--- title: "Nitheesh Poojary (@nitheeshp) | Hashnode" description: "DevOps Engineer. Read the latest articles by Nitheesh Poojary on Hashnode." url: "https://hashnode.com/@nitheeshp" --- @nitheeshp # Nitheesh Poojary @nitheeshp · Dublin,Ireland · Joined February 2021 DevOps Engineer ### [Machine Learning vs Deep Learning vs Generative AI - What are the Differences?](https://freecodecamp.org/news/machine-learning-vs-deep-learning-vs-generative-ai?utm_source=hashnode&utm_medium=feed) When I started using LLMs for work and personal use, I picked up on some technical terms, such as "machine learning" and "deep learning," which are the main technologies behind these LLMs. I've always been interested in learning about the differences... 7 min read · [freecodecamp.org](https://freecodecamp.org/news/machine-learning-vs-deep-learning-vs-generative-ai?utm_source=hashnode&utm_medium=feed) [Oct 2, 2025](https://hashnode.com/posts/machine-learning-vs-deep-learning-vs-generative-ai/68de98a534a379d15102109e) ### [From Commit to Production: Hands-On GitOps Promotion with GitHub Actions, Argo CD, Helm, and Kargo](https://freecodecamp.org/news/from-commit-to-production-hands-on-gitops-promotion-with-github-actions-argo-cd-helm-and-kargo?utm_source=hashnode&utm_medium=feed) Have you ever wanted to go beyond ‘hello world’ and build a real, production-style CI/CD pipeline – starting from scratch? Let’s pause for a moment: what are you trying to learn from your DevOps journey? Are you focusing on GitOps-style deployments, ... 19 min read · [freecodecamp.org](https://freecodecamp.org/news/from-commit-to-production-hands-on-gitops-promotion-with-github-actions-argo-cd-helm-and-kargo?utm_source=hashnode&utm_medium=feed) [Jun 5, 2025](https://hashnode.com/posts/from-commit-to-production-hands-on-gitops-promotion-with-github-actions-argo-cd-helm-and-kargo/6841f1319c94d5fa67dae6e3) ### [How to Simplify AWS Multi-Account Management with Terraform and GitOps](https://freecodecamp.org/news/simplify-aws-multi-account-management-with-terraform-and-gitops?utm_source=hashnode&utm_medium=feed) In the past, in the world of cloud computing, a company's journey often began with a single AWS account. In this unified space, development and testing environments coexisted, while the production environment lived in a separate account. This arrange... 14 min read · [freecodecamp.org](https://freecodecamp.org/news/simplify-aws-multi-account-management-with-terraform-and-gitops?utm_source=hashnode&utm_medium=feed) [Nov 26, 2024](https://hashnode.com/posts/simplify-aws-multi-account-management-with-terraform-and-gitops/6745e19265a8ceed4a65c3eb) ### [AWS Security Specialty Certification: How to Prepare for the Exam](https://freecodecamp.org/news/aws-security-specialty-certification-study-tips?utm_source=hashnode&utm_medium=feed) Welcome to my latest tutorial! After a three-year hiatus from certifications, I'm thrilled to announce that I've successfully obtained the AWS Certified Security Specialty certification. As someone who strongly believes in the power of community lear... 18 min read · [freecodecamp.org](https://freecodecamp.org/news/aws-security-specialty-certification-study-tips?utm_source=hashnode&utm_medium=feed) [Oct 15, 2024](https://hashnode.com/posts/aws-security-specialty-certification-study-tips/670e8de0b14141d162654266) ### [How to Troubleshoot Your Network on Linux – OSI Model Troubleshooting Guide](https://freecodecamp.org/news/how-troubleshoot-network-on-linux?utm_source=hashnode&utm_medium=feed) In the world of networking, you may find yourself troubleshooting problems such as difficulty connecting to other computers or to SSH, problems with IP tables, or being unable to access websites. However, have you ever attempted to troubleshoot your ... 6 min read · [freecodecamp.org](https://freecodecamp.org/news/how-troubleshoot-network-on-linux?utm_source=hashnode&utm_medium=feed) [Mar 25, 2024](https://hashnode.com/posts/how-troubleshoot-network-on-linux/66b9f9cd01c4f505a2083107)