Linux Administration Field Manual

This section tracks my progress through the core pillars of Linux systems. Each “Day” represents a deep dive into specific subsystems.

The 30-Day Sprint

Week 1: System Fundamentals

• Day 1: Boot Process & Systemd
• Day 2: File Systems and LVM
• Day 3: User Management
• Day 4: Permissions & Ownership
• Day 5: PAM
• Day 6: Firewall
• ufw