Host File

 Host file can be like any of this format 

 how to open host file with default location

vi /etc/ansible/host

[dev]

node1

node2

node3

[test]

node4:22 ansible_connection=ssh ansible_user=jamesbond

[ipbase]

192.168.2.[0:10]

# from IP 192.168.2.0 to IP 192.168.2.10 IP will be covered

[serversname]

server[01:25].mydomain.com

#servername will shows from server01.mydomain.com to server05.mydomain.com