🔹 Red Hat Enterprise Linux (RHEL)

Beginner

• RH124 – System Administration I

Intermediate

• RH134 – System Administration II

Advanced

• RH294 – RHCE & Automation
• SELinux, Satellite Server, Advanced RHEL Hardening

🔹 Linux (General & Debian/Ubuntu)

Beginner

• NDG Linux Unhatched
• Linux Essentials (NDG, Debian)

Intermediate

• Debian/Ubuntu Server Administration
• LAMP Stack & Service Configuration

Advanced

• Linux Security (UFW, IPTables)
• Bash Scripting & Automation
• Identity & Directory Integration