Negative return for 'memory' service on Linux hosts
Symptoms
Displaying a negative value for the percentage of memory usage on Linux hosts.
Symptom present on EON 5.2 +.
Cause
The most likely cause is the presence of the package net-snmp in version higher than 5.7.2-43.
To be sure, run the following command :
yum info net-snmp
Finally, look at the Version and Revision fields.
Resolution
This problem is resolved with the update 1.2 of the package nagios-plugins-eon. This update includes the fix for the plug-in check_snmp_mem.pl.
Please update the package by running the following command :
yum update nagios-plugins-eon
Result :