< Kavinda's Blog >

CircadiaLux: Revolutionizing Healthcare Lighting with ML, IoT, and Human-Centered Design

CircadiaLux: Revolutionizing Healthcare Lighting with ML, IoT, and Human-Centered Design

2025-07-23

How we built an intelligent lighting system that combines machine learning, IoT devices, and modern web technologies to transform patient recovery in hospitals by respecting our natural biological rhythms.

Building a Reliable Backup System for My Multi-Device Setup

Building a Reliable Backup System for My Multi-Device Setup

2025-04-01

In this blog post, I share how I built a reliable backup system to protect my data across multiple devices, including my ThinkPad T480 (Arch Linux), MacBook Air M1, and Android smartphone. I explain how I use Syncthing for seamless file synchronization, Duplicati for automated nightly backups, and a dedicated NVMe SSD in my ThinkPad for on-site backups. If you're looking for a secure, automated, and redundant backup solution, this guide will help you get started! 🚀

Building a Safe and Realistic Hacking Lab

Building a Safe and Realistic Hacking Lab

2025-04-23

Learn how to build a secure and isolated hacking lab using VirtualBox, pfSense, Kali Linux, and a vulnerable pwn box VM. This guide walks you through setting up a virtual router, crafting tight firewall rules, and creating a safe playground for penetration testing — all while keeping your main network untouched and secure. Perfect for ethical hacking, CTFs, and cybersecurity enthusiasts!

How I Designed a Student-Friendly Project Management System That Actually Works

How I Designed a Student-Friendly Project Management System That Actually Works

2025-07-23

Most student projects fail not because of bad ideas—but because there's no structure to hold those ideas together. Here's how I built a custom project management system that helped my team successfully deliver complex projects like CircadiaLux, combining Discord, GitHub, and proven workflows.

My Linux Journey

My Linux Journey

2025-03-31

Linux is more than just an operating system—it's a canvas for creativity and efficiency. From my early days of experimentation to mastering customization, this journey is about pushing the limits of what a system can do. Whether it's switching window managers or crafting the perfect workflow, this blog chronicles my evolution from a curious user to a passionate Linux enthusiast. Welcome to my Linux journey, where every tweak and adjustment brings me closer to the perfect setup!

My Privacy-First Workflow: Passwords, SSH, 2FA & Secure Browsing

My Privacy-First Workflow: Passwords, SSH, 2FA & Secure Browsing

2025-04-05

Learn how I built a privacy-focused, fully offline security workflow using open-source tools like KeePassXC, Syncthing, Aegis Authenticator, and Firefox. This guide covers secure password management, SSH key handling, two-factor authentication, and browser hardening — all without relying on the cloud.

My Self-Hosting Journey

My Self-Hosting Journey

2022-08-30

From an old laptop to a full-fledged home lab—this is my journey into self-hosting and networking. Join me as I experiment with Proxmox, Docker, Pi-hole, and more, turning curiosity into hands-on experience. Whether it's hosting services, securing networks, or planning future upgrades, this blog is all about learning by doing. Welcome to my self-hosting adventure!

© 2025 by Kavinda.