📋 JayJay's DevOps Diaries ..

Chronicling my journey through Cloud Native Infrastructure.. one step and tool at a time...

Jun 24, 2026 - 10 minute read - Kubernetes DevOps Networking

Linkerd + Deployment Strategy - PART 1 {Canary}

The other day, I shared a concern in a WhatsApp group comprised of some super advanced DevOps Engineers and aspiring Linux Administrators. And there I was, pouring my heart out around the topic of Service Mesh, Istio, and Linkerd. How all these subjects were all intertwined and confusing. I’d also later realised I’d have to throw in a bit of Deployment Strategies just to fully grasp their concepts..

Jun 15, 2026 - 5 minute read - Linux AWS Study Notes

AWS Solutions Architect Certification – Consolidated Study Notes

I'm consolidating my current on going study log & reference guide for my AWS Solutions Architect curriculum with ThinkCloudy

Jun 10, 2026 - 7 minute read - AWS DevOps Kubernetes AutoScale

AntMan Vs Dupli-Kate

Like any tech-geek out there to a degree, I do like comic books, superheroes, Star Wars, Star Trek, the whole shabang, and this time around, I would love to draw your attention to 2 fictional characters in comic books. Ant-Man and Dupli-Kate

Jun 5, 2026 - 3 minute read - Linux DNS Networking

Atrophy from disuse - Forgotten Debug Skills

Growing up, my mother repeatedly said **If you dont blow your trumpet, it would rust** , now imagine how rusty I felt when the other day I had to sort out some DNS issues: transfer a domain, remap subdomains, and tweak A, MX, TXT records, the whole usual stuff. The sad part? I used to do this on autopilot, eyes closed, pure muscle memory, THE MASTER OF MY CRAFT !! I mean, I made Bind9 Servers cry by my sheer presence 💀

May 24, 2026 - 3 minute read - Kubernetes DevOps Networking

Linkerd + Deployment Strategy - PART 2 {Blue-Green}

This article is the second in a series demonstrating different deployment strategies. This time, we will focus on Blue‑Green Deployment, using Linkerd as the service mesh to manage and control the process.

May 2, 2026 - 12 minute read - Kubernetes DevOps Networking

☸️ For the HELM of it - PART 1

In a cheeky 🥴 bid to demonstrate a simple app deployment 🧐 utilizing Helm Charts, 🤔 I would be plagiarising a friends article on Helm Charts that actaully got me started, provided the ground work and basic understanding on them.. I really loved his take on it.

May 2, 2026 - 4 minute read - Kubernetes DevOps Networking

The concept of Deployment Strategies.

In modern software engineering, a deployment strategy is the systematic approach used to release new application code to a production environment. These strategies serve as the bridge between development and end-user access, determining how updates are introduced while maintaining system stability.

May 2, 2026 - 2 minute read - Kubernetes DevOps Networking

The Magic of Service Mesh

A Service Mesh is a dedicated infrastructure layer that handles service-to-service communication within a microservices architecture. Instead of your application code managing complex tasks like traffic routing, security, or observability, a service mesh offloads these responsibilities to a fleet of lightweight network proxies (often called 'sidecars') deployed alongside each service instance.