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Posts in 2023

  • Keeping Kubernetes Secure with Updated Go Versions

    Thursday, April 06, 2023 in Blog

    Author: Jordan Liggitt (Google) The problem Since v1.19 (released in 2020), the Kubernetes project provides 12-14 months of patch releases for each minor version. This enables users to qualify and adopt Kubernetes versions in an annual upgrade cycle …

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  • Kubernetes Validating Admission Policies: A Practical Example

    Thursday, March 30, 2023 in Blog

    Authors: Craig Box (ARMO), Ben Hirschberg (ARMO) Admission control is an important part of the Kubernetes control plane, with several internal features depending on the ability to approve or change an API object as it is submitted to the server. It …

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  • Kubernetes Removals and Major Changes In v1.27

    Friday, March 17, 2023 in Blog

    Author: Harshita Sao As Kubernetes develops and matures, features may be deprecated, removed, or replaced with better ones for the project's overall health. Based on the information available at this point in the v1.27 release process, which is still …

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  • Redirect to - What You Need to Know

    Friday, March 10, 2023 in Blog

    Authors: Bob Killen (Google), Davanum Srinivas (AWS), Chris Short (AWS), Frederico Muñoz (SAS Institute), Tim Bannister (The Scale Factory), Ricky Sadowski (AWS), Grace Nguyen (Expo), Mahamed Ali (Rackspace Technology), Mars Toktonaliev …

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  • Forensic container analysis

    Friday, March 10, 2023 in Blog

    Authors: Adrian Reber (Red Hat) In my previous article, Forensic container checkpointing in Kubernetes, I introduced checkpointing in Kubernetes and how it has to be setup and how it can be used. The name of the feature is Forensic container …

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  • Introducing KWOK: Kubernetes WithOut Kubelet

    Wednesday, March 01, 2023 in Blog

    Author: Shiming Zhang (DaoCloud), Wei Huang (Apple), Yibo Zhuang (Apple) Have you ever wondered how to set up a cluster of thousands of nodes just in seconds, how to simulate real nodes with a low resource footprint, and how to test your Kubernetes …

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  • Free Katacoda Kubernetes Tutorials Are Shutting Down

    Tuesday, February 14, 2023 in Blog

    Author: Natali Vlatko, SIG Docs Co-Chair for Kubernetes Katacoda, the popular learning platform from O’Reilly that has been helping people learn all about Java, Docker, Kubernetes, Python, Go, C++, and more, shut down for public use in June 2022. …

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  • Image Registry Will Be Frozen From the 3rd of April 2023

    Monday, February 06, 2023 in Blog

    Authors: Mahamed Ali (Rackspace Technology) The Kubernetes project runs a community-owned image registry called to host its container images. On the 3rd of April 2023, the old registry will be frozen and no further images …

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  • Spotlight on SIG Instrumentation

    Friday, February 03, 2023 in Blog

    Author: Imran Noor Mohamed (Delivery Hero) Observability requires the right data at the right time for the right consumer (human or piece of software) to make the right decision. In the context of Kubernetes, having best practices for cluster …

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  • Consider All Microservices Vulnerable — And Monitor Their Behavior

    Friday, January 20, 2023 in Blog

    Author: David Hadas (IBM Research Labs) This post warns Devops from a false sense of security. Following security best practices when developing and configuring microservices do not result in non-vulnerable microservices. The post shows that although …

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