We will skip the optional host and service escalation ID directives for now. Select the Members (hosts) from the right side list to be included in this host group, and choose the Contact Groups that should be notified whenever there are problems (or recoveries) with any of the hosts in this host group.This information is shown on the host group detail page within the Status application. This field is intended to describe common features of the host group (e.g., the business unit, the geographical location,or the team responsible for maintenance). In the Host Group Properties screen, enter a host group Name which should be unique and not the same as a contact group.Select Configuration > Hosts, expand the Host Groups drop-down menu and select New.Hosts can be in more than one host group. Each host that you define must be a member of at least one host group - even if it is the only host in that group. Host groups allow for flexibility in determining who gets paged for what kind of problems. When a host goes down, becomes unreachable, or recovers, Nagios will find which host group(s) the host is a member of, get the contact group for each of those host groups, and notify all Contacts associated with those contact groups.

4.0 Enabling and Receiving NotificationsДЎ.0 Configuring Host Groups and Service Groups Defining a Host GroupДЄ Host Group definition is used to group one or more hosts together for the purposes of simplifying notifications.2.0 Configuring Contacts and Contact Groups.1.0 Configuring Host Groups and Service Groups.

Nagios growl notification