--- title: "Shahrukh Ahmad (@Shahrukh086) | Hashnode" description: "IAM / PKI Developer. Read the latest articles by Shahrukh Ahmad on Hashnode." url: "https://hashnode.com/@Shahrukh086" --- @Shahrukh086 # Shahrukh Ahmad @Shahrukh086 路 Dehli, India 路 Joined August 2024 IAM / PKI Developer ### [馃攼 Understanding the Authentication Protocols Behind Modern IAM](https://shahrukh086.hashnode.dev/understanding-the-authentication-protocols-behind-modern-iam?utm_source=hashnode&utm_medium=feed) 1锔忊儯 LDAP Why first?Because identities, users, groups, OUs, and directories are the foundation of IAM. Learn: Active Directory Users & Groups Organizational Units (OU) Group Policies Directory Ser 2 min read 路 [shahrukh086.hashnode.dev](https://shahrukh086.hashnode.dev/understanding-the-authentication-protocols-behind-modern-iam?utm_source=hashnode&utm_medium=feed) [Jun 20](https://hashnode.com/posts/understanding-the-authentication-protocols-behind-modern-iam/6a36e2f9407d7f716d9765a1) ### [End to End RAG Pipeline Folder Structure](https://shahrukh086.hashnode.dev/end-to-end-rag-pipeline-folder-structure?utm_source=hashnode&utm_medium=feed) Installation On Windows. powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex" Or With pip. # pip install uv \\=> Create virtual enviroment # uv venv \\=> Activate virtual enviroment # .venv/Scripts/activate # uv init # req... 1 min read 路 [shahrukh086.hashnode.dev](https://shahrukh086.hashnode.dev/end-to-end-rag-pipeline-folder-structure?utm_source=hashnode&utm_medium=feed) [Sep 1, 2025](https://hashnode.com/posts/end-to-end-rag-pipeline-folder-structure/68b52de5819a5c66c8da5990) ### [Prompt Engineering vs. Fine-Tuning vs. RAG: A Guide to Customizing LLMs](https://shahrukh086.hashnode.dev/prompt-engineering-vs-fine-tuning-vs-rag-a-guide-to-customizing-llms?utm_source=hashnode&utm_medium=feed) Introduction Large Language Models (LLMs) are incredibly powerful, but to get them to perform specific tasks for your business or application, you often need to customize them. The three primary methods for doing this are Prompt Engineering, Fine-Tun... 4 min read 路 [shahrukh086.hashnode.dev](https://shahrukh086.hashnode.dev/prompt-engineering-vs-fine-tuning-vs-rag-a-guide-to-customizing-llms?utm_source=hashnode&utm_medium=feed) [Aug 28, 2025](https://hashnode.com/posts/prompt-engineering-vs-fine-tuning-vs-rag-a-guide-to-customizing-llms/68b04d7f022434696f1cd35a) ### [The Power of RAG in Modern AI Applications](https://shahrukh086.hashnode.dev/the-power-of-rag-in-modern-ai-applications?utm_source=hashnode&utm_medium=feed) Introduction In today's fast-paced digital world, leveraging AI for customer support and other applications is becoming essential. However, relying on a Large Language Model (LLM) alone can lead to generic, unhelpful responses because it's only train... 3 min read 路 [shahrukh086.hashnode.dev](https://shahrukh086.hashnode.dev/the-power-of-rag-in-modern-ai-applications?utm_source=hashnode&utm_medium=feed) [Aug 28, 2025](https://hashnode.com/posts/the-power-of-rag-in-modern-ai-applications/68b042c1c35908937bce9c34) ### [Tips and Tricks of Interview](https://shahrukh086.hashnode.dev/tips-and-tricks-of-interview?utm_source=hashnode&utm_medium=feed) if you are sitting in a interview the first thing you should have Projects Two to three Projects are necessary Explain First end to end project using STAR method Situation: Briefly describe the project's goal. (e.g., "I built a model to predict ... 1 min read 路 [shahrukh086.hashnode.dev](https://shahrukh086.hashnode.dev/tips-and-tricks-of-interview?utm_source=hashnode&utm_medium=feed) [Aug 28, 2025](https://hashnode.com/posts/tips-and-tricks-of-interview/68b03f0e8ba837ab2df1b584)