Ubuntu 24.04 Server Setup Script

Automated security hardening and setup script for fresh Ubuntu 24.04 servers.

Features

✅ System updates & cleanup
✅ Sudo user creation
✅ SSH hardening (disable root/password auth)
✅ Fail2Ban intrusion prevention
✅ Docker & Docker Compose
✅ Nginx Proxy Manager
✅ UFW firewall configuration

Quick Start

# Download and run
curl -O https://raw.githubusercontent.com/username/repo/main/setup.py
sudo python3 setup.py

Requirements

• Ubuntu 24.04 server
• Root access
• SSH public key
• Console access (important!)

What Gets Configured

Component	Details
SSH	Root login disabled, key-only auth
Firewall	Ports 22, 80, 81, 443 open
Fail2Ban	3 attempts, 1hr ban
Docker	Latest with compose plugin
NPM	Running on port 81

Post-Install

Nginx Proxy Manager:

• URL: http://your-ip:81
• Login: admin@example.com / changeme
• ⚠️ Change password immediately

Test SSH before closing root session:

ssh newuser@your-ip

Configuration Files

/opt/nginx-proxy-manager/     # NPM + Docker Compose
/etc/ssh/sshd_config           # SSH config (backed up)
/etc/fail2ban/jail.local       # Fail2Ban rules

Warning

⚠️ This script modifies SSH settings. Ensure you have:

• Console access to your server
• Valid SSH public key ready
• Tested new user login before closing root session

License

MIT