#!/bin/bash

if [ ! $UID -eq 0 ]; then
  sudo $0 $1
  exit
fi

echo $1 > /etc/hostname
cat /etc/hosts | sed "s#^\\(127.0.0.1\\)\\(.*\\)\$#\\1 $1 \\2#g" > /etc/hosts.tmp
mv /etc/hosts.tmp /etc/hosts
hostname $1

echo "Server renamed to $1"