Books

When production breaks, the answer is in a log file on a server somewhere. grep, curl, jq, Bash, and Docker — your survival kit, with 100 exercises.

Learn Bash the way it should be taught: by building one real, tested backup tool — not toy examples — one Git commit at a time.

Troubleshooting Linux systems can feel like solving a mystery—but the right strategies make all the difference. This ebook teaches practical techniques, tools, and real-world approaches that help you diagnose problems faster and fix them with confidence.