# A simple wildcard hostgroup define hostgroup { hostgroup_name all alias All Servers members * } # A list of your Debian GNU/Linux servers define hostgroup { hostgroup_name debian-servers alias Debian GNU/Linux Servers members localhost } # A list of your web servers define hostgroup { hostgroup_name http-servers alias HTTP servers members localhost } # A list of your ssh-accessible servers define hostgroup { hostgroup_name ssh-servers alias SSH servers members localhost }