RedSec
26 lessons

Linux

Shell skills, permissions, services, logs, and safe privilege escalation practice.

  1. 001 Linux filesystem navigation Learn Linux filesystem navigation through a safe, repeatable linux workflow. intro tutorial 20 min
  2. 002 Users, groups, and permissions Learn Users, groups, and permissions through a safe, repeatable linux workflow. intro tutorial 20 min
  3. 003 Processes and services Learn Processes and services through a safe, repeatable linux workflow. intro tutorial 20 min
  4. 004 Environment variables and PATH Learn Environment variables and PATH through a safe, repeatable linux workflow. intro tutorial 20 min
  5. 005 File capabilities overview Learn File capabilities overview through a safe, repeatable linux workflow. intro tutorial 20 min
  6. 006 Cron and scheduled jobs Learn Cron and scheduled jobs through a safe, repeatable linux workflow. intro tutorial 20 min
  7. 007 Logs and audit trails Learn Logs and audit trails through a safe, repeatable linux workflow. intro reference 12 min
  8. 008 Package managers and installed software Learn Package managers and installed software through a safe, repeatable linux workflow. intro tutorial 20 min
  9. 009 SUID and SGID review Learn SUID and SGID review through a safe, repeatable linux workflow. core lab 30 min
  10. 010 Hardening a practice VM Learn Hardening a practice VM through a safe, repeatable linux workflow. core tutorial 20 min
  11. 011 Filesystem hierarchy standard Learn Filesystem hierarchy standard through a safe, repeatable linux workflow. core tutorial 20 min
  12. 012 Reading passwd and shadow safely Learn Reading passwd and shadow safely through a safe, repeatable linux workflow. core tutorial 20 min
  13. 013 sudoers configuration review Learn sudoers configuration review through a safe, repeatable linux workflow. core tutorial 20 min
  14. 014 PATH hijacking in labs Learn PATH hijacking in labs through a safe, repeatable linux workflow. core reference 12 min
  15. 015 Writable directories and sticky bit Learn Writable directories and sticky bit through a safe, repeatable linux workflow. core tutorial 20 min
  16. 016 Linux capabilities deep dive Learn Linux capabilities deep dive through a safe, repeatable linux workflow. core tutorial 20 min
  17. 017 systemd service review Learn systemd service review through a safe, repeatable linux workflow. core tutorial 20 min
  18. 018 Timer units and scheduled tasks Learn Timer units and scheduled tasks through a safe, repeatable linux workflow. core lab 30 min
  19. 019 Log rotation and evidence loss Learn Log rotation and evidence loss through a safe, repeatable linux workflow. core tutorial 20 min
  20. 020 SSH configuration basics Learn SSH configuration basics through a safe, repeatable linux workflow. core tutorial 20 min
  21. 021 Bash history and operational hygiene Learn Bash history and operational hygiene through a safe, repeatable linux workflow. core reference 12 min
  22. 022 Process inspection with ps and lsof Learn Process inspection with ps and lsof through a safe, repeatable linux workflow. core tutorial 20 min
  23. 023 Network sockets with ss Learn Network sockets with ss through a safe, repeatable linux workflow. core tutorial 20 min
  24. 024 Mount points and filesystem flags Learn Mount points and filesystem flags through a safe, repeatable linux workflow. core tutorial 20 min
  25. 025 AppArmor and SELinux concepts Learn AppArmor and SELinux concepts through a safe, repeatable linux workflow. core tutorial 20 min
  26. 026 Kernel version and exploitability notes Learn Kernel version and exploitability notes through a safe, repeatable linux workflow. advanced tutorial 35 min