On Wednesday 05 November 2003 12:11, Mike Burger wrote:
> On Wed, 5 Nov 2003, Nicolas Turro wrote:
> > Hi,
> >
> > When installing laptops i need to setup the usepeerdns option in the
> > /etc/sysconfig/network-scripts/ifcfg-eth0
> > file in order to rebuild /etc/resolv.conf according to the local network
> > i am connecting to (university, work, hotel...).
> >
> > Can someone give me the 'clean' way of doing this at install-time with
> > kickstart ?
> > Should i use a post-install script that appends directly
> > PEERDNS=yes
> > in /etc/sysconfig/network-scripts/ifcfg-eth0 ?
> >
> > or is there a redhat-specific procedure to do this automatically at
> > install-time.
> >
> > Nicolas.
> >
> > (of course, i know how to do this using neat or
> > redhat-configure-network-gui, but this is not an option for automatically
> > installing tens of laptops).
>
> If you're getting your systems are getting their IP addresses via DHCP in
> each of those places, you shouldn't actually have to set the "PEERDNS"
> variable, at all. The DHCP servers should be sending the DNS server info,
> by default, and the dhcpc proces will modify the resolv.conf file as
> needed.
well, it doesn't seem to be the case :
/etc/resolv.conf is generated by the script /sbin/dhclient-script
function make_resolv_conf() {
if [ -n "$new_domain_name" ] || [ -n "$new_domain_name_servers" ]; then
echo '; generated by /sbin/dhclient-script' > /etc/resolv.conf
if [ -n "$new_domain_name" ]; then
echo search $new_domain_name >> /etc/resolv.conf
fi
for nameserver in $new_domain_name_servers; do
echo nameserver $nameserver >>/etc/resolv.conf
done
fi
}
and this function is called only if PEERDNS is set :
if [ "${PEERDNS}" != "no" ]; then
make_resolv_conf
fi
so i HAVE to set this variable either in /etc/sysconfig/network or
/etc/sysconfig/network-scripts/ifcfg-eth0
Nicolas
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