Grafana

Prometheus does an amazing job of collecting metrics but the dashboard and tracking is provides is rather ugly. Grafana on the other make for great monitoring, dashboards, alerts, etc.

Moreover it connects very easily with Prometheus; hence you leave prometheus collect the metrics and have Grafana read those metrics to provide monitoring.

Install

We can follow the official documentation to install grafana on Ubuntu 20.

sudo apt-get install -y apt-transport-https
sudo apt-get install -y software-properties-common wget
wget -q -O - https://packages.grafana.com/gpg.key | sudo apt-key add -

echo "deb https://packages.grafana.com/oss/deb stable main" | sudo tee -a /etc/apt/sources.list.d/grafana.list

sudo apt-get update
sudo apt-get install grafana

Run

Grafana actually create the service for you already so you can simply run it.

sudo systemctl start grafana-server
sudo systemctl enable grafana-server
sudo systemctl status grafana-server

You can then login on port 3000!

Click the cog icon to import Prometheus data and you’re good to go; create dashboards and alerts, etc.