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= Modules =
NSClient++ comes with a few modules out of the box that perform various checks. A list of the modules and their potential use is listed below.  Click each plug-in to see detailed command descriptions and how the various modules can be used.

== [wiki:CheckDisk] ==
Module to do various disk related checks.
 * [wiki:CheckFileSize], Check the size of a file
 * [wiki:CheckDriveSize], Check the size of a fixed drive or mounted volume
 * [wiki:CheckFile], Check various aspects on one or more files or directories.

== [wiki:CheckEventLog] ==
Module to check event log
 * [wiki:CheckEventLog], Check event log for errors

== [wiki:CheckSystem] ==
Module to check system related things
 * [wiki:CheckCPU], Check CPU load averages
 * [wiki:CheckUpTime], Check system uptime
 * [wiki:CheckServiceState], Check State of a service
 * [wiki:CheckProcState], Check state of a process (application)
 * [wiki:CheckMem], Check state of memory (Page file)
 * [wiki:CheckCounter], Check performance counters

== [wiki:CheckHelpers] ==
Various helper function, doesn't check anything in it self but can help make things simpler.
 * [wiki:CheckAlwaysOK], Runs another check and always returns OK regardless of result.
 * [wiki:CheckAlwaysCRITICAL], Runs another check and always returns CRITICAL regardless of result.
 * [wiki:CheckAlwaysWARNING], Runs another check and always returns WARNING regardless of result.
 * [wiki:CheckMultiple], Runs multiple checks and returns them all in one go.
 * [wiki:CheckOK], Always returns OK (useful for NSCA)
 * [wiki:CheckCRITICAL], Always returns CRITICAL (useful for NSCA)
 * [wiki:CheckWARNING], Always returns WARNING (useful for NSCA)
 * [wiki:CheckVersion], Returns the version of NSClient++

== [wiki:FileLogger] ==
Logs all messages (errors, warnings etc) to a file.

== [wiki:NRPEListener] ==
Listens for incoming NRPE calls and handles them by injecting them into the core. It also listens for all NRPE definitions and executes them

== [wiki:NSClientListener] ==
Listens for incoming NSClient calls and handles them accordingly. This only allows a limited subset of functionality and NRPE is recommended.

== [wiki:SysTray] ==
A simple module to show an icon in the tray when the service is running this module does not export any check commands.

== [wiki:CheckWMI] ==
 * [wiki:CheckWMI/CheckWMI CheckWMI], Check large resultsets from (for instance are there more then 5-rows matching criteria X, ie. more than 5 internet explorer processes which uses more than 123Mb memory).
 * [wiki:CheckWMIValue], Check the result of a query (ie. are the current memory utilization over X)

== [wiki:CheckTaskSched] ==
 * [wiki:CheckTaskSched/CheckTaskSched CheckTaskSched], Check if scheduled tasks are working/scheduled/*.

== [wiki:CheckExternalScripts] ==
User defined check commands, allows writing check scripts in external languages (VB, batch, EXE, *).

== [wiki:LUAScript] ==
User defined check commands, allows writing check scripts (and wrap others in) the Lua scripting language.

== [wiki:NSCAAgent] ==
No check commands, has functions to send results from check_commands to a NSCA server.

== [wiki:RemoteConfiguration] ==
'''DEPRECATED'''
No check commands, has functions to manage the configuration remotely.

= All Commands =
A list of all commands (alphabetically).
[[ListTagged(check)]]