define host { name unit use generic-host check_period 24x7 ; By default, Linux hosts are checked round the clock check_interval 5 ; Actively check the host every 5 minutes retry_interval 1 ; Schedule host check retries at 1 minute intervals max_check_attempts 10 ; Check each Linux host 10 times (max) notification_period 24x7 ; Linux admins hate to be woken up, so we only notify during the day notification_interval 1440 ; Resend notifications every 2 hours notification_options d,u,r ; Only send notifications for specific host states contact_groups pdv-admins ; Notifications get sent to the admins by default check_command check_host!500,10%!2000,40% register 0 } define host { name switch use unit icon_image switch.gif vrml_image switch.gd2 statusmap_image switch.gd2 register 0 } define host { name server use unit icon_image rack-server.gif vrml_image rack-server.gd2 statusmap_image rack-server.gd2 register 0 } define host { name cluster use server register 0 }