+
+usage() {
+ cat <<EOF
+# Usage: ${0##*/} [OPTIONS]
+Setup fai or arch pxe (depending on $0 name)
+then start a virtual machine to test the config
+
+Note, sometimes shutting down the existing demohost vm
+fails. Just run again if that happens.
+
+-r Do not reboot.
+-n Create new qcow2(s) for vm
+-h|--help Print help and exit.
+
+Note: Uses GNU getopt options parsing style
+EOF
+ exit $1
+}
+
+
+# not sure why I wanted to have this option before. oh well.