Ubuntu 24.04: How to install Grafana Alloy

apt install gpg

mkdir -p /etc/apt/keyrings/
wget -q -O - https://apt.grafana.com/gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/grafana.gpg > /dev/null
echo "deb [signed-by=/etc/apt/keyrings/grafana.gpg] https://apt.grafana.com stable main" | sudo tee /etc/apt/sources.list.d/grafana.list

apt update

apt install alloy -y

systemctl enable alloy
systemctl start alloy

vim /etc/alloy/config.alloy

logging {
  level = "warn"
}

prometheus.exporter.unix "default" {
  include_exporter_metrics = true
  disable_collectors       = ["mdadm"]
}

prometheus.remote_write "grafanacloud" {
  endpoint {
    url = "https://$your_uri.grafana.net/api/prom/push"

    basic_auth {
      username = "$user"
      password = "$passwd"
    }
  }
}

prometheus.scrape "default" {
  targets = concat(
    prometheus.exporter.unix.default.targets,
    [{
      // Self-collect metrics
      job         = "node",
      __address__ = "127.0.0.1:12345",
    }],
  )

  forward_to = [prometheus.remote_write.grafanacloud.receiver]
}

systemctl restart alloy