Posts in 2021

  • Kubernetes-in-Kubernetes and the WEDOS PXE bootable server farm

    Wednesday, December 22, 2021 in Blog

    Author: Andrei Kvapil (WEDOS) When you own two data centers, thousands of physical servers, virtual machines and hosting for hundreds of thousands sites, Kubernetes can actually simplify the management of all these things. As practice has shown, by …

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  • Using Admission Controllers to Detect Container Drift at Runtime

    Tuesday, December 21, 2021 in Blog

    Author: Saifuding Diliyaer (Box) Illustration by Munire Aireti At Box, we use Kubernetes (K8s) to manage hundreds of micro-services that enable Box to stream data at a petabyte scale. When it comes to the deployment process, we run kube-applier as …

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  • What's new in Security Profiles Operator v0.4.0

    Friday, December 17, 2021 in Blog

    Authors: Jakub Hrozek, Juan Antonio Osorio, Paulo Gomes, Sascha Grunert The Security Profiles Operator (SPO) is an out-of-tree Kubernetes enhancement to make the management of seccomp, SELinux and AppArmor profiles easier and more convenient. We're …

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  • Kubernetes 1.23: StatefulSet PVC Auto-Deletion (alpha)

    Thursday, December 16, 2021 in Blog

    Author: Matthew Cary (Google) Kubernetes v1.23 introduced a new, alpha-level policy for StatefulSets that controls the lifetime of PersistentVolumeClaims (PVCs) generated from the StatefulSet spec template for cases when they should be deleted …

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  • Kubernetes 1.23: Prevent PersistentVolume leaks when deleting out of order

    Wednesday, December 15, 2021 in Blog

    Author: Deepak Kinni (VMware) PersistentVolume (or PVs for short) are associated with Reclaim Policy. The Reclaim Policy is used to determine the actions that need to be taken by the storage backend on deletion of the PV. Where the reclaim policy is …

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  • Kubernetes 1.23: Kubernetes In-Tree to CSI Volume Migration Status Update

    Friday, December 10, 2021 in Blog

    Author: Jiawei Wang (Google) The Kubernetes in-tree storage plugin to Container Storage Interface (CSI) migration infrastructure has already been beta since v1.17. CSI migration was introduced as alpha in Kubernetes v1.14. Since then, SIG Storage and …

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  • Kubernetes 1.23: Pod Security Graduates to Beta

    Thursday, December 09, 2021 in Blog

    Authors: Jim Angel (Google), Lachlan Evenson (Microsoft) With the release of Kubernetes v1.23, Pod Security admission has now entered beta. Pod Security is a built-in admission controller that evaluates pod specifications against a predefined set of …

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  • Kubernetes 1.23: Dual-stack IPv4/IPv6 Networking Reaches GA

    Wednesday, December 08, 2021 in Blog

    Author: Bridget Kromhout (Microsoft) "When will Kubernetes have IPv6?" This question has been asked with increasing frequency ever since alpha support for IPv6 was first added in k8s v1.9. While Kubernetes has supported IPv6-only clusters …

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  • Kubernetes 1.23: The Next Frontier

    Tuesday, December 07, 2021 in Blog

    Authors: Kubernetes 1.23 Release Team We’re pleased to announce the release of Kubernetes 1.23, the last release of 2021! This release consists of 47 enhancements: 11 enhancements have graduated to stable, 17 enhancements are moving to beta, and 19 …

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  • Contribution, containers and cricket: the Kubernetes 1.22 release interview

    Wednesday, December 01, 2021 in Blog

    Author: Craig Box (Google) The Kubernetes release train rolls on, and we look ahead to the release of 1.23 next week. As is our tradition, I'm pleased to bring you a look back at the process that brought us the previous version. The release team for …

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