SRShahriar Rashidinthewonderingwallet.hashnode.dev·Apr 22 · 8 min readI Had a Salary. I Had Zero Savings. And Then My 50,000 Taka Taught Me a Lesson I'll Never Forget.Let me paint you a picture. It's the end of the month. Your phone buzzes. Salary credited. You feel like a king — the kind who could probably sponsor a small feast and not check the bill. For approxim01R
SRShahriar Rashidincode-cloud-coffee.hashnode.dev·Jul 14, 2025 · 4 min readLinux Commands Cheat Sheet for DevOps: Master the Terminal on UbuntuIn the world of DevOps, you’ll spend a significant part of your day inside a terminal — configuring servers, deploying apps, automating tasks. Mastering Linux commands not only saves time but also builds your confidence as you navigate production sys...00
SRShahriar Rashidincode-cloud-coffee.hashnode.dev·Jul 13, 2025 · 3 min readInside the Penguin: Understanding Linux Structure, Kernel, Distributions & FlavorsTo truly appreciate Linux, we need to peek under the hood. Linux isn’t a single piece of software — it’s a modular ecosystem, built on layers. Here's how it's structured: Kernel – The core brain that talks to hardware System Libraries – Helpers for...00
SRShahriar Rashidincode-cloud-coffee.hashnode.dev·Jul 13, 2025 · 3 min readFrom Clicks to Kernels: Why I Started My DevOps Journey with LinuxAn operating system is the silent engine behind everything you do on a computer — whether you're watching Netflix, coding an app, or spinning up servers in the cloud. It acts as a bridge between the user and the hardware, managing memory, processes, ...00
SRShahriar Rashidincode-cloud-coffee.hashnode.dev·May 27, 2025 · 4 min readThe Day Costco Crumbled Under the Weight of Black Friday & How Load Balancing Could Save the DayIt was Thanksgiving Day, 2019, a golden opportunity for retailers to capitalize on eager shoppers. Costco, a giant in the retail industry, had rolled out its one-day sale offering irresistible deals on laptops, TVs, and other electronics. But instead...00
