✍️ Personal notes by Rajesh Singh
Thoughts worth keeping!
Practical notes on DevOps, AI & ML, architecture, data systems, and lessons learned from real engineering work.
✨ Latest Post
AI & ML
Iris Species Classification: The Machine Learning Workflow
End-to-end Iris species classification using Python and scikit-learn, covering data validation, EDA, model comparison, evaluation, interpretation & prediction.
/ 6 min read
AI & ML
Llama 3.1 vs 3.2 - Which Model is Right for You?
Compare Llama 3.1 vs 3.2 across multimodal capabilities, model sizes, and practical use cases to choose the right model.
DevOps
Terraform Safety - Keep Resources Safe from Accidental Deletion
Learn how to protect Terraform resources from accidental deletion using lifecycle.prevent_destroy and enable_deletion_protection. A must-read guide for DevOps engineers who value safe and stable infrastructure.
DevOps
Serverless Auth Made Simple - AWS Cognito, Lambda & API Gateway
Learn how to build custom authentication APIs using AWS Cognito, Lambda, and API Gateway — without managing a single backend server. A serverless approach to secure, scalable, and cost-effective centralized auth.