How-To

Fixing CVE-2026-53359 (Januscape) and CVE-2026-46113 on Talos Linux

The proper fix for CVE-2026-53359 (Januscape) and CVE-2026-46113 is a kernel bump, not disabling nested virtualization — with a Talos Linux upgrade runbook.

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KubeVirt VMs Made Simple: VM Disk and VM Instance in Cozystack

KubeVirt makes running virtual machines on Kubernetes powerful but complex. Cozystack collapses VirtualMachine, DataVolume, and PVC into two clean primitives — VM Disk and VM Instance — with independent lifecycles for golden images, cloning, and fast provisioning.

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From Zero to kubectl in 5 Minutes — Managed Kubernetes on Your Own Metal

Deploy a production-grade Kubernetes cluster on your own hardware in minutes. Cozystack uses Kamaji, Cluster API, and KubeVirt to give you fully managed Kubernetes with autoscaling, Cilium CNI, and built-in addons — no cloud bill required.

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Platform-Managed Backups in Cozystack

Cozystack introduces platform-managed backups: tenants declare what to protect, the platform handles where and how. One-shot jobs, scheduled plans, and point-in-time restore for Postgres, MariaDB, ClickHouse, and KubeVirt VMs.