change VM names to nodeN

README.md

@@ -168,7 +168,7 @@ To reconfigure one specific node, for example
 ansible-playbook \
     training_nodes.yml \
     --tags training_nodes \
-    --limit tag_public_fqdn_registry4_comanage_incommon_training
+    --limit tag_public_fqdn_node4_comanage_incommon_training
 ```
 
 To force an update of the COmanage Registry services stack file:
@@ -208,10 +208,10 @@ Last login: Thu Nov  7 15:12:40 2019 from some/host
 From there each trainee may SSH into their assigned host:
 
 ```
-[training@ssh ~]$ ssh registry1-private
-training@registry1-private's password: 
+[training@ssh ~]$ ssh node1-private
+training@node1-private's password: 
 Last login: Thu Nov  7 17:43:27 2019 from ip-192-168-10-10.us-west-2.compute.internal
-[training@registry1-private ~]$
+[training@node1-private ~]$
 ```
 
 Only trainers may SSH into the IdP node:
@@ -272,13 +272,13 @@ trainee is expected to create a few secrets.
 Once successfully deployed, COmanage Registry is available at the URL
 
 ```
-https://registry1.comanage.incommon.training
+https://node11.comanage.incommon.training
 ```
 
 for node 1, and
 
 ```
-https://registry2.comanage.incommon.training
+https://node2.comanage.incommon.training
 ```
 
 for node 2, and so on.