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From: "Gene Heskett" <[email protected]>
On Sunday 17 September 2006 02:31, jdow wrote:
From: "Tim" <[email protected]>

Tim:
127.0.0.1  localhost.localdomain  localhost

For some reason, Fedora likes to put the machine name into the
127.0.0.1 line, sometimes, despite all the problems that it can
cause.
jdow:
Did you do something silly like modify /etc/sysconfig/network? What
does it currently say? It should say:
NETWORKING=yes
HOSTNAME=localhost.localdomain

If not you did something to modify it and you have localhost being
renamed. Otherwise you may have nasty little spirits camping out
digitally on your machine.
Nup, nothing like that.  I've seen quite a few machines that have the
machine name inserted there, by the routines that configure the network
settings for you on a freshly installed machine.

Usually, the first time around, your machine is localhost.localdomain,
but sometimes if you've entered a hostname, even if you have a NIC, the
hostname is inserted into the local loopback address details.  Usually,
*before* the localhost.localdomain details (of all the worst places to
do so).
Given what the hosts file is for the ORDER does not matter. But the
127.0.0.1 line MUST be present.

The hosts file is merely used for looking up names on the local network
if you do not have the local network defined in an active DNS server.

(With 40 odd (and some even {O,o}) gadgets and computers on the network
here local DNS AND DHCP really makes it happen.)
Chuckle.  And at the tv station, the hosts files are in kilobytes what with 
probably over 100 machines on several different subnets.  DHCP is nice, 
but it doesn't lend itself to compiling a list on the wall so you KNOW 
where 192.168.17.33 is when it goes all aglay from some %$#@ winderz virii 
blasting the network.  Its been worth its weight in bottled beer or sliced 
bread many times.
I have DHCP setup to assign known machines known addresses. I also
have it setup with a block for new or visitor machines to get usable
addresses within. I have not setup DNS so that it can be notified
from local addresses of newly registered machines. That is possible.

(I keep many copies of the zone files for the local network for just
the sort of reason you cite. Although I don't have the "marketdroid"
problems you face.)

{^_^}


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