Date: 15 Feb 2004 08:03:37 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: <Barbish3@adelphia.net> Cc: "freebsd-questions@FreeBSD. ORG" <freebsd-questions@FreeBSD.ORG> Subject: Re: Using dhclient to update zoneedit with my dynamic IP address Message-ID: <441xowv6ja.fsf@be-well.ilk.org> In-Reply-To: <MIEPLLIBMLEEABPDBIEGMEABFLAA.Barbish3@adelphia.net> References: <MIEPLLIBMLEEABPDBIEGMEABFLAA.Barbish3@adelphia.net>
next in thread | previous in thread | raw e-mail | index | archive | help
"JJB" <Barbish3@adelphia.net> writes:
> Thanks for this sample, but it exceeds my script coding ability.
> I added some comments to your sample but I may be lost.
>
> #!/bin/sh
>
> updater_prog = /usr/local/bin/noip2 # program to run
> if [ x$reason = xREBOOT ] || \ # is this an reboot or
> [ x$old_ip_address = x ] || \ # old ip field empty or
> [ x$old_ip_address != x$new_ip_address ]; then # old not EQ new then
> if [ -x $updater_prog ]; then # don't know what this does
That tests whether the program exists and is executable.
> ${updater_prog} -i "$new_ip_address" # exec program
> fi
> fi
>
> For my purposes I think this is what I need.
> This way zoneedit is only updated when ip changes.
> Do I have script correct?
>
> /etc/dhclient-exit-hooks.sh with this content
> #!/bin/sh
> # This script only gets called when dhclient runs
> # (IE: boot and lease expire)
> # Old and new ip address fields are populated by dhclient,
> # which keeps the old used IP address in some config file
> # so it's not lost on reboot and can be read in at boot time to
> # determine if the ip has changed. So with cable or dsl modem
> # that stays powered on while PC is powered off still is
> # using old IP address.
>
> updater_prog = /usr/local/bin/wget....rest of command # my wget pgm
>
> if [ x$old_ip_address != x$new_ip_address ]; # old not EQ new
> then ${updater_prog} # exec my pgm
> fi
Looks like that should work...
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?441xowv6ja.fsf>