Prometheus - OS PromQl Expression

This page is about the calculation of OS metrics with promql

This metrics are collected and send to the server on linux by the node_exporter.

The average amount of CPU time spent in system mode, per second, over the last minute (in seconds) - Url form -

rate(node_cpu_seconds_total{mode="system"}[1m])

The filesystem space available to non-root users (in bytes) - Url form

node_filesystem_avail_bytes

• The average network traffic received, per second, over the last minute (in bytes) - Url form

rate(node_network_receive_bytes_total[1m])