External Commands Reference - CHANGE_HOST_CHECK_COMMAND
CHANGE_HOST_CHECK_COMMAND;host_name;check_command
Changes the check command for a particular host to be that specified by the ‘check_command’ option. The ‘check_command’ option specifies the short name of the command that should be used as the new host check command. The command must have been configured in Naemon before it was last (re)started.
#!/bin/sh
# This is a sample shell script showing how you can submit the CHANGE_HOST_CHECK_COMMAND command
# to Naemon. Adjust variables to fit your environment as necessary.
printf "[%lu] CHANGE_HOST_CHECK_COMMAND;host1;check_ping\n" `date +%s` > /var/lib/naemon/naemon.cmd