Re: How to reach a computer by hostname on a LAN?

From: Jason Powers (powers.jason_at_jimmy.harvard.edu)
Date: 12/28/04

  • Next message: Ben Stanley: "GPL ghostscript 8.15 is available - why is 7.07 still in FC3?" 
    Date: Tue, 28 Dec 2004 02:04:38 -0500
To: For users of Fedora Core releases <fedora-list@redhat.com>

    Sorry if my reply was 'off', I read Chris' email and assumed he was
    talking about a home LAN, since I get this question so often at work. My
    advice works for the home setup, Gene's works best if you're at work.

    Jason

    Gene Heskett wrote:
    > 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.
    > 

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