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Learning path
Linux, foundations to defense
Start with the everyday shell. Hardening leads on to advanced security, and internals can follow straight after essentials.
4 Courses~30h
The roadmap · 4 Courses
01Linux essentialsOperate a modern Linux server: shell, files, permissions, services, logs, storage and networking.Beginner · ~8h02Linux hardeningHarden a default server one control at a time, with verification and rollback.Intermediate · ~7h03Advanced Linux securityHow Linux hosts are attacked, and how defenders detect, investigate and respond.Advanced · ~6h04Advanced Linux internals & toolingWhy Linux behaves as it does: processes, memory, storage, networking, and how to measure them.Advanced · ~9h