Kavindu Jayarathne | Blog

PulseCheck is a service monitoring platform and DevOps reference environment.

I struggled to add a demo video to one of my repository’s README.md files because of GitHub’s strict conditions.

The story behind creating and publishing macpak, which is my first CLI tool

The Documentation for macpak CLI tool

Homebrew is considered macOS's missing package manager.

A clear and practical explanation of symmetric and asymmetric encryption, what they are, how they differ, and how they’re used in the real world.

Breaking down the cookie flags that protect against XSS and CSRF

A beginner-friendly guide to understanding HTTP requests and the differences between HTTP/1.1 and HTTP/2

I found this cool trick to add empty commits with no changes, and here I talk about it along with common use cases

A deep dive into how JavaScript handles objects in memory, covering reference assignment, nested objects, shallow cloning with spread syntax, and the subtle gotchas that cause unexpected mutations

React officially deprecated Create React App (CRA) in 2025.

I break down what experimental commits are, how to use them, how to save them, and explain some key Git concepts like HEAD, detached HEAD state, and more....

I walk you through the different shell session types like interactive login, non-login, and non-interactive shells, and how various shell programs like Bash and Zsh behave in each.

I recently heard about a concept called monorepo and got curious about what it really means.

I used to get confused about when to use a traditional for loop vs forEach.

I break down how to organize Sass projects using the 7-1 architecture, how I updated it with the modern module system, and some useful Sass functions and setups I personally use like rem/em converters and a constants map setup.