Rajesh Kumar

Choosing a product development partner feels a lot like choosing a long-term collaborator. You are not just hiring people to write code. You are trusting them with…

Online form builders have become essential tools for marketers, educators, businesses, and anyone who needs to collect information digitally. In 2026, there are many excellent form builder…

Below is a practical, step-by-step Google Cloud API Gateway setup using a dummy backend on Cloud Run (hello service), then testing via curl. This follows Google’s official…

Here’s a clean list of major programming languages, the common package tool(s), and the central community package repository. Programming language Package tool(s) Central community package repository Rust…

As organizations move faster toward cloud-native architectures and continuous delivery, security, observability, and governance can no longer be treated as afterthoughts. In 2026, high-performing teams rely on…

DevOps Performance Monitoring and Application Security in 2026: A Complete Practical Guide Modern software systems are no longer simple monoliths running on a single server. In 2026,…

Why Dynatrace OneAgent Is Architecturally Different A comparison of agent models, instrumentation depth, and data unification Modern observability platforms all promise “full-stack visibility,” but how they collect…

Think cybersecurity careers are out of reach because you didn’t major in computer science? Think again. The cybersecurity field faces a severe talent shortage, with hundreds of…

You don’t need a hotel or tourism degree to lead in hospitality. The global hospitality industry welcomes professionals from diverse backgrounds, finance executives, designers, event planners, educators,…

Data is at the center of all modern industries, enabling AI systems, Fintech platforms and medical diagnostics and autonomous logistics, as well as cybersecurity, smart retail as…

Tool Category / Purpose What Problem It Solves Why Use This Tool (Key Strengths) When to Use (Training/Capstone Flow) dotnet-counters Live runtime diagnostics Check CPU, GC, allocations,…

Category Tool Name Type Purpose / What It Does Best For Cost Built-in SQL Server Tools Query Store Native feature Captures query history, execution plans, regressions; identifies…

1. Recommended GitHub Application Chosen app: NimblePros/eShopOnWeb Repo: https://github.com/NimblePros/eShopOnWeb (GitHub) Why this one: We’ll treat: 2. Capstone: High-Level Structure Your “DOTNET Performance Optimization Capstone” will use eShopOnWeb…

A Complete End-to-End Guide for High-Performance Data Access in ASP.NET Applications ⭐ PREFACE Modern ASP.NET applications rely heavily on databases—not just to store records, but to power…

1. What are finalizers, really? When you delete a Kubernetes object (CRD, Namespace, Pod, etc.), Kubernetes does not delete it immediately. Instead it: A finalizer is just…

Modern companies generate huge amounts of data, yet many still struggle to use it in a practical and timely way. Centralized setups slow decisions and overload a…

Hospitals depend on data the way hearts depend on rhythm. When that rhythm skips, outcomes suffer. Each dataset tells a patient’s story, and engineers shape how clearly…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

✅ IIS-Only Performance Optimization Settings (Complete List) 1. Application Pool Settings (IIS Core) ✔ Start Mode ✔ Idle Time-out ✔ Worker Process Settings ✔ Recycling Settings 2….

0. First principle: measure before tuning Before touching settings: 1. OS & Hardware-level optimizations These are outside IIS but critical: 2. IIS application pool tuning 2.1 .NET…

ChatGPT Atlas 1. What is ChatGPT Atlas? ChatGPT Atlas is a new web browser developed by OpenAI that deeply integrates the ChatGPT conversational AI into the browser…

We’ll run RabbitMQ in Docker on an AWS EC2 instance, and use your Windows laptop for both the producer and consumer. I’ll walk you through: 1. Provision…

1. Big picture – why messaging in .NET? In modern .NET systems, you almost never want services talking to each other via direct HTTP calls only. Messaging…

Below is a complete, runnable .NET 8 demo where: You’ll be able to feel the difference. 1. Solution structure We’ll build this: Target: .NET 8.0 (works with…

Here’s a single, self-contained console app that lets you experience the difference between: You’ll see timing + GC stats for both in the same run. 1️⃣ Full…

This is a perfect demo topic. Here’s a single, self-contained console app that lets you feel the difference between: You’ll get timing + GC stats for both…

Here’s a single, self-contained console app you can run to see and feel the difference between: It includes: Works on any modern .NET (7/8/9/10+). 1️⃣ Full Code…

1. Install k6 on Windows You have a few options. I’ll show the two easiest: Option A – Using winget (recommended if available) Option B – Using…

📘 OWASP TOP 10 — COMPLETE IN-DEPTH GUIDE (BASIC → ADVANCED) Covers all 10 categories with: 🔥 A01 — BROKEN ACCESS CONTROL The #1 risk because access…