diskspace.free

Get alerts by email when you're low on disk space.


Usage

Pipe your df / output to diskspace.free to monitor disk usage:

df / | curl -d@- "https://diskspace.free/?name=my-server&email=you@example.com"

Parameters

name - A unique identifier for this host/disk

email - Where to send alerts (semicolon-separated for multiple: a@example.com;b@example.com)

threshold (optional) - Semicolon-separated threshold rules

Threshold Format

PERCENT:CADENCE;PERCENT:CADENCE;...

Default if not otherwise specified:

Cron Example

Add to your crontab to check twice per hour (staggered to avoid flooding at :00):








FAQ

What is diskspace.free?

We provide a single-purpose service to monitor disk usage and send email alerts when thresholds are crossed. Pipe df output to us, we'll email you when thresholds are crossed.

How does alerting work?

We parse your df output, compare against your thresholds, and email you based on the cadence you specified. We track alert history to avoid spamming you.

How do I opt out?

Click the opt-out link in any email. You'll receive one final confirmation, then never hear from us again.

Is this free?

Yes.


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