Modules

Type	Module	Description
windows	CheckDisk	CheckDisk can check various file and disk related things.
misc	CheckDocker	Use this module to detect and monitor docker containers
windows	CheckEventLog	Check for errors and warnings in the event log.
check	CheckExternalScripts	Module used to execute external scripts
check	CheckHelpers	Various helper function to extend other checks.
check	CheckLogFile	File for checking log files and various other forms of updating text files
check	CheckMKClient	check_mk client can be used both from command line and from queries to check remote systems via check_mk
check	CheckMKServer	A server that listens for incoming check_mk connection and processes incoming requests.
misc	CheckNet	Network related check such as check_ping.
check	CheckNSCP	Use this module to check the health and status of NSClient++ it self
windows	CheckSystem	Various system related checks, such as CPU load, process state, service state memory usage and PDH counters.
windows	CheckTaskSched	Check status of your scheduled jobs.
windows	CheckWMI	Check status via WMI
misc	CollectdClient	CollectD client can be used to submit metrics to a collectd server
generic	CommandClient	A command line client, generally not used except with "nscp test".
misc	ElasticClient	Elastic sends metrics, events and logs to elastic search
client	GraphiteClient	Graphite client can be used to submit graph data to a graphite graphing system
generic	LUAScript	Loads and processes internal Lua scripts
client	NRDPClient	NRDP client can be used both from command line and from queries to check remote systems via NRDP
client	NRPEClient	NRPE client can be used both from command line and from queries to check remote systems via NRPE as well as configure the NRPE server
client	NRPEServer	A server that listens for incoming NRPE connection and processes incoming requests.
client	NSCAClient	NSCA client can be used both from command line and from queries to submit passive checks via NSCA
client	NSCAServer	A server that listens for incoming NSCA connection and processes incoming requests.
windows	NSClientServer	A server that listens for incoming check_nt connection and processes incoming requests.
misc	NSCPClient	NSCP client can be used both from command line and from queries to check remote systems via NSCP (REST)
misc	Op5Client	Client for connecting nativly to the Op5 Nortbound API
generic	PythonScript	Loads and processes internal Python scripts
generic	Scheduler	Use this to schedule check commands and jobs in conjunction with for instance passive monitoring through NSCA
generic	SimpleCache	Stores status updates and allows for active checks to retrieve them
generic	SimpleFileWriter	Write status updates to a text file (A bit like the NSCA server does)
client	SMTPClient	SMTP client can be used both from command line and from queries to check remote systems via SMTP
client	SyslogClient	Forward information as syslog messages to a syslog server
generic	WEBServer	A server that listens for incoming HTTP connection and processes incoming requests. It provides both a WEB UI as well as a REST API in addition to simplifying configuration of WEB Server module.

Queries

Module	Command	Description
CheckDisk	check_drivesize	Check the size (free-space) of a drive or volume.
CheckDisk	check_files	Check various aspects of a file and/or folder.
CheckDocker	check_docker	Checks that a given docker container is running.
CheckEventLog	check_eventlog	Check for errors in the event log.
CheckHelpers	check_always_critical	Run another check and regardless of its return code return CRITICAL.
CheckHelpers	check_always_ok	Run another check and regardless of its return code return OK.
CheckHelpers	check_always_warning	Run another check and regardless of its return code return WARNING.
CheckHelpers	check_and_forward	Run a check and forward the result as a passive check.
CheckHelpers	check_critical	Just return CRITICAL (anything passed along will be used as a message).
CheckHelpers	check_multi	Run more then one check and return the worst state.
CheckHelpers	check_negate	Run a check and alter the return status codes according to arguments.
CheckHelpers	check_ok	Just return OK (anything passed along will be used as a message).
CheckHelpers	check_timeout	Run a check and timeout after a given amount of time if the check has not returned.
CheckHelpers	check_version	Just return the NSClient++ version.
CheckHelpers	check_warning	Just return WARNING (anything passed along will be used as a message).
CheckHelpers	filter_perf	Run a check and filter performance data.
CheckHelpers	render_perf	Run a check and render the performance data as output message.
CheckHelpers	xform_perf	Run a check and transform the performance data in various (currently one) way.
CheckLogFile	check_logfile	Check for errors in log file or generic pattern matching in text files.
CheckMKClient	check_mk_query	Request remote information via check_mk.
CheckNet	check_ping	Ping another host and check the result.
CheckNSCP	check_nscp	Check the internal health of NSClient++.
CheckNSCP	check_nscp_version	Check the version of NSClient++ which is used.
CheckSystem	check_cpu	Check that the load of the CPU(s) are within bounds.
CheckSystem	check_memory	Check free/used memory on the system.
CheckSystem	check_network	Check network interface status.
CheckSystem	check_os_version	Check the version of the underlying OS.
CheckSystem	check_pagefile	Check the size of the system pagefile(s).
CheckSystem	check_pdh	Check the value of a performance (PDH) counter on the local or remote system.
CheckSystem	check_process	Check state/metrics of one or more of the processes running on the computer.
CheckSystem	check_service	Check the state of one or more of the computer services.
CheckSystem	check_uptime	Check time since last server re-boot.
CheckTaskSched	check_tasksched	Check status of scheduled jobs.
CheckWMI	check_wmi	Check a set of WMI values and return rows which are matching criteria.
GraphiteClient	submit_graphite	Submit information to the remote Graphite server.
NRDPClient	submit_nrdp	Submit information to the remote NRDP Server.
NRPEClient	check_nrpe	Request remote information via NRPE.
NRPEClient	exec_nrpe	Execute remote script via NRPE. (Most likely you want nrpe_query).
NRPEClient	nrpe_forward	Forward the request as-is to remote host via NRPE.
NRPEClient	nrpe_query	Request remote information via NRPE.
NRPEClient	submit_nrpe	Submit information to remote host via NRPE. (Most likely you want nrpe_query).
NSCAClient	submit_nsca	Submit information to the remote NSCA server.
NSCPClient	check_remote_nscp	Request remote information via NSCP.
NSCPClient	exec_remote_nscp	Execute remote script via NSCP.
NSCPClient	remote_nscp_query	Request remote information via NSCP.
NSCPClient	remote_nscpforward	Forward the request as-is to remote host via NSCP.
NSCPClient	submit_remote_nscp	Submit information to remote host via NSCP.
SimpleCache	check_cache	Fetch results from the cache.
SimpleCache	list_cache	List all keys in the cache.
SMTPClient	submit_smtp	Submit information to the remote SMTP server.
SyslogClient	submit_syslog	Submit information to the remote syslog server.