LibrenNMS/Observium - avaliar link

http://blog.best-practice.se/2014/10/using-rrdcached-with-observium.html
http://network-weathermap.com/
cacti map
http://tricktux.blogspot.com.br/2012/08/observium-vs-cacti.html

 --- avaliar site
http://tricktux.blogspot.com.br/

--- ver librenms interval menor que 5 min
https://forums.freebsd.org/threads/52492/

  http://docs.librenms.org/Extensions/Poller-Service/
 http://docs.librenms.org/Extensions/Distributed-Poller/

--- avaliar site
http://olivermarshall.net/how-to-install-librenms-on-ubuntu/
traffic billing

https://www.nsrc.org/workshops/2015/drukren-nsrc/raw-attachment/wiki/Track1Agenda/librenms.pdf
 
---remover picos de graficos
http://www.observium.org/docs/removing_spikes/

--- avaliar miscelaneous docs
http://www.observium.org/docs/housekeeping/

-- avaliar softwares
http://www.tecmint.com/tag/linux-monitoring/
 
--- comparativo
https://diakopidiktyou.wordpress.com/2015/02/18/4-open-source-monitoring-tools-that-deserve-a-look/
  
https://diakopidiktyou.wordpress.com/2015/02/18/4-open-source-monitoring-tools-that-deserve-a-look/

http://softwarelivre.org/vitola/observe-sua-rede-usando-o-observium

 --- migração
https://vlan50.com/2015/04/17/migrating-from-observium-to-librenms/