Linux Articles, Tutorials & Guides

Ebook: Introducing LFCS Certification Preparation eBook

New Update: We have published the full LFCS Certification Course (34 chapters) at our premium membership site. For years, certifications

New Update: We have published the full RHCSA & RHCE Certification courses at our premium membership site. If you’re looking

This walks through what a Claude Code Skill actually is, how to install pre-built skills from Anthropic’s marketplace, how to

Yazi is a terminal-based file manager written in Rust that lets you browse, preview, and manage files. It uses asynchronous

I burned through half of my E2B sandbox budget in just two weeks by spinning up containers for AI agents

Node.js is a JavaScript runtime used to build fast and scalable network applications. It uses an event-driven, non-blocking I/O model

If you’ve ever watched an AI coding agent mess up your Obsidian vault, this can help. I keep my second

OpenCode brings an AI coding agent right into your terminal. Once you see it understand an entire project instead of

If you run multiple AI coding agents at the same time, you’ve probably faced this problem: too many terminal tabs,

If your Bash prompt still feels like it belongs in 2005, with no syntax highlighting, no fuzzy history search, and

For years, I never gave GNU coreutils much thought. They’re the standard Linux commands like ls, cp, mv, cat, sort,

If you’ve ever chained together ls, awk, and grep just to find a file or extract a piece of information,

If your AI coding agent keeps reading the same files every time you ask a question, it’s wasting time and

Every time your server needs to look up a domain name, it sends a DNS request to another DNS resolver.