✅ System Monitor & Alert Script

A simple Bash script to monitor CPU, GPU, RAM, and Disk usage every 5 minutes, log the data into a CSV file, and send desktop notifications if usage exceeds 70%.

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📋 Features:

• Monitors system metrics:
  • ✅ CPU usage
  • ✅ GPU usage (NVIDIA)
  • ✅ RAM usage
  • ✅ Root Disk usage
• Logs all data to a CSV file with timestamps
• Sends local desktop notifications (via notify-send) when usage exceeds 70%
• Can be run in a screen session for continuous monitoring

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📁 Output:

A CSV log file named:

system_usage_log.csv

With columns:

Timestamp, CPU_Usage(%), GPU_Usage(%), RAM_Usage(%), Disk_Usage(%), Alert

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⚙️ Requirements:

• mpstat (part of sysstat package)
• nvidia-smi (for GPU monitoring; available with NVIDIA drivers)
• bc (basic calculator utility)
• notify-send (part of libnotify-bin)

Install requirements:

sudo apt update
sudo apt install sysstat bc libnotify-bin

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🚀 How to Use:

1. Clone or download the script.
2. Make it executable:

chmod +x system_monitor_notify.sh

3. (Optional) Start a screen session so it runs in the background:

screen -S monitor

4. Run the script:

./system_monitor_notify.sh

5. Detach from screen (leaves it running in background):

Ctrl + A, then D

6. Reattach to screen when needed:

screen -r monitor

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✅ How Notifications Work:

• If CPU, GPU, RAM, or Disk usage goes above 70%,
  you’ll get a pop-up notification on your system with the metric and current usage.

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💾 Log Example (CSV):

2025-03-24 12:00:00,45.20,12,60.10,55,None
2025-03-24 12:05:00,75.80,80,72.30,68,GPU usage above 70%

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