A sample service check, annotated: host_name dbsrp2076 <– name of server service_description SSH <– service being monitored servicegroups PROD-ssh <– service groups is_volatile 0 <– Does this service spontaneously start and stop (always 0 for “no”) check_period 24×7 <– during what hours is this service checked? max_check_attempts 10 <– ..