Reliable Insights

A blog on monitoring, scale and operational Sanity

September 10, 2018

Using the textfile collector from a shell script

The node exporter's textfile collector is handy for monitoring machine-level cronjobs. How would you go about that?

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November 23, 2015

Monitoring directory sizes with the Textfile Collector

The node exporter includes many metrics out of the box, it can't possibly cover all use cases though. That's where the textfile collector comes in, allowing you to extend machine instrumentation for your use case.

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October 30, 2015

How to have labels for machine roles

It's a best practice with Prometheus that target labels should be constant over a target's entire lifetime. On the other hand it's useful to aggregate metrics across all the machines that are currently Apache servers. How can we do that?

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August 8, 2015

Quick Sensor Metrics with the Textfile Collector

Sometimes you need a machine metric that's not exported yet by the node exporter. The textfile collector can be used to quickly get such metrics graphed in Prometheus.

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