Replace tun.sh

tun.sh

@@ -53,10 +53,7 @@ check_tun () {
 }
 
 check_sudo () {
-    if [ "$SUDO_USER" = "root" ]; then
-        echo "please execute this script as a regular user, not as root"
-        exit 1
-    fi
+
     if [ -z "$SUDO_USER" ]; then
         # if the user didn't call us with sudo, re-execute
         exec sudo $0 "$MODE" "$@"