Prometheus: Difference between revisions
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Revision as of 02:37, 18 February 2022
A system monitoring tool.
Metrics are polled/persisted over REST,
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
Quickstart
- 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
xdg-open localhost:9090 # prometheus-ui promtool check rules /path/to/example.rules.yml # syntax-check rules
Notes
Setup
prometheus install prometheus exporters Configuration
prometheus configuration prometheus rules Usage
prometheus web ui prometheus http api prometheus promql Dashboards
prometheus grafana