Part V: Learning Linux Security Techniques
Security fundamentals including permissions, SELinux, and network hardening.
Key Skills in This Part
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File permissions and ownership
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PAM authentication
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Password security
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Encryption and auditing
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System hardening
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SELinux modes, contexts, booleans
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Firewall configuration
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SSH hardening
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VPN basics
RHCSA Critical
Chapter 25 (SELinux) directly maps to RHCSA objectives. This is one of the most important chapters for certification.
Cross-reference with: