Personal collection of useful bash scripts for system administration

A lightweight repository of practical bash scripts to simplify common system administration tasks, server management, and routine maintenance.

🚀 Quick Start

# Clone the repository
git clone https://github.com/immersedone/bashmin.git
cd bashmin

# Make scripts executable
chmod +x *.sh

# Run a script
./script-name.sh

📁 Script Categories

� Server Stack Management (/servers/)

• Apache2 - Web server installation and virtual host management
• Nginx - Web server, proxy configuration, and vhost setup
• PHP - Multi-version PHP CLI/FPM installer (8.3, 8.4, 8.5)
• FrankenPHP - Modern PHP application server
• MariaDB - Database server installation and configuration
• MongoDB - NoSQL database setup
• Redis - In-memory data store
• Elasticsearch - Search and analytics engine
• Varnish - HTTP acceleration and caching

🔒 Security & SSL (/security/)

• Let's Encrypt - SSL certificate automation
• Ubuntu Security - System hardening and security configurations

🛠️ Software Management (/software/)

• Package Installer - Automated software installation
• NVM - Node.js version manager setup
• Nodemon - Development tool installation
• Unattended Upgrades - Automatic security updates

� System Services (/services/)

• phpMyAdmin - Database administration interface

🏗️ Infrastructure (/structure/)

• Directory Structure - Standardized folder organization

🤖 AI Integration (/ai/)

• AI-powered Scripts - Intelligent automation tools

⚡ Aliases & Shortcuts (/aliases/)

• Custom Aliases - Command shortcuts and productivity tools
• Self-Update - Repository update mechanisms

🩹 Self-Healing (/self-healing/)

• Automated Recovery - Self-diagnosing and fixing scripts

🪟 WSL Support (/wsl/)

• Windows Subsystem for Linux - WSL-specific configurations

🔧 Helper Functions (/_helpers/)

• Common Functions - Shared utilities and functions
• CLI Tools - User interaction and menu systems
• System Tools - System detection and validation

💡 Usage Examples

Install PHP (Modern Versions)

# Interactive installation
./servers/php/install.sh

# Silent installation with specific version
./servers/php/install.sh --silent --version 8.4

# Dry run to see what would be installed
./servers/php/install.sh --dry-run --verbose

Set up Nginx with Virtual Host

# Install Nginx
./servers/nginx/install.sh

# Add a virtual host
./servers/nginx/add-vhost.sh example.com

Install Complete LEMP Stack

# Install Nginx, PHP, and MariaDB
./servers/nginx/install.sh
./servers/php/install.sh --silent
./servers/mariadb/install.sh

Software Installation

# Install common development tools
./software/install.sh

# Set up Node.js with NVM
./software/nvm/install.sh

🛡️ Features

• Dry Run Mode - Test scripts without making changes (--dry-run)
• Verbose Output - Detailed logging for troubleshooting (--verbose)
• Silent Mode - Automated installation without prompts (--silent)
• Smart Detection - Automatic OS version and compatibility checking
• Package Validation - Dynamic availability checking before installation
• Modular Design - Organized helper functions and reusable components
• Modern PHP Support - Multi-version PHP installation (8.3, 8.4, 8.5)
• Virtual Host Management - Automated web server configuration
• SSL Integration - Let's Encrypt certificate automation
• Error Handling - Comprehensive error checking and graceful failures

📋 Requirements

• Ubuntu 20.04+ (Primary target, other Debian-based distributions may work)
• Bash 4.0+ (Standard on modern systems)
• Root/sudo access for system operations
• Internet connection for package downloads and repository access
• Standard Linux tools (grep, awk, sed, find, apt)

🎯 Supported Systems

• Ubuntu 20.04 LTS (Focal)
• Ubuntu 22.04 LTS (Jammy)
• Ubuntu 24.04 LTS (Noble)
• Debian-based distributions (limited testing)

📝 Script Template

All scripts follow a consistent structure for reliability and maintainability:

#!/bin/bash
#
# Script: example-script.sh
# Description: Brief description of script functionality
# Usage: ./example-script.sh [OPTIONS]
#

set -euo pipefail

# Get script directory and source helpers
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BASE_DIR="$(dirname "$(dirname "$SCRIPT_DIR")")"

source "$BASE_DIR/_helpers/common.sh"
source "$BASE_DIR/_helpers/system.sh"
source "$BASE_DIR/_helpers/cli.sh"

# Global variables
VERBOSE=false
DRY_RUN=false
SILENT=false

# Main function
main() {
    # Script logic here
    show_script_header "Script Name"
    # Implementation...
}

# Run main function
main "$@"