Category Archives: DevOps

Kubernetes: How to Make Your Node a Master

Posted on September 27, 2017 by Grischa Ekart

Under some circumstances Kubernetes is forgetting its master nodes (kops version < 1.8.0 and canal). If this happens, your masters will get scheduled full of pods. If this is the case the following command might help you: kubectl taint master1.compute.internal … Continue reading →

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Kubernetes: How to Delete all Taints from a Node

Posted on September 27, 2017 by Grischa Ekart

kubectl patch node node1.compute.internal -p ‘{“spec”:{“taints”:[]}}’

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List of Application Dependencies

Posted on December 3, 2015 by Grischa Ekart

Docker and containers in general are revolutionising the way we think about application development and operations. As a new packaging technology I think it perfectly defines the interface between an application and the host it will be running on. In order … Continue reading →

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Ops as a competitive differentiator?

Posted on June 10, 2013 by Grischa Ekart

Operational aspects of software systems are often treated as second class citizens. The point is that e.g. availability is expected to be a given. FRs (functional requirements) are a differentiator and NFRs (non-functional requirements) are not. So why should anyone … Continue reading →

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