DevOps

Metrics with OpenShift

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OpenShift uses Hawkular Metrics as a metrics engine which stores the data persistently in a Cassandra database. When this is configured, CPU, memory and network-based metrics are viewable from the OpenShift Container Platform web console and are available for use by horizontal pod autoscalers. Chillax. To set this up it take just one command line switch. […]

DevOps

Secrets with OpenShift

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Listen, do you want to hear a secret? Actually, so far its been pretty easy because everything has been in the clear. Welcome to Kubernetes secrets with OpenShift. Mmmm, Cookies. This lab is another in the OpenShift MiniLabs series.

DevOps

Configmaps with OpenShift

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In the Pipelines with OpenShift example we promoted the application from Development to Testing. But what about those pesky environment variables? What if they must take on different values depending on the deployed environment? Welcome to the kubernetes’s configmap feature, brought to you by Selby. This lab is another in the OpenShift MiniLabs series.

Behaviour

The Weight Watcher – a Goal Attainment Scale

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Overview This blog is about where technology meets the behavioural sciences, so here we have a post describing how technology can be an adjunct to encourage adherence to a weight management intervention.  In this example we show how to monitor progress of the 5:2 Fast Diet using the Goal Attainment Scale method together with actual weight […]