Host Disk Space Monitoring and Alert
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Monitors host machine disk space and sends an alert if usage exceeds a threshold.
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About This Workflow
Overview
This workflow automatically monitors the disk space usage on the host machine where n8n is running. It executes a command to retrieve the percentage of used disk space and compares it against a predefined threshold. If the usage is above the threshold, it triggers an alert via Twilio SMS.
Key Features
- Scheduled execution via Cron.
- Command execution to retrieve disk usage percentage.
- Conditional alerting based on disk space utilization.
- SMS notification via Twilio for critical disk space alerts.
How To Use
- Import the workflow.
- Configure the Cron node to set the desired schedule for monitoring (e.g., daily at 9 AM and 4 PM).
- Adjust the
Execute Commandnode if your host system uses different commands for disk space monitoring (the current commanddf -k / | tail -1 | awk '{print $5}'is common for Linux). - Set the threshold in the
If Nodeto define when an alert should be triggered (currently set to 80%). - Configure your Twilio credentials in the
Twilionode. - Update the
toandfromphone numbers in theTwilionode. - Enable the workflow to start monitoring.
Apps Used
Workflow JSON
{
"id": "b8668227-4bc9-4d38-a709-67d776a0286f",
"name": "Host Disk Space Monitoring and Alert",
"nodes": 0,
"category": "Server Monitoring",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: b8668227-4bc9...
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