static-ip.sh

static-ip.sh

#!/usr/bin/env bash

if [ $# -lt 1 ]; then
    echo "usage: $0 [eth]" 1>&2
    exit 1
fi

ETH=$1
IPADDR=$(ip -f inet addr show dev eth0|awk '$1~/inet/{print $2}'|cut -d/ -f1)
HOSTNAME="$(echo $IPADDR | tr '.' '-').lunix.co"

#HOSTNAME=`grep HOSTNAME /tmp/netinfo | cut -d = -f 2 | cut -d . -f 1`
#NETMASK=$(ifconfig eth0|awk -F"Mask:" '$1~/inet /{print $2}')

sed -i 's/^BOOTPROTO="dhcp"/BOOTPROTO="static"/' /etc/sysconfig/network-scripts/ifcfg-$ETH

cat << EOF >> /etc/sysconfig/network-scripts/ifcfg-$ETH
IPADDR=`ifconfig $ETH | grep inet | cut -d : -f 2 | cut -d " " -f 1`
NETMASK=`ifconfig $ETH | grep inet | cut -d : -f 4`
GATEWAY=`route | grep default | cut -b 17-32 | cut -d " " -f 1`
EOF

echo /etc/sysconfig/network-scripts/ifcfg-$ETH
cat /etc/sysconfig/network-scripts/ifcfg-$ETH