Bash Script Generator

A web-based tool for generating comprehensive Linux server setup scripts. This FastAPI application allows administrators to configure and download a single bash script that automates common server baseline setup tasks.

Features

System Setup

Initial system update & upgrade
Automatic security updates (unattended-upgrades)
Timezone configuration
Hostname setup
NTP time synchronization
Swap file configuration

Security & Hardening

SSH hardening (disable root login, strong ciphers, timeouts)
Fail2ban intrusion prevention
Pre-login and post-login banners
SSH 2FA (Google Authenticator installation)

Docker & Services

Docker + Docker Compose installation
Docker admin user creation with restricted permissions
Custom Docker data directory with ACL permissions
UFW firewall configuration
Network bonding/bridging (netplan)

User Management

Admin user creation with sudo access
SSH public key authentication setup

Monitoring & Utilities

Monitoring tools (htop, iotop, net-tools, etc.)
Build tools (build-essential, git, etc.)

Quick Start

Using Docker (Recommended)

cd bashgen
docker-compose up -d

Access the web interface at http://localhost:8083

Manual Setup

cd bashgen
python -m venv .venv
source .venv/bin/activate  # On Windows: .venv\Scripts\activate
pip install -r requirements.txt
uvicorn app:app --host 0.0.0.0 --port 8080

Usage

Open the web interface
Select the features you want to include
Configure parameters (hostname, timezone, ports, etc.)
Add system owner information
Paste SSH public keys (if creating admin user)
Download the generated .sh script
Run on your Ubuntu server: sudo bash setup-server.sh

Project Structure

bashgen/
├── app.py                 # FastAPI backend
├── requirements.txt       # Python dependencies
├── Dockerfile            # Docker image definition
├── docker-compose.yml    # Docker Compose configuration
├── templates/
│   ├── index.html        # Web form frontend
│   └── script.sh.j2      # Bash script Jinja2 template
└── README.md             # This file

Requirements

Python 3.11+
Docker & Docker Compose (for containerized deployment)
Ubuntu Server (for generated scripts)

License

[Add your license here]

Contributing

[Add contribution guidelines here]

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