[mrtg] Re: How to monitor swap space, cpu and filesystem ?

[Greg.Volk at edwardjones.com]

}Actually my snmpd.conf is:
}
}root at bizio:~# more /etc/snmpd.conf 
}rocommunity community
}
}It works, but in mrtg I see only the graphics related to eth0 
}and eth1. It
}probabily means that I've to add something in my snmpd.conf.
}
}If I run snmpwalk obtained many values but nothing related to 
}swap or cpu...
}
If you're using the net-snmp daemon (www.net-snmp.org) then
you need to reconfigure, recompile, and reinstall it with
the following steps:

./configure --with-mib-modules="host ucd_snmp"
make
make install

After doing that, you should be able to see stuff like:
# snmpwalk -c public localhost .1.3.6.1
HOST-RESOURCES-MIB::hrStorageDescr.101 = STRING: Real Memory
HOST-RESOURCES-MIB::hrStorageDescr.102 = STRING: Swap Space
HOST-RESOURCES-MIB::hrStorageDescr.103 = STRING: Memory Buffers
HOST-RESOURCES-MIB::hrStorageAllocationUnits.1 = INTEGER: 4096 Bytes
HOST-RESOURCES-MIB::hrStorageAllocationUnits.2 = INTEGER: 2048 Bytes
HOST-RESOURCES-MIB::hrStorageAllocationUnits.3 = INTEGER: 4096 Bytes
HOST-RESOURCES-MIB::hrStorageAllocationUnits.4 = INTEGER: 4096 Bytes
HOST-RESOURCES-MIB::hrStorageAllocationUnits.101 = INTEGER: 1024 Bytes
HOST-RESOURCES-MIB::hrStorageAllocationUnits.102 = INTEGER: 1024 Bytes
HOST-RESOURCES-MIB::hrStorageAllocationUnits.103 = INTEGER: 256 Bytes
HOST-RESOURCES-MIB::hrStorageSize.1 = INTEGER: 10576111
HOST-RESOURCES-MIB::hrStorageSize.2 = INTEGER: 52085
HOST-RESOURCES-MIB::hrStorageSize.3 = INTEGER: 17039360
HOST-RESOURCES-MIB::hrStorageSize.4 = INTEGER: 4368283
HOST-RESOURCES-MIB::hrStorageSize.101 = INTEGER: 516100
HOST-RESOURCES-MIB::hrStorageSize.102 = INTEGER: 1253060
HOST-RESOURCES-MIB::hrStorageUsed.1 = INTEGER: 899093
HOST-RESOURCES-MIB::hrStorageUsed.2 = INTEGER: 2517
HOST-RESOURCES-MIB::hrStorageUsed.3 = INTEGER: 15061504
HOST-RESOURCES-MIB::hrStorageUsed.4 = INTEGER: 801389
HOST-RESOURCES-MIB::hrStorageUsed.101 = INTEGER: 511420
HOST-RESOURCES-MIB::hrStorageUsed.102 = INTEGER: 18552
UCD-SNMP-MIB::dskMinPercent.2 = INTEGER: -1
UCD-SNMP-MIB::dskTotal.1 = INTEGER: 42304444
UCD-SNMP-MIB::dskTotal.2 = INTEGER: 17473132
UCD-SNMP-MIB::dskAvail.1 = INTEGER: 36524432
UCD-SNMP-MIB::dskAvail.2 = INTEGER: 13379844
UCD-SNMP-MIB::dskUsed.1 = INTEGER: 3596380
UCD-SNMP-MIB::dskUsed.2 = INTEGER: 3205700
UCD-SNMP-MIB::dskPercent.1 = INTEGER: 9
UCD-SNMP-MIB::dskPercent.2 = INTEGER: 19
UCD-SNMP-MIB::dskPercentNode.1 = INTEGER: 1
UCD-SNMP-MIB::dskPercentNode.2 = INTEGER: 2



>From here, you need to build a MRTG config file that will query
these values. Here is an example...

Target[myserver.disk]:dskPercent.1&dskPercent.2:public at myserver
RouterUptime[myserver.disk]: public at myserver
MaxBytes[myserver.disk]: 100
Title[myserver.disk]: Disk Usage
PageTop[myserver.disk]: <H1>Disk / and /home usage %</H1>
Options[myserver.disk]: growright, gauge, nopercent
ShortLegend[myserver.disk]: %
YLegend[myserver.disk]: Disk Utilization
Legend1[myserver.disk]: Root disk
Legend2[myserver.disk]: /home disk
Legend3[myserver.disk]:
Legend4[myserver.disk]:
LegendI[myserver.disk]:  Root disk
LegendO[myserver.disk]:  /home disk



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