RRDtool Getting Data notes

RRDtool Update Syntax
RRDtool update filename [--template|-t ds-name[:d sname] ...] N|timestamp:value[:value ...]
FileName RRD Database file name
--template|-t ds-name[:d S-name] to update the name of the data source in the RRD database, where-t specifies the order of the data source
N|timestamp:value[:value] Time: The value to update, n represents the current time.

Case:

RRDtool Update TEST.RRD n:123456

Random numbers can be automatically generated using the random of the bash script

#!/bin/bash#while true;do rrdtool update test.rrd N: $RANDOM sleep 5sdone

RRDtool Getting Data notes