initial commit

need-root.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if ! [ $(id -u) = 0 ]; then
+    echo "The script needs to be run as root." >&2
+    exit 1
+fi  
+
+if [ $SUDO_USER ]; then
+    real_user=$SUDO_USER
+else
+    real_user=$(whoami)
+fi
+