newhost

#!/bin/bash
clear
#                       _____               _  
#                      |  _  |             | | 
#   __ _ _ __ _ __ ___ | |/' | _ __ ___  __| | 
#  / _` | '__| '_ ` _ \|  /| || '__/ _ \/ _` | 
# | (_| | |  | | | | | \ |_/ /| | |  __/ (_| | 
#  \__,_|_|  |_| |_| |_|\___(_)_|  \___|\__,_| 

base64 -d <<<"H4sIAAAAAAAAA22NQQoAIQhF957CXQ0MeKHgdxAPP1+tWUSKEs+nqV4DESdTlbvtOfSDeeo8k7kb
iyNr7D9gW7opJl8tQINOOoN3jeOkFmBJwuq56PVd5VCnZovHSt/XB/DCEXqgKkJ0PEHj6SWpyAe/
8We1GwEAAA==" | gunzip
echo -e "\e[31;1m ***** arm0.red Security *****\e[0m"
echo -e "\e[31;1m ***** Change Hostname v1.0 *****\e[0m"
echo ""

# Assign existing hostname to $hostn
hostn=$(cat /etc/hostname)

# Display existing hostname
echo -e "\e[31;1m Existing hostname is: \e[0m"
echo "$hostn"

# Ask for new hostname $newhost
echo -e "\e[31;1m Enter new hostname: \e[0m"
read newhost

# Change hostname using hostnamectl
sudo hostnamectl set-hostname $newhost

# Display new hostname
echo -e "\e[31;1m Your new hostname is: \e[0m"
echo "$newhost"

# Press a key to reboot
echo -e "\e[31;1m A REBOOT IS REQUIRED. \e[0m"

read -r -p "Do you want to reboot now? [y/N] " response
if [[ $response =~ ^([Yy][eE][sS]|[yY])+$ ]]
then
	sudo systemctl reboot
else
	echo -e "\e[1;32mDone.\e[0m"
fi