What you always wanted to know about your etcd usage

In most Kubernetes installations, a well-maintained etcd is one of the key conditions for having a peaceful administrator life. Most Kubernetes distributions imply limitations on etcd and its size. For Openshift there’s a quota limit of 8GB. Typically that limitation should not hit you unless you run really large clusters and or utilize the cluster […]

Compliance is NOT Security

The Problem with Security and Compliance Mixture When talking to customers or colleagues, I often see two distinct topics being conflated: Compliance and (IT-) Security. Some customers have requirements they say MUST be fulfilled. When asked what their goal with this requirement is, they cannot elaborate the intention. They often fall back into saying that […]

Forensic container checkpointing in OpenShift

Photo by Daniel van den Berg on Unsplash On a warm summer day, I visited the Kubernetes Community Days Munich and enjoyed Adrian Reber’s talk about “Forensic container checkpointing and analysis”. Now I want to try that with OpenShift 4.13! This blog post will mainly cover how to enable and use checkpointing on OpenShift 4.13. […]

Automatically update containers with podman-auto-update

Photo by Timelab on Unsplash In this tutorial I will show you how to configure automatic updates for containers in rootless Podman environments and how systemd manages these containers as services. The tutorial is divided into the following sections: If you are not interested in the possible use cases and would rather start right away, […]

close

Subscribe to our newsletter.

Please select all the ways you would like to hear from Open Sourcerers:

You can unsubscribe at any time by clicking the link in the footer of our emails. For information about our privacy practices, please visit our website.

We use Mailchimp as our newsletter platform. By clicking below to subscribe, you acknowledge that your information will be transferred to Mailchimp for processing. Learn more about Mailchimp's privacy practices here.