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Understanding Red Hat OpenShift’s Application Monitoring Operator

Understanding Red Hat OpenShift’s Application Monitoring Operator

Monitoring systems are usually composed of three layers: a database layer that hosts metrics data, a layer to display the stored metric data graphically in dashboards, and an alerting layer to send out notifications via methods such as email, on-call notification systems, and chat platforms. This article presents an overview of the components used in Red Hat OpenShift‘s Application Monitoring Operator, how to install them using the Operator, and an example of the Operator in action.

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Visualizing Smog Sensor Data with the help of Vert.x, Prometheus, and Grafana

Visualizing Smog Sensor Data with the help of Vert.x, Prometheus, and Grafana

Air pollution is a major problem in many cities around the globe. Some people in Stuttgart, Germany have developed cheap smog sensors that people can install on their balconies and other convenient places and then report data to a central site. I have written about that on OpenSource.com. The data is sent to a central server, from where it is visualized on a map. At the time of writing the above article, there was no way of seeing how the value has changed over time. Meanwhile, there is a visualization of the last 24 hours available on the map.

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