Building Your Own Linux Server from Scratch

Define your server's purpose, choose the right Linux distribution (e.g., Ubuntu Server, CentOS), and understand hardware requirements versus virtualization options (VPS, local VM).

• Lesson 1: Defining Your Server's Purpose (28 questions)
• Lesson 2: Hardware Selection and Sourcing (27 questions)
• Lesson 3: Choosing the Right Linux Distribution (28 questions)
• Lesson 4: Pre-Installation Checklist and Media Preparation (26 questions)

A step-by-step guide through the server installation process, including disk partitioning, network setup, and essential post-install tasks like system updates and creating a non-root user.

• Choosing and Preparing Your Linux Distribution (28 questions)
• Guided OS Installation (28 questions)
• First Boot and System Updates (29 questions)
• Initial Security Hardening and Remote Access (27 questions)

Install and configure a complete web server stack from scratch. Choose between LAMP (Apache) or LEMP (Nginx), set up a database server (MariaDB/MySQL), and configure PHP.

• Lesson 1: Installing and Configuring a Web Server (Nginx) (28 questions)
• Lesson 2: Hosting a Website with Server Blocks (26 questions)
• Lesson 3: Securing Your Web Server with Let's Encrypt (27 questions)

Go beyond basic password login. Implement secure key-based authentication, disable root access, change the default port, and configure SSH for secure, remote server management.

• Foundational SSH Security: Essential Configuration Changes (28 questions)
• Implementing Public Key Authentication (29 questions)
• Advanced Hardening and Access Control (27 questions)
• Proactive Defense with Fail2Ban (35 questions)

Apply practical network security by configuring a host-based firewall. Learn to use `ufw` or `firewalld` to control traffic, open only necessary ports for your web services, and block unwanted access.

• Introduction to Linux Firewalls: UFW and iptables (28 questions)
• Initial Firewall Setup: Establishing a Secure Baseline (32 questions)
• Configuring Rules for Common Services (32 questions)
• Firewall Management and Monitoring (20 questions)

Learn to manage your server's storage effectively. Add a new virtual disk, create partitions, format filesystems (ext4/XFS), and configure `/etc/fstab` for persistent mounting of data directories.

• Lesson 1: Disks, Partitions, and Filesystems (29 questions)
• Lesson 2: Practical Filesystem Management and Mounting (27 questions)
• Lesson 3: Advanced Storage with Logical Volume Manager (LVM) (32 questions)
• Lesson 4: Monitoring Usage and Filesystem Security (34 questions)

Keep an eye on your server's health and activity. Learn to read and interpret system logs using `journalctl`, monitor resource usage, and set up simple automated alerts for critical events.

• Foundations of Linux Logging: rsyslog and journald (23 questions)
• Real-Time Performance Monitoring and Resource Tracking (29 questions)
• Automated Log Analysis and Reporting (28 questions)
• Crafting Custom Alerts and Notifications (29 questions)

Protect your work by implementing an automated backup strategy. Use `cron` and `rsync` to schedule regular backups of your web files, databases, and critical configuration files to a remote location.

• Automating Repetitive Tasks with Cron (29 questions)
• Essential Backup Strategies and Tools (28 questions)
• Building a Fully Automated Backup System (28 questions)

Put all your skills together by deploying a real-world Content Management System (CMS) like WordPress or a static site generator onto the server you've built, configured, and secured.

• Lesson 1: Preparing the Server and Application Stack (37 questions)
• Lesson 2: Deploying the Application with a Process Manager (33 questions)
• Lesson 3: Securing the Deployment with a Firewall and HTTPS (28 questions)