Posts in 2024
CRI-O: Applying seccomp profiles from OCI registries
By Sascha Grunert | Thursday, March 07, 2024 in Blog
Seccomp stands for secure computing mode and has been a feature of the Linux kernel since version 2.6.12. It can be used to sandbox the privileges of a process, restricting the calls it is able to make from userspace into the kernel. Kubernetes lets …
Spotlight on SIG Cloud Provider
By Arujjwal Negi | Friday, March 01, 2024 in Blog
One of the most popular ways developers use Kubernetes-related services is via cloud providers, but have you ever wondered how cloud providers can do that? How does this whole process of integration of Kubernetes to various cloud providers happen? To …
A look into the Kubernetes Book Club
By Frederico Muñoz (SAS Institute) | Thursday, February 22, 2024 in Blog
Learning Kubernetes and the entire ecosystem of technologies around it is not without its challenges. In this interview, we will talk with Carlos Santana (AWS) to learn a bit more about how he created the Kubernetes Book Club, how it works, and how …
Image Filesystem: Configuring Kubernetes to store containers on a separate filesystem
By Kevin Hannon (Red Hat) | Tuesday, January 23, 2024 in Blog
A common issue in running/operating Kubernetes clusters is running out of disk space. When the node is provisioned, you should aim to have a good amount of storage space for your container images and running containers. The container runtime usually …
Spotlight on SIG Release (Release Team Subproject)
By Nitish Kumar | Monday, January 15, 2024 in Blog
The Release Special Interest Group (SIG Release), where Kubernetes sharpens its blade with cutting-edge features and bug fixes every 4 months. Have you ever considered how such a big project like Kubernetes manages its timeline so efficiently to …
Posts in 2023
Contextual logging in Kubernetes 1.29: Better troubleshooting and enhanced logging
By Mengjiao Liu (DaoCloud), Patrick Ohly (Intel) | Wednesday, December 20, 2023 in Blog
On behalf of the Structured Logging Working Group and SIG Instrumentation, we are pleased to announce that the contextual logging feature introduced in Kubernetes v1.24 has now been successfully migrated to two components (kube-scheduler and …
Kubernetes 1.29: PodReadyToStartContainers Condition Moves to Beta
By Zefeng Chen (independent), Kevin Hannon (Red Hat) | Tuesday, December 19, 2023 in Blog
With the recent release of Kubernetes 1.29, the PodReadyToStartContainers condition is available by default. The kubelet manages the value for that condition throughout a Pod's lifecycle, in the status field of a Pod. The kubelet will use the …
Kubernetes 1.29: Decoupling taint-manager from node-lifecycle-controller
By Yuan Chen (Apple), Andrea Tosatto (Apple) | Tuesday, December 19, 2023 in Blog
This blog discusses a new feature in Kubernetes 1.29 to improve the handling of taint-based pod eviction. Background In Kubernetes 1.29, an improvement has been introduced to enhance the taint-based pod eviction handling on nodes. This blog discusses …
Kubernetes 1.29: Single Pod Access Mode for PersistentVolumes Graduates to Stable
By Chris Henzie (Google) | Monday, December 18, 2023 in Blog
With the release of Kubernetes v1.29, the ReadWriteOncePod volume access mode has graduated to general availability: it's part of Kubernetes' stable API. In this blog post, I'll take a closer look at this access mode and what it does. What is …
Kubernetes 1.29: New (alpha) Feature, Load Balancer IP Mode for Services
By Aohan Yang | Monday, December 18, 2023 in Blog
This blog introduces a new alpha feature in Kubernetes 1.29. It provides a configurable approach to define how Service implementations, exemplified in this blog by kube-proxy, handle traffic from pods to the Service, within the cluster. Background In …