# Set virtual machine name
echo -n "Set the name of this VM: "
read vm_name_input
new_vm_name=$(echo $vm_name_input | tr '[:upper:]' '[:lower:]' | tr -d [:space:])
current_vm_name=$(cat /etc/hostname)

hostnamectl set-hostname $new_vm_name
hostname $new_vm_name
sudo sed -i "s/$current_vm_name/$new_vm_name/g" /etc/hosts
sudo sed -i "s/$current_vm_name/$new_vm_name/g" /etc/hostname

# Change user password and shutdown upon successful change
passwd && sudo shutdown -r now