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os_mon(7) Erlang Application Definition os_mon(7)

os_mon - OS Monitoring Application

The operating system monitor, OS_Mon, provides the following services:
cpu_sup CPU load and utilization supervision (Unix)
disksup Disk supervision(Unix, Windows)
memsup Memory supervision (Unix, Windows)
os_sup Interface to OS system messages (Solaris, Windows)

To simplify usage of OS_Mon on distributed Erlang systems, it is not considered an error trying to use a service at a node where it is not available (either because OS_Mon is not running, or because the service is not available for that OS, or because the service is not started). Instead, a warning message is issued via error_logger and a dummy value is returned, which one is specified in the man pages for the respective services.

When OS_Mon is started, by default all services available for the OS, except os_sup, are automatically started. This configuration can be changed using the following application configuration parameters:
start_cpu_sup = bool():
Specifies if cpu_sup should be started. Defaults to true.
start_disksup = bool():
Specifies if disksup should be started. Defaults to true.
start_memsup = bool():
Specifies if memsup should be started. Defaults to true.
start_os_sup = bool():
Specifies if os_sup should be started. Defaults to false.

Configuration parameters effecting the different OS_Mon services are described in the respective man pages.

See config(4) for information about how to change the value of configuration parameters.

cpu_sup(3), disksup(3), memsup(3), os_sup(3), nteventlog(3), snmp(3).
os_mon 2.7.1 Ericsson AB

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