
Linux Server Security Audit
Linux Server Security Audit
Audit Debian and Ubuntu servers using practical security checks based on real-world system administration experience.
Unlike automated hardening scripts, this skill focuses on understanding the current security posture before making changes.
What the audit checks
SSH configuration
Firewall status
Open network ports
Running services
User accounts and sudo configuration
System updates
unattended-upgrades
AppArmor
ClamAV (if installed)
File permissions
Common Linux security best practices
Output
The skill generates:
Executive summary
Risk score
Security findings
Severity levels
Recommended actions
Hardening guidance
Commands for manual remediation
Safe by design
No destructive changes are performed by default.
The skill is audit-first and generates recommendations instead of automatically modifying the system.
Ideal for
VPS
Root Servers
Home Labs
Small Business Infrastructure
Debian
Ubuntu
Self-hosted environments


