On 6/19/2017 7:25 PM, Ian Mortimer wrote: > mrtg would be a simple option. It's designed for graphing network > traffic but can be used to graph anything you like. There are examples > in the contrib directory. mrtg is very obsolete, and has been replaced with rrdtool, and integrated realtime graphing systems like cacti and librenms -- john r pierce, recycling bits in santa cruz