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Posts in 2021
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Kubernetes 1.23: Dual-stack IPv4/IPv6 Networking Reaches GA
By Bridget Kromhout (Microsoft) | Wednesday, December 08, 2021 in Blog
"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 since v1.18, migration from IPv4 to …
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Kubernetes 1.23: The Next Frontier
By Kubernetes 1.23 Release Team | Tuesday, December 07, 2021 in Blog
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 enhancements are entering alpha. Also, …
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Contribution, containers and cricket: the Kubernetes 1.22 release interview
By Craig Box (Google) | Wednesday, December 01, 2021 in Blog
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 1.22 was led by Savitha …
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Quality-of-Service for Memory Resources
By Tim Xu (Tencent Cloud) | Friday, November 26, 2021 in Blog
Kubernetes v1.22, released in August 2021, introduced a new alpha feature that improves how Linux nodes implement memory resource requests and limits. In prior releases, Kubernetes did not support memory quality guarantees. For example, if you set …
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Dockershim removal is coming. Are you ready?
By Sergey Kanzhelev (Google) | Friday, November 12, 2021 in Blog
Reviewers: 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 built-in integration for Docker Engine) is …
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Non-root Containers And Devices
By Mikko Ylinen (Intel) | Tuesday, November 09, 2021 in Blog
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 about the problem and describe …
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Announcing the 2021 Steering Committee Election Results
By Kaslin Fields | Monday, November 08, 2021 in Blog
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 elected by the Kubernetes …
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Use KPNG to Write Specialized kube-proxiers
By Lars Ekman (Ericsson) | Monday, October 18, 2021 in Blog
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 default Kubernetes Service …
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Introducing ClusterClass and Managed Topologies in Cluster API
By Fabrizio Pandini (VMware) | Friday, October 08, 2021 in Blog
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 clusters in a declarative way. A little …
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A Closer Look at NSA/CISA Kubernetes Hardening Guidance
By Jim Angel (Google), Pushkar Joglekar (VMware), Savitha Raghunathan (Red Hat) | Tuesday, October 05, 2021 in Blog
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 authors. Background USA's National Security Agency (NSA) and the Cybersecurity and …