Prometheus

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Revision as of 01:40, 18 February 2022 by Will (talk | contribs) (→‎Notes)

A system monitoring tool

Documentation

home https://prometheus.io/

Tutorials

FreeBSD prometheus/grafana https://blog.andreev.it/?p=5289

Locations

http://${IP_ADDR}:9090 web-ui
http://${IP_ADDR}:9090/targets web-gui (health of queried metrics)
${PREFIX}/etc/prometheus.yml main configuration

Ports

9090 default web-ui

Overview

  • prometheus polls HTTP endpoints for collected metrics
  • these endpoints are called exporters, and they are generated/exposed using clients
  • you can configure rules to persist data, or emit alerts when a metric fails

Notes

Setup

prometheus install
prometheus exporters
prometheus configuration

Usage

prometheus web ui
prometheus http api
prometheus promql

Dashboards

prometheus grafana