🚀 Installation Guide

Get SEB Ultra Stack up and running in minutes with our automated installation process.

📋 Prerequisites

System Requirements

Minimum Requirements

OS: Ubuntu 20.04+ LTS (fresh installation recommended)
RAM: 2GB (4GB recommended)
Storage: 20GB SSD
CPU: 2 vCPU cores
Network: Stable internet connection

Recommended for Production

OS: Ubuntu 22.04+ LTS
RAM: 8GB+
Storage: 50GB+ NVMe SSD
CPU: 4+ vCPU cores
Network: 1Gbps connection

Access Requirements

Root or sudo access to your server
SSH access to your server
Domain name pointed to your server IP (optional, can be configured later)

⚡ One-Click Installation

Quick Install

curl -sSL https://sebhosting.com/install.sh | bash

That’s it! The installation script will automatically:

Update your system packages
Install and configure all stack components
Set up security hardening
Configure optimal performance settings
Create initial WordPress installation

Installation with Custom Options

# Download installer first
wget https://sebhosting.com/install.sh

# Make executable
chmod +x install.sh

# Run with options
sudo ./install.sh --domain=example.com --email=admin@example.com

🔧 Step-by-Step Installation

Step 1: Server Preparation

# Update system packages
sudo apt update && sudo apt upgrade -y

# Install required dependencies
sudo apt install -y curl wget git unzip software-properties-common

Step 2: Download and Run Installer

# Download the installer
curl -sSL https://sebhosting.com/install.sh -o install.sh

# Review the script (recommended)
less install.sh

# Make executable and run
chmod +x install.sh
sudo ./install.sh

Step 3: Follow Interactive Setup

The installer will guide you through:

Domain Configuration
- Primary domain name
- SSL certificate setup
- Cloudflare integration (optional)
Database Setup
- MySQL root password
- WordPress database credentials
- Database optimization settings
WordPress Configuration
- Admin username and password
- Site title and description
- Multisite network setup
Security Settings
- Firewall rules
- Fail2Ban configuration
- SSH key setup (recommended)

📊 Installation Process

What Gets Installed

Web Server Stack

Nginx 1.24+ - High-performance web server
PHP 8.4 - Latest PHP with FPM and OpCache
MariaDB 10.11+ - Optimized database server
Redis 7+ - In-memory caching system

WordPress Ecosystem

WordPress 6.6+ - Latest WordPress core
WP-CLI - Command-line WordPress management
Essential plugins - Caching, security, optimization

Security Components

UFW Firewall - Uncomplicated Firewall
Fail2Ban - Intrusion prevention system
SSL/TLS Certificates - Let’s Encrypt integration
Security headers - HSTS, CSP, and more

Management Tools

PHPMyAdmin - Database management interface
Composer - PHP dependency manager
Git - Version control system
SEB Stack CLI - Custom management commands

Installation Timeline

✅ Post-Installation Verification

Test Web Server

# Check Nginx status
sudo systemctl status nginx

# Test configuration
sudo nginx -t

# Check if site loads
curl -I http://your-domain.com

Test Database

# Check MariaDB status
sudo systemctl status mariadb

# Test connection
mysql -u root -p -e "SHOW DATABASES;"

Test PHP

# Check PHP-FPM status
sudo systemctl status php8.4-fpm

# Test PHP functionality
php -v
php -m | grep -E "(redis|opcache|mysql)"

Test Cache

# Check Redis status
sudo systemctl status redis-server

# Test Redis connection
redis-cli ping

🌐 Domain Configuration

Add Your First Domain

# Add domain to stack
sudo seb-stack add-domain example.com

# Enable SSL
sudo seb-stack enable-ssl example.com

# Verify SSL certificate
sudo seb-stack check-ssl example.com

Configure DNS

Point your domain’s A record to your server IP:

Type: A
Name: @
Value: YOUR_SERVER_IP
TTL: 300

For www subdomain:

Type: CNAME
Name: www
Value: example.com
TTL: 300

🔧 Custom Installation Options

Environment Variables

# Set before installation
export SEB_DOMAIN="example.com"
export SEB_EMAIL="admin@example.com"
export SEB_DB_PASSWORD="secure_password"
export SEB_WP_ADMIN="admin_user"
export SEB_WP_PASSWORD="secure_wp_password"

# Run installer
curl -sSL https://sebhosting.com/install.sh | bash

Configuration File

Create /tmp/seb-config.conf:

[general]
domain=example.com
email=admin@example.com

[database]
root_password=secure_db_password
wp_db_name=wordpress
wp_db_user=wp_user
wp_db_password=wp_password

[wordpress]
admin_user=admin
admin_password=secure_wp_password
site_title=My Awesome Site

[security]
enable_fail2ban=true
enable_firewall=true
ssh_port=22

Run with config:

sudo ./install.sh --config=/tmp/seb-config.conf

🚨 Troubleshooting Installation

Common Issues

Installation Fails

# Check installer logs
tail -f /var/log/seb-stack/install.log

# Re-run specific components
sudo seb-stack install --component=nginx
sudo seb-stack install --component=php

Permission Errors

# Fix web directory permissions
sudo chown -R www-data:www-data /var/www/
sudo find /var/www/ -type d -exec chmod 755 {} \;
sudo find /var/www/ -type f -exec chmod 644 {} \;

Database Connection Issues

# Reset database passwords
sudo seb-stack reset-db-password

# Test database connection
mysql -u wp_user -p wordpress -e "SELECT 1;"

SSL Certificate Problems

# Force SSL certificate renewal
sudo certbot renew --force-renewal

# Check certificate status
sudo certbot certificates

Getting Help

If you encounter issues:

Check logs: sudo seb-stack logs
Run diagnostics: sudo seb-stack diagnose
Contact support: support@sebhosting.com
Community help: Discord

🎯 Next Steps

After successful installation:

Configure your stack - Customize settings
Set up domains - Add additional domains
Optimize performance - Fine-tune for speed
Harden security - Additional security measures
Set up backups - Protect your data

🎉 Congratulations! Your SEB Ultra Stack is now ready. Visit your domain to see your new WordPress site!