How to reach a computer by hostname on a LAN?
Gene Heskett
gene.heskett at verizon.net
Tue Dec 28 06:57:12 UTC 2004
On Tuesday 28 December 2004 01:25, Christopher J. Bottaro wrote:
>Simple setup. I have a router that assigns IP addresses by DHCP. I
> have two linux machines: compa and compb which get their IP
> addresses using DHCP with the router. From compa, I want to be
> able to say "ping compb" instead of having to use ifconfig on compb
> to figure out what its IP address is, then ping it (i.e. "ping
> 192.168.1.3").
>
>How is this possible? Manually editing the /etc/hosts file doesn't
> work because the IP addresses can change at boot (or whenever DHCP
> is used to get a new address).
>
>Thanks.
Turn off the dhcp in the router and use the /etc/hosts file to do the
resolving. You can use the same hosts file throughout your local
network. I've been doing that here for 6 or 7 years. You'll have to
assign the local ip address per machine in
the /etc/sysconfig/network-scripts/ifcfg-eth0 scripts also, which
will give a fixed address for that machine. To me, dhcp on a small
home network, or even on an 80+ machine business internal network is
a waste of time and resources. But then thats just my opinion too.
One could even setup a cron job on those machines that have a cron, to
grab the master copy of the hosts file and refresh it if the network
is being constantly changed. That would take a load off the IT guy,
who usually has his own pool of alligators to wrestle.
--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
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by Gene Heskett are:
Copyright 2004 by Maurice Eugene Heskett, all rights reserved.
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