Posts in 2019

  • Runc and CVE-2019-5736

    Monday, February 11, 2019 in Blog

    This morning a container escape vulnerability in runc was announced. We wanted to provide some guidance to Kubernetes users to ensure everyone is safe and secure. What Is Runc? Very briefly, runc is the low-level tool which does the heavy lifting of …

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  • Poseidon-Firmament Scheduler – Flow Network Graph Based Scheduler

    Wednesday, February 06, 2019 in Blog

    Authors: Deepak Vij (Huawei), Shivram Shrivastava (Huawei) Introduction Cluster Management systems such as Mesos, Google Borg, Kubernetes etc. in a cloud scale datacenter environment (also termed as Datacenter-as-a-Computer or Warehouse-Scale …

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  • Update on Volume Snapshot Alpha for Kubernetes

    Thursday, January 17, 2019 in Blog

    Authors: Jing Xu (Google), Xing Yang (Huawei), Saad Ali (Google) Volume snapshotting support was introduced in Kubernetes v1.12 as an alpha feature. In Kubernetes v1.13, it remains an alpha feature, but a few enhancements were added and some breaking …

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  • Container Storage Interface (CSI) for Kubernetes GA

    Tuesday, January 15, 2019 in Blog

    Author: Saad Ali, Senior Software Engineer, Google The Kubernetes implementation of the Container Storage Interface (CSI) has been promoted to GA in the Kubernetes v1.13 release. Support for CSI was introduced as alpha in Kubernetes v1.9 release, and …

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  • APIServer dry-run and kubectl diff

    Monday, January 14, 2019 in Blog

    Author: Antoine Pelisse (Google Cloud, @apelisse) Declarative configuration management, also known as configuration-as-code, is one of the key strengths of Kubernetes. It allows users to commit the desired state of the cluster, and to keep track of …

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Posts in 2018

  • Kubernetes Federation Evolution

    Wednesday, December 12, 2018 in Blog

    Authors: Irfan Ur Rehman (Huawei), Paul Morie (RedHat) and Shashidhara T D (Huawei) Kubernetes provides great primitives for deploying applications to a cluster: it can be as simple as kubectl create -f app.yaml. Deploy apps across multiple clusters …

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  • etcd: Current status and future roadmap

    Tuesday, December 11, 2018 in Blog

    Author: Gyuho Lee (Amazon Container OSS Team, @gyuho), Joe Betz (Google Cloud, @jpbetz) etcd is a distributed key value store that provides a reliable way to manage the coordination state of distributed systems. etcd was first announced in June 2013 …

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  • New Contributor Workshop Shanghai

    Wednesday, December 05, 2018 in Blog

    Authors: Josh Berkus (Red Hat), Yang Li (The Plant), Puja Abbassi (Giant Swarm), XiangPeng Zhao (ZTE) Kubecon Shanghai New Contributor Summit attendees. Photo by Jerry Zhang We recently completed our first New Contributor Summit in China, at the …

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  • Production-Ready Kubernetes Cluster Creation with kubeadm

    Tuesday, December 04, 2018 in Blog

    Authors: Lucas Käldström (CNCF Ambassador) and Luc Perkins (CNCF Developer Advocate) kubeadm is a tool that enables Kubernetes administrators to quickly and easily bootstrap minimum viable clusters that are fully compliant with Certified Kubernetes …

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  • Kubernetes 1.13: Simplified Cluster Management with Kubeadm, Container Storage Interface (CSI), and CoreDNS as Default DNS are Now Generally Available

    Monday, December 03, 2018 in Blog

    Author: The 1.13 Release Team We’re pleased to announce the delivery of Kubernetes 1.13, our fourth and final release of 2018! Kubernetes 1.13 has been one of the shortest releases to date at 10 weeks. This release continues to focus on stability and …

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