Bike shares have become increasingly popular as a supplement to public transportation in major cities, and present a convenient alternative to lugging your own bike…
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Running Humio on OpenShift
The other day I wanted to test Humio on OpenShift, but I ran into some problems. Mainly due to OpenShift’s reluctance to run containers as…
Leave a CommentImprove your PagerDuty to Microsoft Teams integration using Azure Functions
Please note: I have seen issues indicating that this solution is not production ready (when on a Subscription Plan). Errors include multiple alert messages per…
7 CommentsSensu plugin deployment using Git and regular checks (Linux/Windows)
One of Sensu’s strong points is how it executes plugins stored on remote client machines. But it means you need to have an automated deployment…
Leave a CommentUpgrading Graphite on Ubuntu 14.04 (0.9.12.3 -> 0.9.15)
If you’ve installed Graphite from the default Ubuntu 14.04 (trusty) repositories, chances are you’ve got version 0.9.12-3 installed. And you might have stumbled upon performance…
Leave a CommentUsing LibreNMS for server OS monitoring, part 4: A simpler overview
LibreNMS is excellent at graphing metrics. But sometimes, getting a quick overview of the health of all your devices can be a bit troublesome. When…
1 CommentUsing LibreNMS for server OS monitoring, part 3: The aggregate CPU alert hack
Important! This fix is not applicable to later versions of LibreNMS. Please refer to the article comments below. (Updated February 2019) At the moment, LibreNMS…
12 CommentsUsing LibreNMS for server OS monitoring, part 2: Alert rules
My greatest enemy is alert fatigue. Every time I receive a false positive alert from a monitoring system, I cringe. I try my best to…
Leave a CommentUsing LibreNMS for server OS monitoring, part 1: Basic configuration tweaks
After being an Observium user for several years, I recently made the switch to LibreNMS, an open source fork of Observium. If you’re unfamiliar with…
6 CommentsHow to remotely enable/disable a LED on your Arduino using PHP and Processing
Just got your first Arduino, but you don’t have any additional hardware? Gotten a little tired of watching the LED blink by itself, with no…
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