nikhil-baskar.hashnode.devPAM in a Nutshell: How Pluggable Authentication Modules Work🔑Ever wonder what actually happens when you type your password into Linux? 🤔 You might think your shell magically knows who you are — but in reality, there’s a whole system behind the scenes making sure only the right people get in. That system is ca...Sep 20, 2025·3 min read
nikhil-baskar.hashnode.devsudo-rs in a Nutshell: Why Ubuntu is Switching to Rust-Powered sudo 🚀We’ve all been there. You’re happily hacking away, run into a “Permission denied,” and your fingers instinctively type: sudo <whatever-command> Boom — instant power. Root access 👀. But here’s the thing: every time you type sudo, you’re literally ha...Sep 18, 2025·3 min read
nikhil-baskar.hashnode.devReal-World Shared-Nothing Architectures in Action 🌍✨🚀 Introduction Ever wondered how large-scale systems like Google or Netflix manage to stay fast and resilient, even during traffic surges? Let’s dive into the realm of scalable and resilient systems with Shared Nothing Architecture (SNA)! This desig...Sep 18, 2025·5 min read
nikhil-baskar.hashnode.devFrom Bottlenecks to Breakthroughs: Shared Nothing ArchitectureIn today’s data-driven world, scalability is essential. Businesses generate massive amounts of data, and traditional architectures just cannot maintain. With vertical scaling (adding more power to a single server), there is a ceiling—you hit hardware...Sep 17, 2025·6 min read
nikhil-baskar.hashnode.devHow Python Pickle Works Under the Hood🥒Have you ever wondered what happens when you use pickle.dumps() ?What magical process converts your complex Python objects into byte streams? Under the hood, Python's Pickle module is significantly more than a simple tool; it functions as a virtual m...Sep 17, 2025·5 min read
