Vignesh's Blog

This is a continuation of my previous post on Kubernetes Raspberry Pi Setup. In this guide, we’ll walk through setting up a lightweight Kubernetes cluster using K3s and leveraging Cilium for powerful networking and security. This setup builds upon the Raspberry Pi cluster foundation covered in the previous post, showcasing how this combination is ideal for resource-constrained environments like home labs or edge computing.

Continue reading 

A comprehensive guide to setting up Kubernetes on bare metal using Raspberry Pi clusters, covering hardware setup, networking, and cluster configuration.

Continue reading 

While AWS recommends the Certified Developer - Associate exam for those with at least a year of hands-on experience, I believe success depends more on dedicated preparation. I decided to pursue this certification not just for the accreditation but for the structured learning path it provides.

Continue reading 

This guide explains how to write an AWS Lambda serverless function in Go that is triggered by an Amazon EventBridge rule on a schedule. The function checks product stock levels and sends an email notification if stock drops below a specified threshold.

Continue reading 

Vim is a highly configurable and powerful text editor that, once mastered, can significantly boost your productivity. While it’s famous for its steep learning curve, the investment pays off, allowing you to perform complex edits with just a few keystrokes.

Continue reading 