Chapter 10: Nagios Integration
220 Console Server & RIM Gateway User Manual
use generic-service
check_command check_conn_via_opengear!tcp!22
}
define service {
service_description host-port-tcp-22-server
;
ho
st-port-<protoco
l
>-<port>-<host
>
host_name server
use generic-service
check_command check_conn_via_opengear!tcp!22
active_checks_enabled 0
passive_checks_enabled 1
}
define servicedependency{
name opengear_nrpe_daemon_dep
host_name opengear
dependent_host_name server
dependent_service_description SSH Port
service_description NRPE Daemon
execution_failure_criteria w,u,c
}
10.4.2 Basic Nagios plug-ins
Plug-ins are compiled executables or scripts that can be scheduled to be run on the console server to check the status of
a connected host or service. This status is then communicated to the upstream Nagios server which uses the results to
monitor the current status of the distributed network. Each console server is preconfigured with a selection of the checks
that are part of the Nagios plug-ins package:
check_tcp and check_udp are used to check open ports on network hosts
check_ping is used to check network host availability
check_nrpe is used to execute arbitrary plug-ins in other devices
Each console server is preconfigured with two checks that are specific to Opengear:
check_serial_signals is used to monitor the handshaking lines on the serial ports
check_port_log is used to monitor the data logged for a serial port.
10.4.3 Additional plug-ins
Additional Nagios plug-ins (listed below) are available for all the IM4200 products:
check_apt
check_by_ssh
check_clamd
check_dig
check_dns
check_dummy
check_fping
check_ftp
check_game
check_hpjd
check_http
check_imap
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