Date: Tue, 17 Jul 2007 08:09:15 -0700 From: Doug Barton <dougb@FreeBSD.org> To: freebsd-current@FreeBSD.ORG, marck@rinet.ru, dougb@FreeBSD.ORG Subject: Re: RFT: bin/106642: [patch] Allow excluding certain files from mergemaster (8) Message-ID: <469CDB9B.8080903@FreeBSD.org> In-Reply-To: <200707171031.l6HAVmDZ088205@lurza.secnetix.de>
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Oliver Fromme wrote:
> On my notebook I have a script /etc/rc.d/net-detect that
> pings several IP addresses in order to find out in which
> network environment the notebook is used (at the office,
> at home with wlan, at home with 100base-t, or no network
> at all). The script then adjusts several symlinks based
> on the network environment, i.e. several files in /etc
> are changed, including rc.conf, ntp.conf, resolv.conf,
> fstab (!), hosts and others.
>
> That script runs as the very first rc script,
Ok, that's something that will probably need to stay a custom hack. I
am saving your e-mail though, so in case I ever have time to pursue
the multiple location thing I can bug you about it. :)
FWIW, I have something similar but I run it as rc.local, which works
fine for me, and doesn't require any special attention. If I'm at
home, it:
1. mounts my nfs partitions
2. does a dynamic update for my home name server to tell it what it's
host and IP address are
If I'm away, it:
1. Sets its own hostname based on a lookup of the IP it's been assigned
Then it always disables moused for the trackpad if there is a USB
mouse attached.
To handle the ntp.conf issue I have a dhclient-exit-hooks script that
dynamically generates ntp.conf using some defaults, or the value of
$new_ntp_servers if that is set. The resolv.conf is handled by dhcp as
well, with a "prepend domain-name-servers 127.0.0.1;" being the only
exciting thing there.
hth,
Doug
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