--- title: "Khaled Saifullah (@saifullah76704) | Hashnode" description: "CSE Student @ American International University - Bangladesh | Aspiring Full Stack + DevOps and Cloud Engineer" url: "https://hashnode.com/@saifullah76704" --- @saifullah76704 # Khaled Saifullah @saifullah76704 · Dhaka | Bangladesh · Joined July 2025 CSE Student @ American International University - Bangladesh | Aspiring Full Stack + DevOps and Cloud Engineer [Website](https://khaledsaifullah-omnitrix-portfolio.netlify.app/) ### [AWS Cloud Notebook — Part 02](https://khaled-devops-journey.hashnode.dev/aws-cloud-notebook-part-02?utm_source=hashnode&utm_medium=feed) 🌍 Understanding AWS Global Infrastructure: Regions, Availability Zones, and Service Types 7 min read · [khaled-devops-journey.hashnode.dev](https://khaled-devops-journey.hashnode.dev/aws-cloud-notebook-part-02?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/aws-cloud-notebook-part-02/697d1151ea6c34e3d14891be) ### [📘 AWS Cloud Notebook — Part 01](https://khaled-devops-journey.hashnode.dev/aws-cloud-notebook-part-01?utm_source=hashnode&utm_medium=feed) Understanding AWS fundamentals through hands-on EC2 deployment 5 min read · [khaled-devops-journey.hashnode.dev](https://khaled-devops-journey.hashnode.dev/aws-cloud-notebook-part-01?utm_source=hashnode&utm_medium=feed) [Jan 25](https://hashnode.com/posts/aws-cloud-notebook-part-01/69763814af94d6e0010fb6f2) ### [Docker Series – Part 01: From Virtual Machines to Containers](https://khaled-devops-journey.hashnode.dev/docker-series-part-01-from-virtual-machines-to-containers?utm_source=hashnode&utm_medium=feed) Understanding the Foundation of Containerization and Docker Architecture 4 min read · [khaled-devops-journey.hashnode.dev](https://khaled-devops-journey.hashnode.dev/docker-series-part-01-from-virtual-machines-to-containers?utm_source=hashnode&utm_medium=feed) [Nov 13, 2025](https://hashnode.com/posts/docker-series-part-01-from-virtual-machines-to-containers/69163b43ebe98b50a3cbd4b9) ### [DevOps Engineers: Getting Started with Computer Networking - Part 2](https://khaled-devops-journey.hashnode.dev/devops-engineers-getting-started-with-computer-networking-part-2?utm_source=hashnode&utm_medium=feed) Ports, Topologies, the OSI Model, Data Flow, Encryption, and Addresses 7 min read · [khaled-devops-journey.hashnode.dev](https://khaled-devops-journey.hashnode.dev/devops-engineers-getting-started-with-computer-networking-part-2?utm_source=hashnode&utm_medium=feed) [Nov 1, 2025](https://hashnode.com/posts/devops-engineers-getting-started-with-computer-networking-part-2/69062d4f98418d25ac4a8de1) ### [DevOps Engineers: Getting Started with Computer Networking - Part 1](https://khaled-devops-journey.hashnode.dev/devops-engineers-getting-started-with-computer-networking-part-1?utm_source=hashnode&utm_medium=feed) What a network is, why it matters for DevOps, protocols, IP/DNS, packets, and routers — explained with practical examples. 7 min read · [khaled-devops-journey.hashnode.dev](https://khaled-devops-journey.hashnode.dev/devops-engineers-getting-started-with-computer-networking-part-1?utm_source=hashnode&utm_medium=feed) [Oct 24, 2025](https://hashnode.com/posts/devops-engineers-getting-started-with-computer-networking-part-1/68fbb5a897afebcca92ddeb8)