Notes:
- Had to install the extra MIBs with ``
- Data is always in integer format. If you want decimals you have to use
Factor - Watch your
MaxBytes! If a value goes above that, MRGT will assume it was an error and either make it a0or not display it at all. - How to check an OID with SNMP:
snmpget -v 2c localhost -c public .1.3.6.1.2.1.25.1.21 - I put the entire flow of Updating MRTGs into a single script to avoid race conditions
/usr/local/bin/update_values_and_run_mrtg - APCUPSD Getting Started: http://www.anites.com/2013/09/monitoring-ups.html
- MRTG is writing to
/www/mrgton the Pi, but NGINX just points to that as the root.
Helpful Links:
- David Taylor, the main link: http://www.satsignal.eu/raspberry-pi/monitoring.html#snmp
- Some common OIDs: http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html
- Some helpful MRTG config examples: http://www.debianadmin.com/mrtg-installation-and-configuration-in-debian-based-distributions-2.html
- This was helpful too: http://thejimmahknows.com/mrtg-in-minutes/?doing_wp_cron=1457481884.3515729904174804687500
- MRTG Docs: https://oss.oetiker.ch/mrtg/doc/mrtg-reference.en.html