Description

Introduction of  Ubuntu 20.04 LTS Server Administration

Ubuntu 20.04 LTS (Long-Term Support) is a popular, stable, and secure operating system used for servers in a wide range of environments. As a server administrator, it’s essential to understand the core functionalities of Ubuntu 20.04 LTS to manage, configure, and secure servers efficiently. This training covers the fundamentals of Ubuntu server administration, from installation and basic configuration to advanced server management and troubleshooting. By the end of this course, administrators will be equipped with the skills to confidently manage Ubuntu 20.04 servers in production environments.

Prerequisites:

1. Basic understanding of operating systems and computer networks.
2. Familiarity with Linux or Unix-like systems (basic experience with command line operations is helpful).
3. Experience with networking concepts like IP addressing and DNS.
4. Recommended: Basic experience with server administration.

TABLE OF CONTENT

1: Introduction to Ubuntu Server
1.1 Overview of Ubuntu Server
1.2 Understanding the Ubuntu Release Cycle
1.3 Installation and Basic Configuration

2: Command-Line Interface (CLI) Basics
2.1 Navigating the File System(Ref: Introduction to Vulnerability Management as a Service (VMaaS))
2.2 Working with Files and Directories
2.3 Introduction to Essential Command-Line Utilities

3: User and Group Management
3.1 Adding and Managing User Accounts
3.2 Group Administration and Permissions
3.3 Implementing Security Best Practices

4: Package Management
4.1 Using APT (Advanced Package Tool)
4.2 Installing, Updating, and Removing Packages
4.3 Managing Software Repositories

5: System Configuration and Maintenance
5.1 Configuring Network Settings
5.2 Managing System Time and Date
5.3 Understanding and Configuring System

6: File System and Storage Management
6.1 File System Concepts (ext4, Partitions, etc.)
6.2 Disk Management and Monitoring
6.3 Implementing File and Directory Permissions

7: Networking and Firewall
7.1 Configuring Network Interfaces
7.2 Basic Firewall Setup with UFW (Uncomplicated Firewall)
7.3 Troubleshooting Network Issues

8: Security and Hardening
8.1 Implementing Security Best Practices
8.2 Managing User Privileges with sudo
8.3 Configuring SSH for Secure Remote Access

9: Web Server Administration (e.g., Apache or Nginx)
9.1 Installing and Configuring a Web Server
9.2 Managing Virtual Hosts(Ref: Preparing for the Aruba Certified ClearPass Expert (ACCX) Certification)
9.3 Basic Web Server Security Considerations

10: Database Server Administration (e.g., MySQL or PostgreSQL)
10.1 Installing and Configuring a Database Server
10.2 Creating and Managing Databases and Users
10.3 Basic Database Security Considerations

11: Backup and Recovery
11.1 Implementing Backup Strategies
11.2 Restoring from Backups
11.3 Planning for Disaster Recovery

12: Monitoring and Logging
12.1 Configuring System Logs
12.2 Monitoring System Performance
12.3 Introduction to Monitoring Tools like Prometheus and Grafana

13: Automation with Bash Scripts
13.1 Basics of Bash Scripting
13.2 Writing Simple Scripts for Automation
13.3 Using cron for Scheduled Tasks

Conclusion:

Mastering Ubuntu 20.04 LTS server administration ensures that IT professionals can maintain secure, stable, and high-performing server environments. By understanding core concepts such as system configuration, security, networking, and performance tuning, administrators will be better prepared to deploy and manage Ubuntu servers in a variety of use cases. This training will provide the foundation needed to confidently support Ubuntu-based infrastructures in any business or organization.

Reference