Ram Krishna AES Encryption: Understanding AES-256 and AES-256-GCM Let's talk about encryption in a way that actually makes sense. If you've ever wondered what all those "AES-256" labels mean on your VPN or cloud storage service, or why security folks keep mentioning... AES encryption AES-256 AES-256-GCM Cryptography Cybersecurity Data Protection Encryption Algorithms Information Security Security Engineering Tamper Protection
Ram Krishna Secure Your Node.js App in Minutes with zsecurity What is zsecurity? If you’re building apps with Node.js and Express (or Koa), you already know how important security is. Attacks like SQL injections, XSS, command injections, and bots can hit your ap... Open Source XSS Protection backend security express middleware express.js koa nodejs nodejs security npm package web application firewall zsecurity
Ram Krishna Docker Commands: Simplified for Everyone Docker has become one of the most popular tools in the DevOps and cloud world. Whether you are a developer, system admin, or just starting your journey in IT, understanding Docker commands is essentia... AWS Devops Azure DevOps Cloud Computing Containerization DevOps tools DevOps workflows Docker docker composer docker swarm
Ram Krishna curl: A Handy Guide for Everyday Developers When you start working with APIs, web servers, or even debugging your own applications, one command-line tool quickly becomes your best friend — curl . But let’s be honest. Most of us only remember on... API testing Command line tools Debugging tools DevOps tools HTTP requests Linux commands Open Source REST API curl web development
Ram Krishna Build an AI agent in python Let’s build a simple AI agent in Python to illustrate the concept. Accept user input Plan steps to reach the goal Execute actions Learn or adapt slightly How we are going to make it happen, let's brea... AI AI Agent AI Backend AI Infrastructure ARQ Async ASGI FastAPI Image to Text LLM OCR Smart Web App WebSockets python server
Ram Krishna ARQ vs Celery — How to Pick the Right Python Task Queue When choosing a Python task queue, both Celery and ARQ are options, though other alternatives like RQ, Huey, and Dramatiq are also popular. Python web applications need to run background jobs or async... ARQ Async Background Tasks Celery Alternative Cloud Computing Docker FastAPI Task Queue Web Application serverless function
Ram Krishna Multi-threading in NestJS or nodejs Node.js is single-threaded by default, making CPU-intensive tasks a performance bottleneck. NestJS leverages worker threads to solve this—offloading heavy operations without blocking the main event lo... Multithreading NestJSFramework cpu-intensive tasks nestjs nestjs worker threads nodejs worker_threads
Ram Krishna Automating Jobs using AWS Lambda: Real Use Cases & Python Examples As tech teams grow, simple backend tasks like sending out reminders, tidying up logs, syncing data, resizing images, or grabbing updates from third-party APIs, generate orders or sending some reports ... AWS Devops AWS EBS AWS RDS AWS S3 Hybrid Cloud Lambda fuction aws lambda serverless serverless function
Ram Krishna How to Set Up a Secure Reverse Proxy in Apache2 Virtual Hosts When running multiple web applications or microservices, using Apache HTTP Server as a reverse proxy is a common approach to route traffic to backend applications (like a Node.js app, Python API, or D... Apache Apache Reverse Proxy DevOps tools HTTPS Apache OWASP Security Proxy Configuration Web Server Optimization Web Server Security web server
Ram Krishna Python Web Servers: Uvicorn vs Gunicorn vs Daphne vs Hypercorn When you're getting started with building and deploying web applications in Python, picking the right web server can really boost your app's performance, scalability, and compatibility. In the excitin... AWS Devops Azure DevOps Backend Development Daphne DevOps tools Gunicorn Hypercorn Python Automation Uvicorn WSGI application server python server
Ram Krishna Automate Docker Restarts on Crash or Exit Using a Simple Script Sometimes, Docker containers fail silently or exit with a non-zero code that isn't caught by standard restart policies. But what happens when a container crashes or exits unexpectedly and --restart=al... AWS Devops Automation Azure DevOps Backend Development Container Management Crash Recovery DevOps tools DevOps workflows DevSecOps Docker shell scripting
Ram Krishna All Major Protocols in Computer Science Explained In the vast world of computer science, protocols are the foundation of communication, data exchange, security, and interoperability. Whether you're accessing a website, sending an email, connecting to... Cloud Computing Network Mapping Network security OSI Model Protocols SMTP Tech Education