Fan speed and system temperature via MRTG

The configs... With these I can monitor about every aspect of the system, and even the influence of the sun on my garage. A similar configuration is possible on the ReadyNAS Duo. Don't know about other ReadyNAS devices.

mrtg.cfg

# Created by 
# /usr/bin/cfgmaker --global 'WorkDir: /c/mrtg' --output /etc/mrtg.cfg public@127.0.0.1

### Global Config Options
#  for Debian
WorkDir: /var/www/mrtg

### Global Defaults
PageTop[$]: <a href="index.html">Back to main page...</a>
WriteExpires: Yes

EnableIPv6: no
WorkDir: /c/mrtg

######################################################################

Include: mrtg/mrtg.eth0.cfg
Include: mrtg/mrtg.cpu.cfg
Include: mrtg/mrtg.memory.cfg
Include: mrtg/mrtg.hdd.cfg
Include: mrtg/mrtg.fan.cfg
Include: mrtg/mrtg.systemtemperature.cfg
Include: mrtg/mrtg.hddtemperature.cfg

mrtg.cpu.cfg

LoadMIBs: /usr/share/snmp/mibs/UCD-SNMP-MIB.txt
Target[localhost.cpu]: ssCpuRawUser.0&ssCpuRawUser.0:public@127.0.0.1 + ssCpuRawSystem.0&ssCpuRawSystem.0:public@127.0.0.1 + ssCpuRawNice.0&ssCpuRawNice.0:public@127.0.0.1
MaxBytes[localhost.cpu]: 100
Title[localhost.cpu]: CPU Load
PageTop[localhost.cpu]: <h1>CPU Load</h1>
Unscaled[localhost.cpu]: ymwd
ShortLegend[localhost.cpu]: %
YLegend[localhost.cpu]: CPU Utilization
LegendI[localhost.cpu]: Active
Options[localhost.cpu]: noo, growright, gauge

mrtg.eth0.cfg

### Interface 2 >> Descr: 'eth0' | Name: 'eth0' | Ip: '10.0.0.72' | Eth: '00-0d-a2-02-77-3d' ###
Target[localhost.eth0]: 2:public@127.0.0.1:
SetEnv[localhost.eth0]: MRTG_INT_IP="10.0.0.72" MRTG_INT_DESCR="eth0"
MaxBytes[localhost.eth0]: 125000000
Title[localhost.eth0]: eth0 Traffic
PageTop[localhost.eth0]: <h1>eth0 Traffic</h1>
Options[localhost.eth0]: growright

mrtg.fan.cfg

#LoadMIBs: /usr/share/snmp/mibs/READYNAS-MIB.txt
Target[localhost.fan]: .1.3.6.1.4.1.4526.18.4.1.2.1&.1.3.6.1.4.1.4526.18.4.1.2.1:public@127.0.0.1
Options[localhost.fan]: gauge, nopercent, noo, growright
MaxBytes[localhost.fan]: 4000
Title[localhost.fan]: Fan Speed
PageTop[localhost.fan]: <H1>Fan Speed</H1>
YLegend[localhost.fan]: RPMS
ShortLegend[localhost.fan]: RPMS
LegendI[localhost.fan]: Rear Fan
WithPeak[localhost.fan]: ymwd
Unscaled[localhost.fan]: ymwd
Colours[localhost.fan]: SKYBLUE#87CEEB,PLUM#DDA0DD,STEELBLUE#FFA500,PURPLE#800080

mrtg.hdd.cfg

Target[localhost.hdd]: .1.3.6.1.4.1.4526.18.7.1.6.1&.1.3.6.1.4.1.4526.18.7.1.6.1:public@127.0.0.1
MaxBytes[localhost.hdd]: 3000000000
Title[localhost.hdd]: HDD Free Space
PageTop[localhost.hdd]: <h1>HDD Free Space</h1>
ShortLegend[localhost.hdd]:
YLegend[localhost.hdd]: Free Space
LegendI[localhost.hdd]: Free Space
Options[localhost.hdd]: gauge, growright, nopercent, noo
kMG[localhost.hdd]: M,G,T,P,X

mrtg.hddtemperature.cfg

Target[localhost.hdd1temperature]: ((.1.3.6.1.4.1.4526.18.3.1.5.1&.1.3.6.1.4.1.4526.18.3.1.5.1:public@127.0.0.1 - 32) * 5) / 9
Options[localhost.hdd1temperature]: gauge, nopercent, noo, growright
MaxBytes[localhost.hdd1temperature]: 64
Title[localhost.hdd1temperature]: hdd1 Temperature
PageTop[localhost.hdd1temperature]: <H1>hdd1 Temperature</H1>
YLegend[localhost.hdd1temperature]: Degrees Celcius
ShortLegend[localhost.hdd1temperature]: °C
LegendI[localhost.hdd1temperature]: hdd1
WithPeak[localhost.hdd1temperature]: ymwd
Unscaled[localhost.hdd1temperature]: ymwd
Colours[localhost.hdd1temperature]: GOLD#FFD700,RED#FF0000,ORANGE#FFA500,DARK RED#8B0000

