vim /etc/nagios3/commands.cfg
define command{
command_name check_snmp
command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C public -o $ARG1$
}
vim /etc/nagios3/objects/hostname.cfg
define service{
use generic-service
host_name laptop
service_description Admin email
check_command check_snmp!.1.3.6.1.2.1.1.4.0
}