Foundations¶

This section collects the mental models and fundamental knowledge I use repeatedly as an engineer. Use these pages to quickly refresh a concept or to get the minimal, practical view — not long tutorials.

Quick links¶

• SDLC
• Programming Basics
• Frameworks Overview
• Databases (Conceptual)
• CLI Fundamentals

Linux¶

• Linux Overview
• STDOUT & STDERR
• Cheat Sheet
• tar Command
• Troubleshooting

Networking¶

• Networking Basics
• DNS Resolution (curl)

Other tools¶

• Bash Notes
• Vimrc Guide