The node exporter exposes the various hardware monitoring metrics of Linux, including temperature, fans, and voltages.
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Along with many others, the node exporter exposes network interface metrics.
The node exporter exposes filesystem metrics out of the box, so let's take a look.
Using PromQL you can combine metrics for analysis.
The node exporter and tools like iostat and sar use the same core data, but how do they relate to each other?
The node exporter's textfile collector is handy for monitoring machine-level cronjobs. How would you go about that?
Node exporter 0.16.0 is out, and with some big changes. Let's take a look.
When you've broken a metric out into labels a common need is to tell what proportion each label represents of the total. The group_left modifier of Prometheus is the key.
High CPU load is a common cause of issues. Let's look at how to dig into it with Prometheus and the Node exporter.
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.
