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Linux for Security

Easy

The universal tool of the field: the shell, permissions, services and logs.

Courses:
14 sections
2.5 h
Basic English

Course content is in English (Basic English). The interface, summaries and glossary are in your language.

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What you will be able to do

  • Work confidently in a Linux shell
  • Reason about users, permissions and SUID
  • Harden a host and verify your own work

Recommended background

These are suggestions, not requirements. You can start now.

Course outline

  1. Module 1

    Getting a Linux

    1. Build Your Lab VM Lab 8 min
    2. Snapshots and Why You Need Them 11 min

  2. Module 2

    The Shell

    1. Navigation and Files 8 min
    2. Pipes and Redirection 11 min
    3. Text Processing 14 min

  3. Module 3

    Users and Permissions

    1. UID, GID and Modes 8 min
    2. sudo Done Right 11 min
    3. SUID and Why It Matters 14 min

  4. Module 4

    Services and Logs

    1. systemd and Listening Ports 8 min
    2. Reading journalctl 11 min
    3. What an Attack Looks Like in a Log 14 min

  5. Module 5

    Hardening

    1. Set Up SSH Hardening Lab 8 min
    2. Firewall Basics 11 min
    3. Verify Your Own Work 14 min

Written by CyberEd DZ