Posts in 2023

  • 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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  • k8s.gcr.io 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 registry.k8s.io to host its container images. On the 3rd of April 2023, the old registry k8s.gcr.io 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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  • Protect Your Mission-Critical Pods From Eviction With PriorityClass

    Thursday, January 12, 2023 in Blog

    Author: Sunny Bhambhani (InfraCloud Technologies) Kubernetes has been widely adopted, and many organizations use it as their de-facto orchestration engine for running workloads that need to be created and deleted frequently. Therefore, proper …

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  • Kubernetes 1.26: Eviction policy for unhealthy pods guarded by PodDisruptionBudgets

    Friday, January 06, 2023 in Blog

    Authors: Filip Křepinský (Red Hat), Morten Torkildsen (Google), Ravi Gudimetla (Apple) Ensuring the disruptions to your applications do not affect its availability isn't a simple task. Last month's release of Kubernetes v1.26 lets you specify an …

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  • Kubernetes v1.26: Retroactive Default StorageClass

    Thursday, January 05, 2023 in Blog

    Author: Roman Bednář (Red Hat) The v1.25 release of Kubernetes introduced an alpha feature to change how a default StorageClass was assigned to a PersistentVolumeClaim (PVC). With the feature enabled, you no longer need to create a default …

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  • Kubernetes v1.26: Alpha support for cross-namespace storage data sources

    Monday, January 02, 2023 in Blog

    Author: Takafumi Takahashi (Hitachi Vantara) Kubernetes v1.26, released last month, introduced an alpha feature that lets you specify a data source for a PersistentVolumeClaim, even where the source data belong to a different namespace. With the new …

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Posts in 2022