External Commands Reference - DISABLE_SERVICEGROUP_PASSIVE_HOST_CHECKS
DISABLE_SERVICEGROUP_PASSIVE_HOST_CHECKS;servicegroup_name
Disables the acceptance and processing of passive checks for all hosts that have services that are members of a particular service group.
#!/bin/sh
# This is a sample shell script showing how you can submit the DISABLE_SERVICEGROUP_PASSIVE_HOST_CHECKS command
# to Naemon. Adjust variables to fit your environment as necessary.
printf "[%lu] DISABLE_SERVICEGROUP_PASSIVE_HOST_CHECKS;servicegroup1\n" `date +%s` > /var/lib/naemon/naemon.cmd