May
16
2009
You can easily graph Freeradius number of active sessions with a simple shell script, if you store accounting data in a SQL database. Use the script below for Mysql that you can easily adapt to other databases like Oracle or PostgreSQL. Check the complete list of supported databases by Freeradius. A certain number of sessions […]
Tags: Freeradius, graph, monitoring, mrtg
Apr
10
2009
AS400 CPU and memory resources monitoring can be handled with the SNMP protocol if SNMP service has been enabled. Values are not directly exploitable and need to be worked on before being displayed. All of these commands were executed on a Linux server. Check your Linux distribution to install snmpwalk, there’s a package for it […]
Tags: AS400, IBM i, iSeries, mrtg, snmp
Mar
19
2009
MRTG needs at least 2 values to generate graphs. Thus, Most configurations contain the same OID twice in the target line. This leads to 2 problems: – The same data is collected twice which requires more bandwidth, especially when a large number of hosts is monitored – The value may vary during this very short […]
Tags: monitoring, mrtg, snmp