update single-node-pod.sh script, replacing bootstrap.sh
diff --git a/inventory/cord-cloudlab b/inventory/cord-cloudlab
index dc6e68a..18e7e0d 100644
--- a/inventory/cord-cloudlab
+++ b/inventory/cord-cloudlab
@@ -1,5 +1,5 @@
 [all:vars]
-ansible_ssh_user=zdw
+ansible_ssh_user=ubuntu
 
 [head]
 localhost