Linux Server Hardening
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Lesson 2 of 13 · Fundamentals

Accounts, sudo and passwords (PAM, pwquality, faillock)

40 min Rocky Linux 9 Versions Debian 12, Ubuntu 24.04, Rocky 9

Objective

Control who can log in and who can become root: sudo correctly configured and logged, strong passwords, automatic blocking of brute force, unneeded accounts closed.

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