CPU Usage
/etc/mrtg/cpu.cfg
WorkDir: /var/www/mrtg
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
RouterUptime[localhost.cpu]: public@127.0.0.1
MaxBytes[localhost.cpu]: 100
Title[localhost.cpu]: CPU Load
PageTop[localhost.cpu]: Active CPU Load %
Unscaled[localhost.cpu]: ymwd
ShortLegend[localhost.cpu]: %
YLegend[localhost.cpu]: CPU Utilization
Legend1[localhost.cpu]: Active CPU in % (Load)
Legend2[localhost.cpu]:
Legend3[localhost.cpu]:
Legend4[localhost.cpu]:
LegendI[localhost.cpu]: Active
LegendO[localhost.cpu]:
Options[localhost.cpu]: growright,nopercent
Memory Usage
/etc/mrtg/mem.cfg
LoadMIBs: /usr/share/snmp/mibs/HOST-RESOURCES-MIB.txt
Target[localhost.mem]: .1.3.6.1.4.1.2021.4.6.0&.1.3.6.1.4.1.2021.4.6.0:public@localhost
PageTop[localhost.mem]:Free Memory
WorkDir: /var/www/mrtg
Options[localhost.mem]: nopercent,growright,gauge,noinfo
Title[localhost.mem]: Free Memory
MaxBytes[localhost.mem]: 1000000
kMG[localhost.mem]: k,M,G,T,P,X
YLegend[localhost.mem]: bytes
ShortLegend[localhost.mem]: bytes
LegendI[localhost.mem]: Free Memory:
LegendO[localhost.mem]:
Legend1[localhost.mem]: Free memory, not including swap, in bytes
Memory Monitoring (Total Versus Available Memory)
/etc/mrtg/memfree.cfg
LoadMIBs: /usr/share/snmp/mibs/HOST-RESOURCES-MIB.txt
Target[server.memory]: memAvailReal.0&memTotalReal.0:public@localhost
Title[server.memory]: Free Memory
PageTop[server.memory]: < H1 >Free Memory< /H1 >
MaxBytes[server.memory]: 100000000000
ShortLegend[server.memory]: B
YLegend[server.memory]: Bytes
LegendI[server.memory]: Free
LegendO[server.memory]: Total
Legend1[server.memory]: Free memory, not including swap, in bytes
Legend2[server.memory]: Total memory
Options[server.memory]: gauge,growright,nopercent
kMG[server.memory]: k,M,G,T,P,X
Memory Monitoring (Percentage usage)
/etc/mrtg/mempercent.cfg
LoadMIBs: /usr/share/snmp/mibs/HOST-RESOURCES-MIB.txt
Title[server.mempercent]: Percentage Free Memory
PageTop[server.mempercent]: < H1 >Percentage Free Memory< /H1 >
Target[server.mempercent]: ( memAvailReal.0&memAvailReal.0:publicy@localhost ) * 100 / ( memTotalReal.0&memTotalReal.0:public@localhost )
options[server.mempercent]: growright,gauge,transparent,nopercent
Unscaled[server.mempercent]: ymwd
MaxBytes[server.mempercent]: 100
YLegend[server.mempercent]: Memory %
ShortLegend[server.mempercent]: Percent
LegendI[server.mempercent]: Free
LegendO[server.mempercent]: Free
Legend1[server.mempercent]: Percentage Free Memory
Legend2[server.mempercent]: Percentage Free Memory
Disk Usage
/etc/mrtg/disk.cfg
LoadMIBs: /usr/share/snmp/mibs/HOST-RESOURCES-MIB.txt
Target[server.disk]: dskPercent.1&dskPercent.2:public@localhost
Title[server.disk]: Disk Partition Usage
PageTop[server.disk]: < H1 >Disk Partition Usage /home and /var< /H1 >
MaxBytes[server.disk]: 100
ShortLegend[server.disk]: %
YLegend[server.disk]: Utilization
LegendI[server.disk]: /home
LegendO[server.disk]: /var
Options[server.disk]: gauge,growright,nopercent
Unscaled[server.disk]: ymwd
Creating jobs for CPU , Memory and Disk Usage
CPU
/etc/cron.mrtg/cpu
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/cpu.cfg
Memory
/etc/cron.mrtg/mem
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/mem.cfg
Memory Free
/etc/cron.mrtg/memfree
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/memfree.cfg
Memory Percentage
/etc/cron.mrtg/mempercent
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/mempercent.cfg
Disk
/etc/cron.mrtg/disk
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/disk.cfg
Run each script 3 times (disregard the warnings)
/etc/cron.mrtg/cpu
/etc/cron.mrtg/mem
/etc/cron.mrtg/memfree
/etc/cron.mrtg/mempercent
/etc/cron.mrtg/disk
Make the Index Files
#/usr/bin/indexmaker –output=/var/www/mrtg/index.html \
–title=”Memory and CPU Usage ” \
–sort=name \
–enumerate \
/etc/mrtg/cpu.cfg \
/etc/mrtg/mem.cfg \
/etc/cron.mrtg/memfree \
/etc/cron.mrtg/mempercent \
/etc/cron.mrtg/disk
