If you’ve ever managed your own server, you know that heart-stopping moment when your website suddenly stops loading. It happened to me a few months back — I had hosted multiple small applications on a single VPS. One morning, everything went offline. Even SSH wouldn’t respond. I thought the hosting company had failed me, but […]
How to Protect Your Server from Overload and Hacking (Complete Guide) Read More »
When I started freelancing back in 2018, I was excited — no office politics, no 9-to-5 grind, and complete freedom. But when my first tax season arrived, I realized that freedom came with its own set of responsibilities — especially income tax. At that time, I didn’t know what Tax Saving Strategies for Freelancers in
In today’s digital and fast-moving financial world, saving on every transaction matters. Whether you’re shopping online, paying bills, or fueling up, the Best Cashback Credit Cards in India (2025) ensure you get something back for every rupee you spend. Unlike traditional reward point systems, cashback credit cards provide real, tangible savings. The cashback amount gets
Best Cashback Credit Cards in India (2025): Earn More on Every Spend Read More »
If you’ve ever wondered how ordinary people manage to create extraordinary wealth over time, the answer is often Systematic Investment Plans (SIPs). A Systematic Investment Plan is not just an investment—it’s a habit, a discipline, and a long-term journey toward financial independence.Whether you’re a student starting your first job, a parent saving for your child’s
Beginner’s Guide to SIPs in India: How to Start and Grow Your Investments Smartly Read More »
I still remember the excitement of my first salary—₹25,000 credited into my account. Like many young professionals in India, I felt like I had “made it.” But by the 20th of every month, I was broke again. The culprit? Endless food orders, weekend shopping, and impulsive expenses – Smart Budgeting for Young Professionals in India
Smart Budgeting for Young Professionals in India: A Complete Guide Read More »
I still remember the day I first decided to try for an H-1B visa. It felt like a ticket to something big — a career leap, new cities, and the chance to work with world-class teams. Over the years, I’ve applied myself, guided friends, and closely watched the process. And when the 2025 H-1B fee
The Hidden Cost of the American Dream: Rising H-1B Visa Fees and Indian Aspirants Read More »
When I took my first international trip, I confused passport and visa — and I’m not embarrassed to admit it. They sound similar, but they do very different jobs. Over the years I’ve applied for passports, student visas, and even helped friends through work visa applications. So here’s a simple, no-jargon guide written like I’m
Passport and Visa Made Simple: A Beginner’s Travel Guide Read More »
Node-RED Dashboard is one of the most powerful features for building IoT projects. It lets you design interactive dashboards where you can control devices, visualize data, and monitor sensors — all from a simple web browser. I’ve been using Node-RED for a while, and creating dashboards has always been the most exciting part because you
How to Create Node-RED Dashboard – techknowledge.in Read More »
Raspberry Pi is one of the most popular platforms for IoT projects due to its affordability and flexibility. When combined with Node-RED, it becomes a powerful tool for automating workflows, connecting sensors, and building real-time dashboards. In this guide, you’ll learn how to deploy Node-RED on Raspberry Pi step by step, from installation to first
Automation is evolving quickly, and Node-RED remains one of the most powerful tools for creating flows that connect devices, services, and APIs without heavy coding. In 2025, developers, engineers, and hobbyists are using Node-RED not just for IoT projects but also for smart homes, factories, and energy monitoring. In this post, we’ll explore the best
