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The App of Apps Pattern in ArgoCD

Apr 19 · 9 min read · What is ArgoCD? ArgoCD is a declarative, GitOps-based continuous delivery tool for Kubernetes. You describe the desired state of your cluster - which includes the Helm charts, Kustomize overlays, or p

How I Passed My CKA Exam

Nov 8, 2025 · 6 min read · CKA stands for Certified Kubernetes Administrator which is one of the major Kubernetes certifications. I recently cleared the CKA exam and wanted to share my complete preparation journey, what worked for me, and some key lessons learned along the way...

Network Switches

Aug 16, 2025 · 6 min read · In this article we will deep dive into network switches, asking questions ranging from what are they? why and when to use them? And we will also look at where do they fall in the OSI layer. What is a switch? A network switch is a device that connects...

CKA: Essential Shell commands

Aug 12, 2025 · 5 min read · Redirection operators(>> vs >) : > and >> are redirection operators used to send output to files instead of the terminal. Here's what they mean: > : Redirect and Overwrite Redirects stdout (standard output) to a file. Overwrites the file if it exi...

The Bottleneck of DNS

Aug 11, 2025 · 3 min read · Most software products and organisations ensure reliability by keeping their services and resources running 24×7. However, DNS introduces a unique bottleneck: many companies outsource DNS to providers like Akamai or Cloudflare, giving them little to ...