Lately I've been looking at my #NTP #rrdtool graphs more often because I switched the NTP implementation on my #FreeBSD server from #ntpd to #chrony. Overall, I'm quite impressed with chrony - although it seems to be so good I wonder if I'm plotting comparable data. :) #timenut

Last week, I did a major OS upgrade and replaced a dumb switch with a managed one and set up LACP. Doing this however seems to result in weird latency/time offset spikes. Unplugging one of the two members cleans it up.

@oetiker Oetiker... da war doch was... ach ja. ☺️ Danke für coole OSS. #rrdtool #mrtg

@Hipska #RRDtool works great! In this case we are using #LibreNMS to monitor various systems and I hand crafted an RRDTool command to combine a couple datapoints into one graph.

@jselea TIL #OmniOS Community Edition Association’s president is @oetiker, also developer of #RRDtool and the #Perl based #MRTG and #SmokePing

Welcome @oetiker !!! Good to see our "childhood heroes" come here as well. Thanks for all your work! Made our lives so much easier #rrdtool

Issue for RRDTool in Alpine Linux https://github.polettix.it/ETOOBUSY/2022/01/21/rrdtool-issue-in-alpine/ #rrdtool #linux #alpine

A (possible) bug in RRDTool https://github.polettix.it/ETOOBUSY/2021/12/04/bug-in-rrdtool/ #rrdtool

Cacti is an open-source, web-based network monitoring and graphing tool designed as a front-end application for the open-source, industry-standard data logging tool RRDtool.

Cacti allows a user to poll services at predetermined intervals and graph the resulting data.

https://www.cacti.net/

#cacti #rrdtool #linux #network

Dug through an old server to recover some shell scripts I wrote years ago to poll an HP router (via SNMP) and graph its traffic stats on a web page.

Threw the results up on GH for posterity:
https://gist.github.com/kadin2048/b4a1e64a2f8e5623aeb8307282d23752

#rrdtool #snmp #networking

TIL #rrdtool data files aren't portable. https://github.com/oetiker/rrdtool-1.x/issues/366

I set up a graph to track how many unsorted photos my wife and I have. Can't for the life of me figure out how to get a right Y axis to graph the two lines at their own scale. http://i.abackstrom.com/share/rrd/ #rrdtool

OpenCV practice: OCR for the electricity meter
https://www.mkompf.com/cplus/emeocv.html

#energy #current #electricity #energy_measurement #consumption_of electricity #electricity_meter #OpenCV #OCR #Raspberry_Pi #Linux #RRDtool

Today was productive. I've submitted #mypy compatibility fixes to Python aiohttp module (fixes mypy --strict on projects using aiohttp) and successfully investigated #rrdtool crash which affected my #munin setup, PR submitted as well.

With #foss, you can just fix all the bugs yourself, this feels great.