Basic System Security
July 1, 2026 · View on GitHub
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Learn Basic System Security. This module covers Configuring the UFW Firewall, Auditing User Logins, Secure Shared Memory on Tmpfs, Understanding Sudoers Configuration, Checking Listening Ports for Security Audit. You will master these essential Linux skills through hands-on labs and real-world challenges.
Exercises
| Index | Name | Difficulty | Practice |
|---|---|---|---|
| 1 | Configuring the UFW Firewall | Beginner | Start Lab |
| 2 | Auditing User Logins | Beginner | Start Lab |
| 3 | Secure Shared Memory on Tmpfs | Beginner | Start Lab |
| 4 | Understanding Sudoers Configuration | Beginner | Start Lab |
| 5 | Checking Listening Ports for Security Audit | Beginner | Start Lab |
| 6 | Hardening and Audit Mission | Intermediate | Start Challenge |
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