Shell Script for Changing Hostname

Applied on = CentOs, RedHat, Fedora…etc
Here is a simple script that will change Hostname Automatically.
it will just ask you to desired hostname type hostname then hit enter and that’s it…

Download Hostname.sh
or

`

 # wget http://broexperts.com/dl/hostname.sh

Contents of Hostname.sh file

#!/bin/bash
#Author: Hafiz Haider
#Email: admin@broexperts.com
#Date: 28-01-2012
#Purpose: Auto Hostname Changing

clear

echo "Please Enter your Desired Hostname"

  read HOSTNAME

	cat /etc/sysconfig/network | grep NETWORKING > /tmp/hostname.txt
	echo HOSTNAME=$HOSTNAME >> /tmp/hostname.txt
	cat /tmp/hostname.txt > /etc/sysconfig/network

  hostname $HOSTNAME
  rm -fr /tmp/hostname.txt
#END

Step 1:
Run Script

 # bash hostname.sh

Step 2:

Shell Script : It will ask you to put Desired Hostname and hit enter:

 Pleae Enter Your Desired Hostname
 cent6.broexperts.com

That’s All…!!
Now relogin and see your hostname has been changed.