Bash Scripts Collection

A comprehensive collection of useful bash scripts for system administration, automation, and maintenance tasks.

Author

Frederic Bourouliou

Overview

This repository contains a collection of bash scripts designed to automate various system administration tasks, maintenance operations, and routine procedures. Each script is designed to be modular, configurable, and easy to use.

Scripts List

1. backup.sh

   • Automated backup script for directories and databases
   • Supports MySQL and PostgreSQL databases
   • Uses rsync/scp for remote backups

2. log_cleaner.sh

   • Automated log cleaning and archiving
   • Configurable retention periods
   • Compression of archived logs

3. web_deploy.sh

   • Web application deployment automation
   • Git integration
   • Dependencies management
   • Cache management

4. service_monitor.sh

   • Service health monitoring
   • Email/SMS alerts
   • Support for systemctl services
   • Port monitoring

5. dir_sync.sh

   • Directory synchronization using rsync
   • Support for local and remote directories
   • Configurable sync options

6. disk_alert.sh

   • Disk usage monitoring
   • Configurable threshold alerts
   • Email notifications

7. server_setup.sh

   • Initial server configuration
   • Package installation
   • Firewall setup
   • User management

8. backup_rotation.sh

   • Backup retention management
   • Configurable retention periods
   • Automated cleanup

9. media_processor.sh

   • Batch image/video processing
   • Support for ImageMagick and FFmpeg
   • Format conversion and optimization

10. security_audit.sh

    • Quick security checks
    • Configuration verification
    • Package security audit

11. system_cleanup.sh

    • System maintenance and cleanup
    • Package cache cleanup
    • Temporary files management

12. system_update.sh

    • System-wide package updates
    • Support for apt/yum/dnf/brew
    • Update reporting
    • Pre/Post update scripts
    • System snapshots

13. file_search.sh

    • Advanced file search capabilities
    • Content search support
    • Multiple export formats (CSV, JSON)
    • Configurable search patterns

14. network_test.sh

    • Network connectivity testing
    • Bandwidth measurement
    • Port scanning
    • DNS resolution testing
    • Detailed reporting

15. process_monitor.sh

    • Process monitoring and management
    • CPU and memory usage tracking
    • Automatic process restart
    • Historical metrics collection
    • Daily reporting

16. ssl_check.sh

    • SSL certificate monitoring
    • Expiration alerts
    • Chain validation
    • Security strength assessment
    • Detailed reporting

17. db_backup.sh

    • Database backup automation
    • Support for MySQL, PostgreSQL, MongoDB, SQLite
    • Compression and encryption
    • Remote storage sync
    • Backup verification

18. log_manager.sh

    • Centralized log management
    • Log rotation and archiving
    • Log analysis and reporting
    • Space management
    • Pattern-based analysis

19. cron_manager.sh

    • Centralized cron job management
    • Job validation and verification
    • Backup and restore
    • Template support
    • Status monitoring

20. service_manager.sh

    • Service lifecycle management
    • Health monitoring
    • Automatic restart
    • Resource usage tracking
    • Dependency management

Installation

1. Clone the repository:

git clone [repository-url]
cd bash_scripts

2. Make scripts executable:

chmod +x *.sh

3. Configure the scripts:

# Edit the config files in the config/ directory
# Set up your environment variables

Usage

Each script can be run independently. Basic usage:

./script_name.sh [options]

For detailed usage of each script, use the -h or --help option:

./script_name.sh --help

Configuration

• Configuration files are stored in the config/ directory
• Each script has its own configuration file (e.g., backup.conf, network_test.conf)
• Environment variables can be set in .env file
• Each script has its own configuration options

Directory Structure

bash_scripts/
├── README.md
├── *.sh
├── config/
│   ├── backup.conf
│   ├── network_test.conf
│   ├── process_monitor.conf
│   └── ...
├── logs/
├── backups/
├── reports/
├── status/
├── templates/
└── archives/

Requirements

• Bash shell (4.0 or later recommended)
• Core utilities (rsync, ssh, etc.)
• Specific requirements are listed in each script's header
• Additional tools as needed (e.g., mysqldump, pg_dump for database scripts)

License

This project is licensed under the MIT License - see the LICENSE file for details.