The Promise Was Real Years ago, when AWS announced App Mesh at re:Invent, I tested it with a few microservices to see the interconnections between them. The be...
Introduction What are Namespaces in Kubernetes? - A namespace is a logical grouping of resources within a cluster. - Useful for separating environments such as...
Understanding Identity in Kubernetes Beginner Level Authentication vs Authorization - Authentication – Who are you? - Authorization – What can you do? Kubernet...
🧪 Lab: Headless Services & StatefulSets 🎯 Goal By the end you will clearly see: - Why ClusterIP hides pod identity - Why Headless Service exposes pod identit...
Introduction In today's cloud‑native landscape, Kubernetes has become the de‑facto standard for container orchestration, and Amazon Elastic Kubernetes Service...
Introduction Modern DevOps projects are not just about making things work once — they are about making systems repeatable, debuggable, and reliable. While buil...
Overview If you’re a platform engineer or SRE, you know that managing infrastructure and efficiently managing it are two very different things. You’ve been abl...
Here’s a tidied‑up version of the markdown. The image and link are kept, but the extra spaces and stray characters have been removed for clean, readable formatt...
TL;DR If you see mount.nfs4: access denied by server while mounting 127.0.0.1:/ when mounting EFS volumes in EKS, and the security groups are correct, you’re li...
In the era of monolithic architectures, troubleshooting was relatively straightforward: SSH into the server, grep the log files, and check CPU usage with top. I...
I’ve been in tech for over a decade. If I were starting DevOps from scratch today, I wouldn’t follow most of the tutorials people usually recommend—not because...
ConfigMaps in Kubernetes don’t have built-in revision support, which can create challenges when deploying applications with canary strategies. When using Argo R...
