13 January 2026
DNS Explained: The Backbone of the World Wide Web
How DNS works at a global scale, real-world DNS architecture, and a walkthrough of self-hosting an authoritative DNS server with PowerDNS.
Things I work through: DNS, TLS, containers, Kubernetes, networking, and more.
1 October 2025
What is a web server and role of nginx in it ?
What web servers actually do, how Nginx handles thousands of concurrent connections with its event-driven architecture, and how to configure it for real workloads.
29 June 2025
A Deep Dive into SSL/TLS: The Protocols That Secure the Internet
A comprehensive guide to understanding SSL, TLS, and the cryptographic protocols that ensure confidentiality, integrity, and authentication on the web.
7 June 2025
Getting Started with Kubernetes for Developers
A developer-friendly introduction to Kubernetes — pods, deployments, services, and namespaces explained with hands-on examples for getting started with K8s.
25 April 2025
Getting started with Golang
Go was designed at Google in 2007 by Robert Griesemer, Rob Pike, and Ken Thompson to improve programming productivity in an era of multicore, networked machines and large codebases.
1 April 2025
Virtualization , Containers and role of docker in it
How virtualization works, what containers are, and why Docker changed the way we build and ship software — explained from first principles with practical examples.
29 September 2024
Understanding TCP and UDP: Key Networking Protocols
A clear explanation of TCP and UDP — how they differ, when to use each, and how these transport-layer protocols power everything from web browsing to video streaming.
19 November 2023
Behind the Scenes: How Computers Keep Track of Time
How computers track time internally — Unix timestamps, UTC, NTP, hardware clocks, and why the year 2038 problem matters. A deep dive into timekeeping in operating systems.
11 November 2023
PHP a general purpose programming language
Choosing a programming language often depends on the task at hand, the platform you are targeting, and your personal preferences.
27 October 2023
Git and GitHub- Basic commands for beginners
Not a complete course for Git just basic 5 to 6 commands which i use every day