Date: Tue, 24 Oct 2006 16:25:57 +0100 From: Joe Holden <joe@joeholden.co.uk> To: Brooks Davis <brooks@one-eyed-alien.net> Cc: Doug Barton <dougb@freebsd.org>, "Andrey V. Elsukov" <bu7cher@yandex.ru>, Harti Brandt <harti@freebsd.org>, net@freebsd.org Subject: Re: Instructing dhclient to set hostname of client Message-ID: <453E3085.7040003@joeholden.co.uk> In-Reply-To: <20061024143940.GA52335@lor.one-eyed-alien.net> References: <453C0E42.4010604@joeholden.co.uk> <453C5386.5080102@FreeBSD.org> <453C5979.4050408@yandex.ru> <453D35AB.3000908@joeholden.co.uk> <20061024091523.G45134@knop-beagle.kn.op.dlr.de> <20061024143940.GA52335@lor.one-eyed-alien.net>
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Brooks Davis wrote: > On Tue, Oct 24, 2006 at 09:16:07AM +0200, Harti Brandt wrote: >> On Mon, 23 Oct 2006, Joe Holden wrote: >> >> JH>Andrey V. Elsukov wrote: >> JH>> Doug Barton wrote: >> JH>>> If you're talking about a laptop where you're not sure what the DHCP >> JH>>> server is going to send you, then I have this in /etc/rc.local: >> JH>> >> JH>> Hi, Doug. >> JH>> >> JH>> What you think about adding a new feature to dhclient - Alternate IP >> JH>> Configuration. This configuration can be specified in dhclient.conf >> JH>> and take effect when a DHCP server not respond. MS Windows have a >> JH>> similar feature. >> JH>> >> JH>Really I was hoping dhclient would have this sort of functionality where >> JH>it would resolve the ip given and set that as hostname, as as far as im >> JH>aware, isc-dhcpd will not send hostnames? >> >> Sure it does. On my machines I set hostname to "" in rc.conf and let >> dhclient set it. Works fine. > > Once upon a time I implemented some code to add a default_hostname > variable to rc.conf which was then used by the startup scripts and > dhclient-script to allow the local network to override the name if > desired while insuring that the system had a name at all times (required > for laptop use). I'd take patches to do this. > > -- Brooks > > P.S. hacking this into rc.local won't work longterm because addresses > will be assigned in a totally different context. I wrote an rc.d script called updatehost that does this, its called after other net scripts, and basically gets the ip from $interface (set by updatehost_flags="blah0" in rc.conf, and resolves that, seems to work, a dirty hack but it does the trick. Thanks, Joe
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