“O11y”, also known as Observability, is changing how we handle system performance. This guide will walk you through the essentials of O11y and how to implement it effectively. Let's dive in.

While individual blue screen errors are frustrating, the recent global system crashes caused by a CrowdStrike update incompatible with Microsoft Windows have wreaked havoc across entire industries since early Friday morning. Companies ranging from the airlines, media, and banking industries have been facing significant disruptions, with thousands of customer-facing devices experiencing blue screens and causing widespread travel delays and chaos.

Shubham Srivastava from our team had the pleasure of meeting Andreas Grabner at KubeCon + CloudNativeCon Europe earlier this year. Andreas wears many hats in his daily work, primarily serving as a DevOps Activist at Dynatrace, where he has dedicated over 16 years to shape the Observability solutions we see today. He is also a Developer Advocate at Keptn – helping teams automate and orchestrate their deployments end-to-end and plays an active role as an Ambassador in the CNCF community.

Do you know how to quickly see what variables and classes are defined? Often, while developing CFEngine policy it’s convenient to emit a variable value or a report based on the presence of a class. For example: In some cases, this is because you are exploring what classes are available. In other cases, it might be DEBUG-related reports helping you understand how a variable is resolved during policy evaluation.