--- title: "Shikhar Shukla (@shikhar999) | Hashnode" description: "SDE. Read the latest articles by Shikhar Shukla on Hashnode." url: "https://hashnode.com/@shikhar999" --- @shikhar999 # Shikhar Shukla @shikhar999 · Mumbai, India · Joined December 2021 SDE [Website](https://www.shikharshukla.com/) ### [Solving the "Language Model Unavailable" Error in VS Code Copilot (It's Not Your Local Setup!)](https://shikhar99.hashnode.dev/solving-the-language-model-unavailable-error-in-vs-code-copilot-it-s-not-your-local-setup?utm_source=hashnode&utm_medium=feed) 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 endpo 3 min read · [shikhar99.hashnode.dev](https://shikhar99.hashnode.dev/solving-the-language-model-unavailable-error-in-vs-code-copilot-it-s-not-your-local-setup?utm_source=hashnode&utm_medium=feed) [Apr 14](https://hashnode.com/posts/solving-the-language-model-unavailable-error-in-vs-code-copilot-it-s-not-your-local-setup/69de31f7345b86c2e03a2961) ### [What Is Agentic AI & AI Agents? A Practical Guide](https://shikhar99.hashnode.dev/what-is-agentic-ai-and-ai-agents-a-practical-guide?utm_source=hashnode&utm_medium=feed) A 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 ... 3 min read · [shikhar99.hashnode.dev](https://shikhar99.hashnode.dev/what-is-agentic-ai-and-ai-agents-a-practical-guide?utm_source=hashnode&utm_medium=feed) [Dec 30, 2025](https://hashnode.com/posts/what-is-agentic-ai-and-ai-agents-a-practical-guide/69537eac25569e0910ce1cac) ### [Building a Cost-Efficient Shared Storage Architecture Using AWS Spot Instances, EFS & S3 Sync](https://shikhar99.hashnode.dev/building-a-cost-efficient-shared-storage-architecture-using-aws-spot-instances-efs-and-s3-sync?utm_source=hashnode&utm_medium=feed) When 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... 3 min read · [shikhar99.hashnode.dev](https://shikhar99.hashnode.dev/building-a-cost-efficient-shared-storage-architecture-using-aws-spot-instances-efs-and-s3-sync?utm_source=hashnode&utm_medium=feed) [Nov 20, 2025](https://hashnode.com/posts/building-a-cost-efficient-shared-storage-architecture-using-aws-spot-instances-efs-and-s3-sync/691f0a2ae4e6decf7aa631e0) ### [🚦 Mastering AWS Route 53 Failover: Simulating Multi-Region Resilience with EC2 & Nginx](https://shikhar99.hashnode.dev/mastering-aws-route-53-failover-simulating-multi-region-resilience-with-ec2-and-nginx?utm_source=hashnode&utm_medium=feed) When 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... 5 min read · [shikhar99.hashnode.dev](https://shikhar99.hashnode.dev/mastering-aws-route-53-failover-simulating-multi-region-resilience-with-ec2-and-nginx?utm_source=hashnode&utm_medium=feed) [Oct 29, 2025](https://hashnode.com/posts/mastering-aws-route-53-failover-simulating-multi-region-resilience-with-ec2-and-nginx/69021de2a85cdbb9820b1963) ### [🚀 Automating Twitter Data Fetching and Image Generation using AWS Fargate, Python, and S3](https://shikhar99.hashnode.dev/automating-twitter-data-fetching-and-image-generation-using-aws-fargate-python-and-s3?utm_source=hashnode&utm_medium=feed) A 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... 5 min read · [shikhar99.hashnode.dev](https://shikhar99.hashnode.dev/automating-twitter-data-fetching-and-image-generation-using-aws-fargate-python-and-s3?utm_source=hashnode&utm_medium=feed) [Oct 28, 2025](https://hashnode.com/posts/automating-twitter-data-fetching-and-image-generation-using-aws-fargate-python-and-s3/6900b15dd36f9cdd10a1225f)