Posts in 2023

  • kubeadm: Use etcd Learner to Join a Control Plane Node Safely

    Monday, September 25, 2023 in Blog

    Author: Paco Xu (DaoCloud) The kubeadm tool now supports etcd learner mode, which allows you to enhance the resilience and stability of your Kubernetes clusters by leveraging the learner mode feature introduced in etcd version 3.4. This guide will …

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  • User Namespaces: Now Supports Running Stateful Pods in Alpha!

    Wednesday, September 13, 2023 in Blog

    Authors: Rodrigo Campos Catelin (Microsoft), Giuseppe Scrivano (Red Hat), Sascha Grunert (Red Hat) Kubernetes v1.25 introduced support for user namespaces for only stateless pods. Kubernetes 1.28 lifted that restriction, after some design changes …

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  • Comparing Local Kubernetes Development Tools: Telepresence, Gefyra, and mirrord

    Tuesday, September 12, 2023 in Blog

    Author: Eyal Bukchin (MetalBear) The Kubernetes development cycle is an evolving landscape with a myriad of tools seeking to streamline the process. Each tool has its unique approach, and the choice often comes down to individual project …

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  • Kubernetes Legacy Package Repositories Will Be Frozen On September 13, 2023

    Thursday, August 31, 2023 in Blog

    Authors: Bob Killen (Google), Chris Short (AWS), Jeremy Rickard (Microsoft), Marko Mudrinić (Kubermatic), Tim Bannister (The Scale Factory) On August 15, 2023, the Kubernetes project announced the general availability of the community-owned package …

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  • Gateway API v0.8.0: Introducing Service Mesh Support

    Tuesday, August 29, 2023 in Blog

    Authors: Flynn (Buoyant), John Howard (Google), Keith Mattix (Microsoft), Michael Beaumont (Kong), Mike Morris (independent), Rob Scott (Google) We are thrilled to announce the v0.8.0 release of Gateway API! With this release, Gateway API support for …

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  • Kubernetes 1.28: A New (alpha) Mechanism For Safer Cluster Upgrades

    Monday, August 28, 2023 in Blog

    Author: Richa Banker (Google) This blog describes the mixed version proxy, a new alpha feature in Kubernetes 1.28. The mixed version proxy enables an HTTP request for a resource to be served by the correct API server in cases where there are multiple …

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  • Kubernetes v1.28: Introducing native sidecar containers

    Friday, August 25, 2023 in Blog

    Authors: Todd Neal (AWS), Matthias Bertschy (ARMO), Sergey Kanzhelev (Google), Gunju Kim (NAVER), Shannon Kularathna (Google) This post explains how to use the new sidecar feature, which enables restartable init containers and is available in alpha …

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  • Kubernetes 1.28: Beta support for using swap on Linux

    Thursday, August 24, 2023 in Blog

    Author: Itamar Holder (Red Hat) The 1.22 release introduced Alpha support for configuring swap memory usage for Kubernetes workloads running on Linux on a per-node basis. Now, in release 1.28, support for swap on Linux nodes has graduated to Beta, …

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  • Kubernetes 1.28: Node podresources API Graduates to GA

    Wednesday, August 23, 2023 in Blog

    Author: Francesco Romani (Red Hat) The podresources API is an API served by the kubelet locally on the node, which exposes the compute resources exclusively allocated to containers. With the release of Kubernetes 1.28, that API is now Generally …

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  • Kubernetes 1.28: Improved failure handling for Jobs

    Monday, August 21, 2023 in Blog

    Authors: Kevin Hannon (G-Research), Michał Woźniak (Google) This blog discusses two new features in Kubernetes 1.28 to improve Jobs for batch users: Pod replacement policy and Backoff limit per index. These features continue the effort started by the …

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