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+# Node exporter
+
+>**Note:**
+Available since Omnibus GitLab 8.16. For installations from source you'll
+have to install and configure it yourself.
+
+The [node exporter] allows you to measure various machine resources such as
+memory, disk and CPU utilization.
+
+To enable the node exporter:
+
+1. [Enable Prometheus](index.md#configuring-prometheus)
+1. Edit `/etc/gitlab/gitlab.rb`
+1. Find and uncomment the following line, making sure it's set to `true`:
+
+ ```ruby
+ node_exporter['enable'] = true
+ ```
+
+1. Save the file and [reconfigure GitLab][reconfigure] for the changes to
+ take effect
+
+Prometheus it will now automatically begin collecting performance data from
+the node exporter. You can visit `<your_domain_name>:9100/metrics` for a real
+time representation of the metrics that are collected. Refresh the page and
+you will see the data change.
+
+[← Back to the main Prometheus page](index.md)
+
+[node exporter]: https://github.com/prometheus/node_exporter
+[prometheus]: https://prometheus.io
+[reconfigure]: ../../restart_gitlab.md#omnibus-gitlab-reconfigure