Node-exporter

Node-exporter is a tool that exposes metrics regarding the Linux kernel server. These metrics are about CPU utilization and memory processes, and can be imported into Prometheus in a time series fashion so that they can be represented graphically.

Installing Node-exporter

Installing Node-exporter is very easy, as we can use its Docker image directly, which is available in the Docker.io referencing it on the OpenShift command:

1. To install Node-exporter, issue the following commands:

 ./oc new-app prom/node-exporter
--> Found Docker image b3e7f67 (7 weeks old) from Docker Hub for "prom/node-exporter"

An image stream tag will be created called node-exporter:latest, which will track this image. This...