Solving the "Language Model Unavailable" Error in VS Code Copilot (It's Not Your Local Setup!)If you are using GitHub Copilot's newer Agent/Auto features in VS Code and suddenly get hit with a "Language model unavailable" or "No auto mode endpoints provided" error, stop troubleshooting your loApr 14 · 3 min readshikhar99.hashnode.dev
What Is Agentic AI & AI Agents? A Practical GuideA deep dive into the future of autonomous AI — what these systems are, how they work, and why they matter (explained in simple terms). Artificial Intelligence has made massive strides in recent years — from chatbots that write essays to models that ...Dec 30, 2025 · 3 min readshikhar99.hashnode.dev
Building a Cost-Efficient Shared Storage Architecture Using AWS Spot Instances, EFS & S3 SyncWhen working with cloud architecture, reducing costs while learning real production setups is a smart strategy. In this project, I built a complete storage workflow using AWS Spot Instances, Amazon EFS, and Amazon S3, allowing data to sync across ins...Nov 20, 2025 · 3 min readshikhar99.hashnode.dev
🚦 Mastering AWS Route 53 Failover: Simulating Multi-Region Resilience with EC2 & NginxWhen building production-grade systems, downtime isn’t an if — it’s a when.A healthy SRE mindset says: design for failure, not against it. In this post, we’ll simulate a real-world failover scenario using Amazon Route 53, two EC2 instances running Ng...Oct 29, 2025 · 5 min readshikhar99.hashnode.dev
🚀 Automating Twitter Data Fetching and Image Generation using AWS Fargate, Python, and S3A step-by-step guide to building a serverless pipeline that retrieves tweets, converts them into images, and uploads them to Amazon S3 — all automatically! 🧠 Introduction In this project, we’ll build a serverless workflow that automatically: Fetch...Oct 28, 2025 · 5 min readshikhar99.hashnode.dev