🐧
Learning path
Linux, foundations to defense
Everyday shell to hardening, detection engineering, and deep internals.
4 Courses~27h
The roadmap · 4 Courses
01Linux essentialsPermissions, processes, systemd, journals — everyday fluency.Beginner · ~7h02Linux hardeningHarden a default install — SSH, nftables, SELinux, auditd, CIS.Intermediate · ~5h03Advanced Linux securityAttacker tradecraft on the host, then detection and response.Advanced · ~8h04Advanced Linux internals & toolingPerformance, systemd internals, storage, and the kernel.Advanced · ~7h