RRDREEL(1) RRDREEL(1) NAME rrdreel – Live data visualisation framework SYNOPSIS rrdreel backend [option...] DESCRIPTION rrdreel is a live data visualisation framework for the impatient: • generate data over time • pipe them to rrdreel with a proper visualisation backend • enjoy the graph, adapt timeslot with left button mouse • hit <Esc> key to quit BACKENDS rrdreel provides two kind of backends: Gauge: Plot a single value over time. Options: • step: input value rate in seconds (uint) • title: graph title (string) • vlabel: vertical label (string) • legend: value legend (string) • unit: value unit (string) Interface: Plot network interface traffic over time. Options: • step: input value rate in seconds (uint) • title: graph title (string) • vlabel: vertical label (string) • in_legend: input value legend (string) • in_unit: input value unit (string) • out_legend: output value legend (string) • out_unit: output value unit (string) EXAMPLE #!/usr/bin/env bash # Graph a random value between 0 and 9 step=1 while true; do echo $(( $RANDOM % 10 )) sleep $step done | rrdreel gauge \ step $step \ title "A silly graph" legend "Random values" \ vlabel "Value" \ unit "(0 - 9)" DEPENDENCIES rrdreel depends on rrdtool(1). AUTHOR Gerome Fournier <jef@foutaise.org>. April 2020