/etc/prometheus/prometheus.yml

• Linux:
  • /etc/prometheus/prometheus.yml
  • /etc/default/prometheus
• Homebrew:
  • ~/brew/etc/prometheus.yml
  • ~/brew/etc/prometheus.args

• rule_files
• ec2_sd_configs

static configs:
targets:

Default macOS

~/brew/etc/prometheus.yml

global:
  scrape_interval: 15s

scrape_configs:
  - job_name: "prometheus"
    static_configs:
    - targets: ["localhost:9090"]

Default Ubuntu 20.04 LTS file

cat /etc/prometheus/prometheus.yml
# Sample config for Prometheus. 

global:
  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s). 

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
      monitor: 'example' 

# Alertmanager configuration
alerting:
  alertmanagers:
  - static_configs:
    - targets: ['localhost:9093']

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  # - "first_rules.yml"
  # - "second_rules.yml" 

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'prometheus'

   # Override the globald efault and scrape targets from this job every 5 seconds.
   scrape_interval: 5s
   scrape_timeout: 5s

   # metrics_path defaults to '/metrics'
   # scheme defaults to 'http'.

   static_configs:
     - targets: ['localhost:9090']

 - job_name: node
   # If prometheus-node-exporter is installed, grab stats about the local
   # machine by default.
   static_configs:
     - targets: ['localhost:9100']

cAdvisor

 - job_name: 'cadvisor'
   scrape_interval: 5s
   static_configs:
     - targets: ['cadvisor:8080']

Related terms

• systemctl restart prometheus
• systemctl status prometheus
• brew services restart prometheus

• level=error ts=2021-04-29T08:08:41.107Z caller=main.go:347 msg="Error loading config (--config.file=/etc/prometheus/prometheus.yml)" err="parsing YAML file /etc/prometheus/prometheus.yml: yaml: line 30: did not find expected key"
• /etc/prometheus/alertmanager.yml
• /etc/default/prometheus
• Prometheus installation

See also

• prometheus.yml, /etc/default/prometheus, prometheus.args, job_name:, targets:, Prometheus service discovery
• Prometheus: Prometheus installation, 9090, storage, Prometheus exporters: Node exporter 9100, Blackbox exporter, Prometheus alertmanager (changelog), Prometheus versions, Prometheus Node exporter releases, promtool, amtool, tsdb, /etc/default/prometheus, /etc/prometheus/prometheus.yml, journalctl -u prometheus, /etc/default/prometheus-node-exporter, PromQL, alert:, Prometheus Operator, Thanos, VictoriaMetrics, PushGateway, Prometheus API, values.yml, Amazon Managed Service for Prometheus