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#!/bin/bash
# this script setups the network on the cloned system
# puts a correct hostname
# changes the IP if static -- for only ONE device (dunno what will happen with multiple NICs)
# needs the file /ka/hostnames
curdir=`pwd`
ip=`/sbin/ifconfig | grep -v 127.0.0.1 | grep "inet addr" | sed 's/^.*inet addr:\([^ ]*\) .*$/\1/g'`
ip=`echo $ip | tr . _`
echo -n "Setting hostname: "
hostname $ip
# current hostname has been set up in rc.sysinit
ip=`hostname | tr _ .`
echo My IP is $ip
cd /ka
# the sed command will remove unwanted spaces
if test -f hostnames ; then
myname=`cat hostnames | sed -e 's/ / /g' -e 's/ *$//' | grep " $ip\$" | cut -d ' ' -f 1`
nbfound=`echo "$myname" | wc -l`
fi
if [ $nbfound -ne 1 ] || [ -z "$myname" ]; then
# try DNS
echo IP not found in /ka/hostnames, Trying DNS
myname=`host $ip | grep "domain name" | cut -d " " -f 5 | sed 's/\.$//g' `
# myname=`nslookup $ip | grep ^Name: | tail -n +2 | head -n 1 | sed 's/Name: *//'`
fi
if [ -z "$myname" ]; then
myname=`hostname`
echo WARNING:HOSTNAME NOT FOUND
fi
echo My hostname is $myname
# change hostname in the network file
old=/mnt/disk/etc/sysconfig/network.beforeka
new=/mnt/disk/etc/sysconfig/network
rm -f "$old"
mv "$new" "$old"
cat "$old" | grep -v ^HOSTNAME= > "$new"
echo "HOSTNAME=$myname" >> "$new"
# assume first NIC is the gatewaydev (right ? wrong ?)
#firstnic=`grep ^GATEWAYDEV "$new" | cut -d = -f 2 | tr -d \"`
#echo GATEWAYDEV=$firstnic
# see if IP has to be written
#proto=`grep ^BOOTPROTO /mnt/disk/etc/sysconfig/network-scripts/ifcfg-$firstnic | cut -d = -f 2 | tr -d \"`
#echo PROTO=$proto
#if [ "$proto" != "dhcp" ]; then
# # proto is static, write the new IP in the config file
# old=/mnt/disk/etc/sysconfig/network-scripts/ifcfg-$firstnic.beforeka
# new=/mnt/disk/etc/sysconfig/network-scripts/ifcfg-$firstnic
#
# rm -f "$old"
# mv "$new" "$old"
# cat "$old" | grep -v ^IPADDR= > "$new"
# echo IPADDR=$ip >> "$new"
#fi
cd $curdir
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