Programming Study Resources

Free Coding Notes for Developers

High-quality short programming notes, summaries, and downloadable study materials for Java, Python, Spring Boot, and Data Structures & Algorithms.

DevOps Roadmap 2026

DevOps Roadmap 2026 | Coding Notes

The DevOps Roadmap 2026 is a step-by-step learning path for becoming a modern DevOps engineer. It covers essential skills like Linux, Git, Networking, Docker, Kubernetes, CI/CD, Cloud Computing, Monitoring, and Infrastructure as Code to help developers build, deploy, automate, and manage scalable applications efficiently.

Read this DevOps Roadmap.

Linux Operating System Basics

Introduction to Linux, Kernel and Distributions | Complete Linux Basics Notes for Beginners | Coding Notes

Linux is a powerful open-source operating system widely used in servers, cloud computing, DevOps, and software development. It is known for its stability, security, and flexibility. In this topic, you will learn the basic introduction of Linux, including what Linux is, how the Linux Kernel works as the core of the operating system, and what Linux Distributions (Distros) are such as Ubuntu, CentOS, and Fedora. Understanding these fundamentals is essential for anyone starting a career in DevOps, Cloud Engineering, or Software Development. By the end of these notes, you will have a clear under

Understanding what Linux is, kernel, and distributions is more important than memorizing commands.