Prometheus - toge510/homelab GitHub Wiki

Config

Prometheus is configured via configuration file.

• Prometheus configuration

TLS

Prometheus supports basic authentication and TLS.

Prometheus

• HTTPS AND AUTHENTICATION
• SECURING PROMETHEUS API AND UI ENDPOINTS USING TLS ENCRYPTION
• TLS endpoint

Docker

• Monitoring a Linux host with Prometheus, Node Exporter, and Docker Compose
• awesome compose: prometheus-grafana

Metrics

• <metric_name>{<label="value">} <metric_value>
• node_cpu_seconds_total{cpu="0",mode="idle"} 258227
• https://prometheus.io/docs/practices/naming/#metric-and-label-naming
• https://prometheus.io/docs/concepts/metric_types/

docker engine metrics & docker container metrics

• Collect Docker metrics with Prometheus
• MONITORING DOCKER CONTAINER METRICS USING CADVISOR

PromQL

• Querying basics
• https://github.com/google/re2/wiki/Syntax