Date: Thu, 24 Jul 2003 20:33:42 -0700 From: "Mike Maltese" <mike@pcmedx.com> To: <freebsd-questions@freebsd.org> Cc: Shawn <drevil@warpcore.org> Subject: Re: Dynamic Hostname Assignment Message-ID: <000601c3525d$8bb64400$f4f0a8c0@pcmedx.com> References: <1059098593.630.13.camel@CPE-65-26-140-154.kc.rr.com>
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If I understand your question correctly, the following line in
/etc/dhclient.conf should do what you want:
send host-name "yourhostname";
----- Original Message -----
From: "Shawn" <drevil@warpcore.org>
To: <freebsd-questions@freebsd.org>
Sent: Thursday, July 24, 2003 7:03 PM
Subject: Dynamic Hostname Assignment
> When I recently installed and setup FreeBSD 5.1 on my box here at home,
> I noticed that it didn't dynamically set the hostname for me. When I
> used RedHat Linux 9 before it did.
>
> I was puzzled by this at first, since RedHat and FreeBSD both use
> dhclient (AFAIK), and I spent a few hours looking around for settings
> for dhclient and found some information about require-hostname, and a
> few other things. But, no matter what I tried, it didn't seem to work. I
> continued to look for various articles about dynamic hostname
> configuration and I am fairly certain I covered the relevant portions of
> the handbook. Everything I've read seemed to indicate it should "just
> work", but it wasn't.
>
> Finally, after I couldn't find an answer anywhere, I devised my own
> little hack. I modified /etc/rc.d/hostname like so:
>
> hostname_start()
> {
> ip=`ifconfig xl0 | grep 'inet ' | awk '{print $2}'`
> # Set the host name if it is not already set
> #
> if [ -z "`hostname -s`" ]; then
> if [ $ip ]; then
> hostname=`host $ip | awk '{print $5}'`
> hostname ${hostname}
> echo "Setting hostname: `hostname`."
> fi
> fi
> }
>
> I then symlinked /etc/rc.d/hostname to
> /usr/local/etc/rc.d/001.hostname.sh so that after the network interface
> and everything had been brought up it would set my hostname correctly.
> I'm sure this is probably an ugly and unnecessary hack, but I could find
> no other way to get my hostname to be set properly :]
>
> I'm quite willing to go debug or rip apart dhclient to figure out why it
> isn't grabbing the hostname if someone points me in the right direction.
> Any suggestions?
>
> --
> Shawn <drevil@warpcore.org>
> http://drevil.warpcore.org/
>
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