

Nikhil sinha
999 posts

@sinhaniik
SDE-1 @claimzippy → DevOps | Learning DevOps in Public | Docker • AWS • Linux • CI/CD | Real journey + mistakes | Open to DevOps roles (Remote/BLR)




JUST IN: Cursor unveils “Origin,” a new code storage & git hosting platform built to take on GitHub.


started my day with a good read





Top 5 Fun Linux Terminal Commands You Must Try


Before AWS or any kind of public cloud, how did companies run applications? A brief history lesson (i promise i wont be boring) The old way was physical servers. If a company wanted to host an application, it had to buy actual hardware from vendors like IBM, HP, Dell, Cisco, etc., and place those machines inside its own data center. A data center wasn't just a room full of computers. It needed: • Servers • Network switches and routers • Cooling systems • Power backup (UPS, generators) • Fire suppression systems • Physical security • Dedicated operations teams The biggest problem? Servers were expensive and horribly underutilized. Imagine buying a server with 100 GB RAM and 100 CPU units. Your application only needs 1 GB RAM and 1 CPU unit. That means: Used: - 1% CPU - 1% Memory Idle: - 99% CPU - 99% Memory You've already paid for the entire machine, but most of it sits doing nothing. Now multiply that by: • 15 servers • 200 servers • 2,000 servers The waste becomes enormous. And it gets worse. Companies had to estimate future demand months in advance. If traffic suddenly increased: → Buy new hardware → Wait for procurement → Rack and cable servers → Configure networking → Deploy applications This could take weeks or even months. So most organizations overprovisioned infrastructure "just in case," creating even more waste. Then virtualization changed everything. Instead of one application per physical server, hypervisors allowed multiple virtual machines to share the same hardware safely. A single server could now host many workloads. Utilization improved dramatically. Public cloud providers like AWS took this idea to internet scale. Instead of buying servers: • Rent compute by the hour/second • Scale up in minutes • Pay only for what you use • Let AWS manage the hardware, power, cooling, and facilities Cloud wasn't just about renting servers. It was a solution to decades of underutilized hardware, slow provisioning, and massive capital expenditure. Understanding this history makes AWS, EC2, containers, and Kubernetes much easier to appreciate. Cloud is not magic. It's the evolution of infrastructure economics. #AWS












A week ago, searching my domain on Google returned nothing. Today, my website is indexed and shows up in search results. The bug wasn't DNS, hosting, or SSL. The bug was assuming Google already knew my site existed. Search Console + Sitemap + Request Indexing fixed it.
