cat > $HOME/prometheus.yml << EOF
scrape_interval: 15s # By default, scrape targets every 15 seconds.
# Attach these labels to any time series or alerts when communicating with
# external systems (federation, remote storage, Alertmanager).
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
- job_name: 'node_exporter'
- targets: ['localhost:9100']
- targets: ['localhost:8081']
- job_name: 'beacon node'
- targets: ['localhost:8080']
- targets: ['localhost:8082']
sudo mv $HOME/prometheus.yml /etc/prometheus/prometheus.yml