System Health Monitor

Automated Linux system monitoring with daily HTML reports at 4:30 PM.

Features

• System information (CPU, memory, disk, users, kernel, uptime, hostname)
• Process monitoring (top 5 CPU/memory processes, threshold alerts)
• Disk monitoring (filesystem usage, 80% alerts, largest files)
• Network monitoring (active connections, unusual ports)
• Log analysis (24-hour error scanning, critical alerts)
• HTML reports with color-coded status indicators
• Configurable thresholds via configuration file
• Automated daily execution via cron at 4:30 PM

Project Structure

/home/victoire/CascadeProjects/
├── README.md
├── monitor/
│   ├── system_monitor.sh
│   ├── system_monitor.conf
│   ├── setup_cron.sh
│   ├── generate_html_report.sh
│   └── reports/

Quick Start

Generate an HTML report:

/home/victoire/CascadeProjects/monitor/generate_html_report.sh

View reports:

ls -la /home/victoire/CascadeProjects/monitor/reports/

Run full monitoring:

/home/victoire/CascadeProjects/monitor/system_monitor.sh

Manage cron job:

crontab -l | grep system_monitor
/home/victoire/CascadeProjects/monitor/setup_cron.sh remove
/home/victoire/CascadeProjects/monitor/setup_cron.sh test

Configuration

Edit monitor/system_monitor.conf to customize:

• CPU_THRESHOLD=50 (CPU alert threshold %)
• MEMORY_THRESHOLD=80 (Memory alert threshold %)
• DISK_THRESHOLD=80 (Disk alert threshold %)
• LOG_RETENTION_DAYS=7 (Days to keep reports)
• REPORT_DIR (Where to save reports)

Automation

Cron schedule: Daily at 4:30 PM (16:30)

30 16 * * * /home/victoire/CascadeProjects/monitor/system_monitor.sh