Target[localhost.hdd2temperature]: ((.1.3.6.1.4.1.4526.18.3.1.5.2&.1.3.6.1.4.1.4526.18.3.1.5.2:public@127.0.0.1 - 32) * 5) / 9
Options[localhost.hdd2temperature]: gauge, nopercent, noo, growright
MaxBytes[localhost.hdd2temperature]: 64
Title[localhost.hdd2temperature]: hdd2 Temperature
PageTop[localhost.hdd2temperature]: <H1>hdd2 Temperature</H1>
YLegend[localhost.hdd2temperature]: Degrees Celcius
ShortLegend[localhost.hdd2temperature]: °C
LegendI[localhost.hdd2temperature]: hdd2
WithPeak[localhost.hdd2temperature]: ymwd
Unscaled[localhost.hdd2temperature]: ymwd
Colours[localhost.hdd2temperature]: GOLD#FFD700,RED#FF0000,ORANGE#FFA500,DARK RED#8B0000

Target[localhost.hdd3temperature]: ((.1.3.6.1.4.1.4526.18.3.1.5.3&.1.3.6.1.4.1.4526.18.3.1.5.3:public@127.0.0.1 - 32) * 5) / 9
Options[localhost.hdd3temperature]: gauge, nopercent, noo, growright
MaxBytes[localhost.hdd3temperature]: 64
Title[localhost.hdd3temperature]: hdd3 Temperature
PageTop[localhost.hdd3temperature]: <H1>hdd3 Temperature</H1>
YLegend[localhost.hdd3temperature]: Degrees Celcius
ShortLegend[localhost.hdd3temperature]: °C
LegendI[localhost.hdd3temperature]: hdd3
WithPeak[localhost.hdd3temperature]: ymwd
Unscaled[localhost.hdd3temperature]: ymwd
Colours[localhost.hdd3temperature]: GOLD#FFD700,RED#FF0000,ORANGE#FFA500,DARK RED#8B0000

Target[localhost.hdd4temperature]: ((.1.3.6.1.4.1.4526.18.3.1.5.4&.1.3.6.1.4.1.4526.18.3.1.5.4:public@127.0.0.1 - 32) * 5) / 9
Options[localhost.hdd4temperature]: gauge, nopercent, noo, growright
MaxBytes[localhost.hdd4temperature]: 64
Title[localhost.hdd4temperature]: hdd4 Temperature
PageTop[localhost.hdd4temperature]: <H1>hdd4 Temperature</H1>
YLegend[localhost.hdd4temperature]: Degrees Celcius
ShortLegend[localhost.hdd4temperature]: °C
LegendI[localhost.hdd4temperature]: hdd4
WithPeak[localhost.hdd4temperature]: ymwd
Unscaled[localhost.hdd4temperature]: ymwd
Colours[localhost.hdd4temperature]: GOLD#FFD700,RED#FF0000,ORANGE#FFA500,DARK RED#8B0000

mrtg.memory.cfg

Target[localhost.memory]: .1.3.6.1.4.1.2021.4.6.0&.1.3.6.1.4.1.2021.4.4.0:public@127.0.0.1
MaxBytes[localhost.memory]: 1000000
Title[localhost.memory]: Available Memory
PageTop[localhost.memory]: <h1>Available Memory</h1>
ShortLegend[localhost.memory]:
YLegend[localhost.memory]: Physical + Swap
LegendI[localhost.memory]: Physical
LegendO[localhost.memory]: Swap
Options[localhost.memory]: gauge, growright, nopercent
kMG[localhost.memory]: k,M,G,T,P,X

mrtg.systemtemperature.cfg

Target[localhost.systemperature]: ((.1.3.6.1.4.1.4526.18.5.1.2.1&.1.3.6.1.4.1.4526.18.5.1.2.1:public@127.0.0.1 - 32) * 5) / 9
Options[localhost.systemperature]: gauge, nopercent, noo, growright
MaxBytes[localhost.systemperature]: 64
Title[localhost.systemperature]: System Temperature
PageTop[localhost.systemperature]: <H1>System Temperature</H1>
YLegend[localhost.systemperature]: Degrees Celcius
ShortLegend[localhost.systemperature]: °C
LegendI[localhost.systemperature]: System
WithPeak[localhost.systemperature]: ymwd
Unscaled[localhost.systemperature]: ymwd
Colours[localhost.systemperature]: CRIMSON#DC143C,MAROON#800000,GREY#808080,DARK SLATE GREY#2F4F4F