42_born2beroot

The goal of this project is to familiarize with basic system administration skills. It entails the creation of a virtual machine using VirtualBox and set up an operating system with a set of specific security and configuration guidelines.

Mandatory Part

Virtual Machine Setup:

• Use either the latest stable version of Debian or Rocky Linux. Debian is recommended for beginners.
  
• Install a minimum of services. A graphical interface is not allowed.

Server Configuration:

• Create at least 2 encrypted partitions using LVM.
  
• Set up a SSH service running on port 4242. Root login via SSH should be disabled.
  
  • Implement a strong password policy:
    
    • Passwords must expire every 30 days.
      
    • Minimum of 10 characters with at least one uppercase letter, one lowercase letter, and a number.
      
    • No more than 3 consecutive identical characters.
      
  • Configure sudo with the following rules:
    
    • Limit to 3 attempts for authentication.
      
    • Display a custom error message on incorrect password.
      
    • Archive each action using sudo.
      

Monitoring Script:

• Develop a monitoring.sh script in bash.
• Display system information every 10 minutes on all terminals using the wall command.
  • Information to display includes:
    • OS architecture and kernel version.
    • CPU and memory usage.
    • Disk usage.
    • Active connections.
    • IPv4 and MAC addresses.

Bonus Part

To earn bonus points, you can set up additional services or improve your system configuration:

• Configuring a functional WordPress website with Lighttpd, MariaDB, and PHP.
• Setting up any other useful service of your choice (excluding NGINX/Apache2) I included an FTP service.