scan multiple hosts for process code example

Example 1: APACHE MULTIPLE HOstnames

# Ensure that Apache listens on port 80
Listen 80
<VirtualHost *:80>
    DocumentRoot "/www/example1"
    ServerName www.example.com

    # Other directives here
</VirtualHost>

<VirtualHost *:80>
    DocumentRoot "/www/example2"
    ServerName www.example.org

    # Other directives here
</VirtualHost>

Example 2: multiple hosts in same role

---
- connection: local
  gather_facts: false
  hosts: linux-srvr
  roles:  
  - linuxchk

- gather_facts: false
  hosts: jabber-srvr
  roles:  
  - jabber-msg