About This Blog

Welcome to my technical blog, a collection of practical guides, command references, and best practices for system administration and development.

This blog focuses on providing concise, actionable content for:

• Command-line tools and utilities - Comprehensive guides for bash, curl, wget, dig, and other essential CLI tools
• System administration - SSL certificate management, automation scripts, and server maintenance
• Text processing - File manipulation, data cleanup, and text transformation techniques
• Development workflows - Practical examples and reference materials for daily development tasks

Each post is designed to be:

• Practical and actionable - Real-world examples you can use immediately
• Concise but complete - Essential information without unnecessary fluff
• Reference-friendly - Easy to bookmark and return to when needed

• Email: decaf200 [at] decaf200.com
• Alternative Email: decaf [at] decaf200.com
• XMPP: decaf200com [at] xmpp.jp

Feel free to reach out with questions, suggestions, or feedback about the content.