Linux Security & Infrastructure courses
Harden and defend production Linux infrastructure
Learn Linux hardening, SSH security, PAM, sudo, file permissions, auditd, firewall rules, logging, backup evidence, and production system security.
Featured program
9 modules · 6–8 weeks
Linux Security Hardening for Production Servers
Master SSH security, user access control, sudo, PAM, permissions, firewall rules, auditd, log review, backup evidence, and CIS-style hardening practices.
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What you will learn
- Harden SSH, sudo, PAM, and file permissions
- Configure logging, auditd, and firewall rules
- Collect audit evidence aligned with CIS benchmarks
- Operate securely in DevOps and production environments
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