更改主机名脚本

#!/bin/bash

#获取ip
ipaddr=`/sbin/ifconfig | grep \'inet addr:\' | grep -v \'127.0.0.1\' | cut -d : -f2 | awk \'{print $1}\'`

#rename network
name=$1
hostname $name
cp /etc/sysconfig/network /etc/sysconfig/network.bak
sed -i \'s/HOSTNAME=*/#HOSTNAME=*/g\' /etc/sysconfig/network
echo "HOSTNAME=$name" >> /etc/sysconfig/network
echo "NETWORKING=yes" >> /etc/sysconfig/network

#add hosts
cp /etc/hosts /etc/hosts.bak
echo "$ipaddr $name" >> /etc/hosts