Posts in 2021

  • Dockershim removal is coming. Are you ready?

    Friday, November 12, 2021 in Blog

    Authors: Sergey Kanzhelev, Google. With reviews from Davanum Srinivas, Elana Hashman, Noah Kantrowitz, Rey Lejano. Poll closed This poll closed on January 7, 2022. Last year we announced that Kubernetes' dockershim component (which provides a …

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  • Non-root Containers And Devices

    Tuesday, November 09, 2021 in Blog

    Author: Mikko Ylinen (Intel) The user/group ID related security settings in Pod's securityContext trigger a problem when users want to deploy containers that use accelerator devices (via Kubernetes Device Plugins) on Linux. In this blog post I talk …

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  • Announcing the 2021 Steering Committee Election Results

    Monday, November 08, 2021 in Blog

    Author: Kaslin Fields The 2021 Steering Committee Election is now complete. The Kubernetes Steering Committee consists of 7 seats, 4 of which were up for election in 2021. Incoming committee members serve a term of 2 years, and all members are …

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  • Use KPNG to Write Specialized kube-proxiers

    Monday, October 18, 2021 in Blog

    Author: Lars Ekman (Ericsson) The post will show you how to create a specialized service kube-proxy style network proxier using Kubernetes Proxy NG kpng without interfering with the existing kube-proxy. The kpng project aims at renewing the the …

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  • Introducing ClusterClass and Managed Topologies in Cluster API

    Friday, October 08, 2021 in Blog

    Author: Fabrizio Pandini (VMware) The Cluster API community is happy to announce the implementation of ClusterClass and Managed Topologies, a new feature that will greatly simplify how you can provision, upgrade, and operate multiple Kubernetes …

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  • A Closer Look at NSA/CISA Kubernetes Hardening Guidance

    Tuesday, October 05, 2021 in Blog

    Authors: Jim Angel (Google), Pushkar Joglekar (VMware), and Savitha Raghunathan (Red Hat) Disclaimer The open source tools listed in this article are to serve as examples only and are in no way a direct recommendation from the Kubernetes community or …

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  • How to Handle Data Duplication in Data-Heavy Kubernetes Environments

    Wednesday, September 29, 2021 in Blog

    Authors: Augustinas Stirbis (CAST AI) Why Duplicate Data? It’s convenient to create a copy of your application with a copy of its state for each team. For example, you might want a separate database copy to test some significant schema changes or …

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  • Spotlight on SIG Node

    Monday, September 27, 2021 in Blog

    Author: Dewan Ahmed, Red Hat Introduction In Kubernetes, a Node is a representation of a single machine in your cluster. SIG Node owns that very important Node component and supports various subprojects such as Kubelet, Container Runtime Interface …

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  • Introducing Single Pod Access Mode for PersistentVolumes

    Monday, September 13, 2021 in Blog

    Author: Chris Henzie (Google) Last month's release of Kubernetes v1.22 introduced a new ReadWriteOncePod access mode for PersistentVolumes and PersistentVolumeClaims. With this alpha feature, Kubernetes allows you to restrict volume access to a …

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  • Alpha in Kubernetes v1.22: API Server Tracing

    Friday, September 03, 2021 in Blog

    Authors: David Ashpole (Google) In distributed systems, it can be hard to figure out where problems are. You grep through one component's logs just to discover that the source of your problem is in another component. You search there only to discover …

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