Posts in 2023

  • Spotlight on SIG CLI

    Thursday, July 20, 2023 in Blog

    Author: Arpit Agrawal In the world of Kubernetes, managing containerized applications at scale requires powerful and efficient tools. The command-line interface (CLI) is an integral part of any developer or operator’s toolkit, offering a convenient …

    Read more

  • Confidential Kubernetes: Use Confidential Virtual Machines and Enclaves to improve your cluster security

    Thursday, July 06, 2023 in Blog

    Authors: Fabian Kammel (Edgeless Systems), Mikko Ylinen (Intel), Tobin Feldman-Fitzthum (IBM) In this blog post, we will introduce the concept of Confidential Computing (CC) to improve any computing environment's security and privacy properties. …

    Read more

  • Verifying Container Image Signatures Within CRI Runtimes

    Thursday, June 29, 2023 in Blog

    Author: Sascha Grunert The Kubernetes community has been signing their container image-based artifacts since release v1.24. While the graduation of the corresponding enhancement from alpha to beta in v1.26 introduced signatures for the binary …

    Read more

  • dl.k8s.io to adopt a Content Delivery Network

    Friday, June 09, 2023 in Blog

    Authors: Arnaud Meukam (VMware), Hannah Aubry (Fastly), Frederico Muñoz (SAS Institute) We're happy to announce that dl.k8s.io, home of the official Kubernetes binaries, will soon be powered by Fastly. Fastly is known for its high-performance content …

    Read more

  • Using OCI artifacts to distribute security profiles for seccomp, SELinux and AppArmor

    Wednesday, May 24, 2023 in Blog

    Author: Sascha Grunert The Security Profiles Operator (SPO) makes managing seccomp, SELinux and AppArmor profiles within Kubernetes easier than ever. It allows cluster administrators to define the profiles in a predefined custom resource YAML, which …

    Read more

  • Having fun with seccomp profiles on the edge

    Thursday, May 18, 2023 in Blog

    Author: Sascha Grunert The Security Profiles Operator (SPO) is a feature-rich operator for Kubernetes to make managing seccomp, SELinux and AppArmor profiles easier than ever. Recording those profiles from scratch is one of the key features of this …

    Read more

  • Kubernetes 1.27: KMS V2 Moves to Beta

    Tuesday, May 16, 2023 in Blog

    Authors: Anish Ramasekar, Mo Khan, and Rita Zhang (Microsoft) With Kubernetes 1.27, we (SIG Auth) are moving Key Management Service (KMS) v2 API to beta. What is KMS? One of the first things to consider when securing a Kubernetes cluster is …

    Read more

  • Kubernetes 1.27: updates on speeding up Pod startup

    Monday, May 15, 2023 in Blog

    Authors: Paco Xu (DaoCloud), Sergey Kanzhelev (Google), Ruiwen Zhao (Google) How can Pod start-up be accelerated on nodes in large clusters? This is a common issue that cluster administrators may face. This blog post focuses on methods to speed up …

    Read more

  • Kubernetes 1.27: In-place Resource Resize for Kubernetes Pods (alpha)

    Friday, May 12, 2023 in Blog

    Author: Vinay Kulkarni (Kubescaler Labs) If you have deployed Kubernetes pods with CPU and/or memory resources specified, you may have noticed that changing the resource values involves restarting the pod. This has been a disruptive operation for …

    Read more

  • Kubernetes 1.27: Avoid Collisions Assigning Ports to NodePort Services

    Thursday, May 11, 2023 in Blog

    Author: Xu Zhenglun (Alibaba) In Kubernetes, a Service can be used to provide a unified traffic endpoint for applications running on a set of Pods. Clients can use the virtual IP address (or VIP) provided by the Service for access, and Kubernetes …

    Read more