System Maintenance Tool

A comprehensive system maintenance tool for Linux systems that automates routine maintenance tasks and system health monitoring.

Features

Automated Maintenance Tasks

• Daily Tasks

  • Package list updates
  • Temporary file cleanup
  • Log rotation
  • Disk space checks
  • Service status monitoring

• Weekly Tasks

  • Package cache cleanup
  • Journal log cleanup
  • System updates
  • Weekly report generation

• Monthly Tasks

  • System upgrades
  • Monthly report generation
  • Comprehensive system health check

System Health Monitoring

• CPU usage monitoring
• Memory usage tracking
• Disk space monitoring
• Service status checks
• Disk I/O monitoring
• System resource alerts

Reporting

• HTML-formatted reports
• System information
• Resource usage statistics
• Service status overview
• Recent log entries
• Customizable report templates

Installation

Prerequisites

• Bash shell
• Root or sudo privileges
• Basic system utilities (tar, find, awk, etc.)
• Optional: yq for YAML processing

Installation Steps

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-maintenance.sh script

2. Make the script executable:

chmod +x system-maintenance.sh

3. Install dependencies:

# For Debian/Ubuntu
sudo apt-get update
sudo apt-get install -y bc sysstat

# For RHEL/CentOS
sudo yum install -y bc sysstat

4. Create configuration file (optional):

sudo mkdir -p /etc/lambdasoftworks
sudo cp system-maintenance.yml /etc/lambdasoftworks/

Usage

Basic Commands

1. Run daily maintenance:

sudo ./system-maintenance.sh --daily

2. Run weekly maintenance:

sudo ./system-maintenance.sh --weekly

3. Run monthly maintenance:

sudo ./system-maintenance.sh --monthly

4. Check system health:

sudo ./system-maintenance.sh --check-health

Command-Line Options

• --daily: Run daily maintenance tasks
• --weekly: Run weekly maintenance tasks
• --monthly: Run monthly maintenance tasks
• --check-health: Check system health
• --config FILE: Use custom configuration file
• --help: Show help message

Configuration

Configuration File

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

Example configuration:

# Maintenance settings
DISK_SPACE_THRESHOLD: 85
LOG_RETENTION_DAYS: 7

# Service monitoring
MONITORED_SERVICES:
  - nginx
  - apache2
  - mysql
  - postgresql
  - sshd

# Alert thresholds
ALERT_THRESHOLDS:
  cpu: 80
  memory: 80
  disk_io: 80

Logs and Data Storage

Log Files

• Main log: /var/log/lambdasoftworks/system-maintenance.log
• Health check logs: /var/log/lambdasoftworks/health.log
• Reports: /var/log/lambdasoftworks/reports/

Temporary Files

• Temporary directory: /tmp/lambdasoftworks/

Examples

Daily Maintenance

# Run daily maintenance tasks
sudo ./system-maintenance.sh --daily

# Check the maintenance log
tail -f /var/log/lambdasoftworks/system-maintenance.log

Weekly Maintenance

# Run weekly maintenance tasks
sudo ./system-maintenance.sh --weekly

# View the weekly report
firefox /var/log/lambdasoftworks/reports/weekly_report_$(date +%Y%m%d).html

Monthly Maintenance

# Run monthly maintenance tasks
sudo ./system-maintenance.sh --monthly

# View the monthly report
firefox /var/log/lambdasoftworks/reports/monthly_report_$(date +%Y%m%d).html

Troubleshooting

Common Issues

1. Permission Errors

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

2. Service Monitoring Issues

   • Verify service names in configuration
   • Check systemd service status
   • Review service 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-maintenance.sh [OPTIONS]