The check_overcr Plugin

check_overcr v2.3git (monitoring-plugins 2.3git)
Copyright (c) 1999 Ethan Galstad <>
Copyright (c) 2000-2007 Monitoring Plugins Development Team

This plugin attempts to contact the Over-CR collector daemon running on the
remote UNIX server in order to gather the requested system information.

check_overcr -H host [-p port] [-v variable] [-w warning] [-c critical] [-t timeout]

 -h, --help
    Print detailed help screen
 -V, --version
    Print version information
    Read options from an ini file. See
    for usage and examples.
 -H, --hostname=ADDRESS
    Host name, IP Address, or unix socket (must be an absolute path)
 -p, --port=INTEGER
    Port number (default: 2000)
 -w, --warning=INTEGER
    Threshold which will result in a warning status
 -c, --critical=INTEGER
    Threshold which will result in a critical status
 -v, --variable=STRING
    Variable to check.  Valid variables include:
    LOAD1         = 1 minute average CPU load
    LOAD5         = 5 minute average CPU load
    LOAD15        = 15 minute average CPU load
    DPU<filesys>  = percent used disk space on filesystem <filesys>
    PROC<process> = number of running processes with name <process>
    NET<port>     = number of active connections on TCP port <port>
    UPTIME        = system uptime in seconds
 -t, --timeout=INTEGER
    Seconds before connection times out (default: 10)
 -v, --verbose
    Show details for command-line debugging (output may be truncated by
    the monitoring system)

This plugin requires that Eric Molitors' Over-CR collector daemon be
running on the remote server.
Over-CR can be downloaded from
This plugin was tested with version 0.99.53 of the Over-CR collector

 For the available options, the critical threshold value should always be
 higher than the warning threshold value, EXCEPT with the uptime variable

Send email to if you have questions regarding
use of this software. To submit patches or suggest improvements, send email