Install Node Exporter
Last updated
Was this helpful?
Last updated
Was this helpful?
As your Prometheus is only capable of collecting metrics, we want to extend its capabilities by adding Node Exporter, a tool that collects information about the system including and exposes them for scraping.
Download the latest version of Node Exporter:
Unpack the downloaded archive. This will create a directory node_exporter-1.2.2.linux-amd64, containing the executable, a readme and license file:
Copy the binary file into the directory /usr/local/bin and set the ownership to the user you have created in step previously:
Remove the leftover files of Node Exporter, as they are not needed any longer:
To run Node Exporter automatically on each boot, a Systemd service file is required. Create the following file by opening it in Nano:
Copy the following information in the service file, save it and exit Nano:
Reload Systemd to use the newly defined service:
Run Node Exporter by typing the following command:
Verify that the software has been started successfully:
You will see an output like this, showing you the status active (running) as well as the main PID of the application:
If everything is working, enable Node Exporter to be started on each boot of the server:
Collectors are used to gather information about the system. By default a set of collectors is activated. You can see the details about the set in the . If you want to use a specific set of collectors, you can define them in the ExecStart section of the service. Collectors are enabled by providing a --collector.<name> flag. Collectors that are enabled by default can be disabled by providing a --no-collector.<name> flag.