Merge pull request #1777 from nasark/hostname_guidelines

Messaging configuration hostname guidelines

Author: Fryguy

_includes/configuration.md

@@ -54,6 +54,8 @@ Configuring messaging is required for appliance setup. It is recommended to conf
 2. Select **Proceed** and appliance_console will apply the configuration that you have
    requested then restart evmserverd to pick up the changes.
 
+**Note:** It is recommended to use your FQDN as the messaging hostname rather than `localhost`
+
 ### Configuring a Worker Appliance
 
 You can use multiple appliances to facilitate horizontal scaling, as

installing_on_aws/index.md

@@ -7,6 +7,8 @@
 
 {% include configuration.md %}
 
+**Note:** When configuring messaging, please refer to https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-naming.html on hostname guidelines i.e. inclusion of `.ec2.internal` or `.compute.internal` in the hostname
+
 {% include initial-login.md %}
 
 # Appendix