Master essential Linux troubleshooting commands for system administrators. Complete guide covering process management, service control, and network diagnostics.

Learn how to install GCC compiler, compile C/C++ programs on Linux with debugging, optimization flags. Complete tutorial with examples and commands.

Step-by-step Jekyll tutorial for beginners. Learn Jekyll installation, GitHub Pages setup, blog creation, themes, and deployment. Complete guide with examples.

Complete guide to coding challenge platforms for interview prep, competitive programming, hackathons, algorithms & data structures practice.

Master Markdown syntax with this comprehensive cheatsheet. Includes text formatting, code blocks, tables, links, images, and advanced features.

Learn R programming with top resources, tutorials, books, datasets, packages, and communities for data science and statistics.