Notify on low disk space

Hi. I’m looking at getting notified when disk space on certain filesystems go full. (on endpoints and the NMS server itself).

Would I do this using some Alert rule? or using one of the Nagios plugins?

If there’s another forum topic or help on this please advise. I’ve searched quickly but couldn’t find anything on it. Thanks.

https://docs.librenms.org/#Alerting/Rules/#examples

Thank you laf. I tested this and worked perfectly.