Kubernetes

105 articles · latest first

Prepare for Kubernetes failCgroupV1=true default and Kueue admission debugging with Headlamp

Upcoming Kubernetes default of failCgroupV1=true will make cgroup v1 nodes unbootable; Headlamp's new guidance helps trace Jobs suspended by Kueue's admission.

Oct 17, 2026·3mkubernetescgroup-v2

Kubernetes

runc 1.6.0-rc.1: cgroup v2 alignment and implications for Kubernetes platform teams

runc 1.6.0-rc.1 introduces cgroup v2 alignment and low-level runtime changes. Platform teams must add runtime compatibility gates and CI tests before upgrades.

Oct 16, 2026·3mrunccgroup-v2

Kubernetes

runc 1.6.0-rc.1: cgroup v2 alignment and Kubernetes implications

runc 1.6.0-rc.1 aligns the OCI runtime with cgroup v2. Platform teams must treat kernel, runc, and containerd upgrades as the critical path to density gains.

Oct 14, 2026·3mrunckubernetes

Kubernetes

Kubernetes alpha snapshot: SELinuxMount enabled-by-default and kubelet user namespaces to beta

Early Kubernetes alpha snapshot signals SELinuxMount graduating to GA and enabled-by-default, and kubelet user namespaces moving to beta. Test nodes now.

Oct 13, 2026·3mkubernetesrunc

Kubernetes

runc 1.6.0-rc.1: cgroup v2 alignment and immutable RC

runc 1.6.0-rc.1 signals a move to cgroup v2; platform teams must test cgroup v2, validate storage and histogram metric changes, and update CI urgently.

Oct 12, 2026·3mrunccgroup-v2

Kubernetes

runc 1.6.0-rc.1: cgroup v2 alignment and immutable RC — implications for Kubernetes platforms

runc 1.6.0-rc.1 pushes cgroup v2 alignment and an immutable release model. Platform teams must test full runtime stacks before Kubernetes node upgrades.

Oct 11, 2026·3mrunccgroup-v2

Kubernetes

runc 1.6.0-rc.1: immutable pre-release and the cgroup v2 pressure on Kubernetes v1.37+

runc 1.6.0-rc.1 arrives as runtimes tighten defaults while Kubernetes phases out cgroup v1 support. Platform teams must test node stacks and accounting.

Oct 9, 2026·3mrunckubernetes

Kubernetes

runc 1.6.0-rc.1 immutable pre-release (published Oct 6)

runc 1.6.0-rc.1 published Oct 6 as an immutable pre-release; test CI lanes, validate PVC unused-time Beta, and note Meshery's CNCF incubation for mesh tooling.

Oct 8, 2026·3mrunckubernetes

Kubernetes

runc v1.6.0-rc.1 immutable pre-release and Kubernetes Node Swap scaling guidance

runc v1.6.0-rc.1 is immutable; final 1.6.0 expected late Oct. Kubernetes' Node Swap guidance warns teams to retune autoscalers and eviction policies now.

Oct 7, 2026·3mrunckubernetes

Kubernetes

Docker Desktop 4.93.0: only clearly indexed container-ecosystem release Sept 28–Oct 5, 2026

Docker Desktop 4.93.0, published Sept 28, 2026, was the only clearly indexed container release in Sept 28–Oct 5, exposing gaps in CVE and patch visibility.

Oct 5, 2026·3mdocker-desktopcontainerd

Kubernetes

containerd runtime bump: runc upgrade observed in late Sept 2026

containerd 2.4.1 (released Sept 24) includes a runc 1.5.1 runtime bump. No Kubernetes ecosystem releases Sept 27–Oct 4, 2026; track runtimes closely now.

Oct 4, 2026·3mcontainerdrunc

Kubernetes

Workload-Aware Scheduling primitives reach Beta in Kubernetes: Workload and PodGroup APIs promoted

Kubernetes promotes Workload and PodGroup scheduling APIs to Beta, adding workload-aware preemption, group topology scheduling, and shared ResourceClaims.

Oct 3, 2026·3mkubernetesworkload-aware-scheduling

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