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Queries via snmp and returns the memory usage as a percentage.
Current Version
1.0
Last Release Date
2013-02-22
Owner
Lou Grossi
Download URL
https://exchange.nagios.org/wp-content/uploads/project-files/2013/02/check_ram_usage.php
License
MIT
Compatible With
add this file to your plugins directory and write a command for it.
usage syntax: # php check_ram_usage.php hostname port community warning critical
example: # php check_ram_usage.php 10.123.2.13 161 readcom 85 95
where:
hostname: valid address to your machine port: snmp port community: snmp read community warning: warning level (expressed as % without the % symbol) critical: critical level (expressed as % without the % symbol)
Hi maybe I'm wrong but your script returns not the RAM used it returns the RAM free. Your script queries two values: $total_ram with OID .1.3.6.1.4.1.2021.4.5.0 $total_ram_free with OID .1.3.6.1.4.1.2021.4.6.0 but OID .1.3.6.1.4.1.2021.4.6.0 is not the used RAM on my linux boxes it's the memAvailReal.0 I changed your script a bit and turned "$total_ram_used" to "$total_ram_free" and added a line before "$percentage_ram_used": $total_ram_used = $total_ram - $total_ram_free; cheers chris
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