Initial commit

functions

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# Common functions for the lab scripts
+# Copyright 2021 Bryan C. Roessler
+
+ask_ok() {
+    read -r -p "$* [y/N]" response
+    response=${response,,}
+    [[ ! "$response" =~ ^(yes|y)$ ]] && return 1
+    return 0
+}
+
+
+is_root() {
+    user=$(whoami)
+    [[ $user != "root" ]] && echo "Script must be run with sudo rights!" && exit 1
+}