• RRD TOOL
  A companion to MRTG for generating system resource usage reports and graphs, monitoring
  in Computers > Linux with computers graphs linux mrtg reports resource system usage by 3 users
• rrdtool Round Robin Database tools howto
  RRD is the Acronym for Round Robin Database. RRD is a system to store and display time-series data (network bandwidth, machine-room temperature, mysql queries,dns queries). This page is a good howto for using RRD, all commands listed in one single page.
  howto of rrdtool the successor of mrtg
  average cdef cnam database def dump fetch genration graph howto monitor png robin round rra rrd rrdtool tools update xml xport
  in Computers > Linux with monitoring mrtg robin round rrd rrdtool system

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