Michael P.O
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Observability

Practical monitoring and debugging workflows for modern distributed systems.

Opentelemetry Observability Devops Certification

I passed the OpenTelemetry Certified Associate (OTCA) exam

It’s done: I passed the OpenTelemetry Certified Associate (OTCA), the certification delivered by the Linux Foundation and the CNCF around the OpenTelemetry project. As usual with certifications, the badge itself is just a

Michael Michael
Opentelemetry Observability Flask Python Devops

OpenTelemetry observability: a step-by-step guide

This post picks up where my earlier Copilot monitoring with OpenTelemetry article stopped and turns the focus to the basics. We will start with a tiny Flask app from my OpenTelemetry playground, wire

Michael Michael
Michael P.O © 2026
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