Tutorials

The reference shelves.

Step-by-step guides for Linux and security — plain-spoken, practical, and free.

T·01 Linux Mastery Essential commands, system administration and scripting — written to be understood, not memorised.

Popular ls sudo ip ping all commands

T·02 Cybersecurity Security tooling and fundamentals — reconnaissance, hardening and the craft behind the checklists.

Popular gobuster

Reading is the start — the exam asks you to do it. Drill these commands in real shell labs.

Linux+ PBQ · Nº 06 →