrote:
> [...]
>> Received 43 bytes from in 1 ms
> So you're getting told that knoppix is the name by your DSL modem.  As 
> Hugh said, this is probably DHCP + dynamic updates.
> So what happens when you try to ping the Linux machine (you might 
> reboot it first) by its name?  If it fails you can try to re-update 
> DNS with:
> dhclient -r ; dhclient
> (assuming you have dhclient and not one of the others).
> Do the modem docs say anything about the DNS on the modem and how it 
> works?  Obviously it has a zone for gateway.2wire.net, and probably 
> caches as well.  And I'd guess it forwards to QWest's servers.  But it 
> would really tick me off to put all that on my network without being 
> warned that I was doing it.  (Not that it would matter, but it's 
> always easier to troubleshoot if you know what's going on.)
> Dave
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bob at matt:~> ps ax | grep dhc
 4229 ?        S<s    0:00 /sbin/dhcpcd -C -H -D -K -N -t 999999 -h matt 
-c /etc/sysconfig/network/scripts/dhcpcd-hook eth0
 5681 pts/3    R+     0:00 grep dhc
It isn't running on linux.local.

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