System Backup Tool

A comprehensive system backup tool for Linux systems that handles configuration and data backups, verification, and restoration.

Features

Backup Management

• Configuration backup
• Data backup
• Automated backup rotation
• Backup verification
• Restore capabilities
• Backup cleanup

Backup Types

• Configuration Backup

  • System configuration files
  • Service configurations
  • Application settings
  • Custom configurations

• Data Backup

  • Web application data
  • Database files
  • Log files
  • Custom data directories

Backup Operations

• Backup creation
• Backup verification
• Backup restoration
• Backup cleanup
• Retention management

Installation

1. Download the script from the Lambda Softworks Customer Portal:
   • Log in to your Lambda Softworks Customer Portal account
   • Navigate to the Files section
   • Download the system-backup.sh script

Usage

Basic Commands

1. Backup system configuration:

sudo ./system-backup.sh --backup-config

2. Backup system data:

sudo ./system-backup.sh --backup-data

3. Verify backup:

sudo ./system-backup.sh --verify /var/backups/lambdasoftworks/config/config_20240101.tar.gz

4. Restore backup:

sudo ./system-backup.sh --restore /var/backups/lambdasoftworks/data/data_20240101.tar.gz

5. Clean up old backups:

sudo ./system-backup.sh --cleanup

Command-Line Options

• --backup-config: Backup system configuration
• --backup-data: Backup system data
• --verify FILE: Verify backup file integrity
• --restore FILE [PATH]: Restore backup to specified path (default: /)
• --cleanup: Clean up old backups
• --config FILE: Use custom configuration file
• --help: Show help message

Configuration

Configuration File

Location: /etc/lambdasoftworks/system-backup.yml

Example configuration:

# Backup settings
BACKUP_RETENTION_DAYS: 30
BACKUP_PATHS:
  config:
    - /etc/lambdasoftworks/
    - /etc/nginx/
    - /etc/apache2/
    - /etc/mysql/
    - /etc/postgresql/
  data:
    - /var/www/
    - /var/lib/mysql/
    - /var/lib/postgresql/
    - /var/log/lambdasoftworks/

# Backup verification
VERIFY_BACKUPS: true
VERIFY_TIMEOUT: 300  # seconds

# Backup compression
COMPRESSION_LEVEL: 9

Logs and Data Storage

Log Files

• Main log: /var/log/lambdasoftworks/system-backup.log
• Backup logs: /var/log/lambdasoftworks/backup.log
• Verification logs: /var/log/lambdasoftworks/verify.log

Backup Locations

• Configuration backups: /var/backups/lambdasoftworks/config/
• Data backups: /var/backups/lambdasoftworks/data/

Temporary Files

• Temporary directory: /tmp/lambdasoftworks/

Examples

Configuration Backup

# Create configuration backup
sudo ./system-backup.sh --backup-config

# Verify the backup
sudo ./system-backup.sh --verify /var/backups/lambdasoftworks/config/config_20240101.tar.gz

# List recent backups
ls -l /var/backups/lambdasoftworks/config/

Data Backup

# Create data backup
sudo ./system-backup.sh --backup-data

# Verify the backup
sudo ./system-backup.sh --verify /var/backups/lambdasoftworks/data/data_20240101.tar.gz

# List recent backups
ls -l /var/backups/lambdasoftworks/data/

Backup Restoration

# Restore configuration backup
sudo ./system-backup.sh --restore /var/backups/lambdasoftworks/config/config_20240101.tar.gz

# Restore data backup to specific path
sudo ./system-backup.sh --restore /var/backups/lambdasoftworks/data/data_20240101.tar.gz /var/www/

Troubleshooting

Common Issues

1. Permission Errors

   • Ensure the script is run with sudo
   • Check directory permissions
   • Verify user has necessary privileges

2. Backup Issues

   • Verify backup paths
   • Check backup configuration
   • Review backup logs

3. Report Generation Issues

   • Check log directory permissions
   • Verify HTML template access
   • Check disk space

Debug Mode

To enable debug logging:

sudo DEBUG=1 ./system-backup.sh [OPTIONS]