Ubuntu Server Administration and Centralized Identity Management Training Course

The Linux Foundation

Introduction to Linux Architecture

• Contrasting Linux philosophy with Windows.
• Effectively navigating the Command Line Interface (CLI).
• File system hierarchy standards.

Installation & Configuration

• Step-by-step Ubuntu Server setup.
• Network configuration (Netplan).
• Fundamentals of User and Group management.
• File permissions and ownership (chmod, chown).

Package Management & Remote Security

Advanced Software Management

• Proficiency in APT (Advanced Package Tool).
• Managing repositories and resolving dependencies.
• System updates and patching strategies.

Secure Remote Administration

• SSH configuration and key-based authentication (passwordless access).
• Hardening the SSH daemon (basics of fail2ban).
• Remote connections from Windows clients.

Automation & Identity Management (New)

Scripting & Automation

• Introduction to Bash scripting.
• Automating backups and system health checks.
• Using Cron jobs for scheduled task management.

Centralized Identity with Samba (Active Directory)

• Concept: Grasping LDAP and Active Directory protocols within Linux.
• Implementation: Installing and configuring Samba as an Active Directory Domain Controller.
• Management: Creating and overseeing Users and Groups via RSAT (Remote Server Administration Tools) or CLI.
• Integration: Authenticating Linux clients against the Samba AD (Winbind/SSSD).

Web Services & Storage Integration

Web Server Administration

• Installing and configuring Apache/Nginx.
• Virtual Hosts configuration (hosting multiple sites).
• SSL/TLS fundamentals for secure web traffic.

NAS & Storage Management

• Understanding NFS and CIFS/Samba protocols.
• Mounting NAS shares for persistent storage.
• Automating mounts at boot (fstab configuration).

Troubleshooting & Real-World Scenarios

Advanced System Troubleshooting

• Resource monitoring (top, htop, free).
• Network diagnostics (ping, netstat, traceroute, tcpdump).
• Capstone Lab: Diagnosing a "broken" server environment and restoring service.