Added check for root

wp-setup.sh

@@ -12,6 +12,12 @@ set -u
 # The Wordpress Site is then available at localhost/YOUR_SITENAME 
 # user: admin   pw: admin ( change !! )
 
+
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root" 
+   exit 1
+fi
+
 if [[ $# -eq 0 ]] ; then
     echo 'Site name required. Exiting ......'
     exit 1