Running Cozystack on Three 8 GB Raspberry Pi 5 Boards
How to build a small Cozystack cloud on three 8 GB Raspberry Pi 5 boards: kuberoot image, VMs on Cloud Hypervisor with GICv2, replicated storage and HA etcd.
Topic: Virtualization
Cozystack 1.7: ARM, Proxmox as a KubeVirt Alternative, and Automated VMware Migrations
Cozystack v1.7.0 brings arm64 builds, tenant Kubernetes on Proxmox, automated VMware imports, an extensible Marketplace, and backups for all major databases.
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A community catalog brings Niklaus Wirth's Oberon machine to Cozystack as an installable app
A community member added Niklaus Wirth’s RISC5 Oberon workstation to Cozystack as a one-click app — using the pluggable-catalog and KubeVirt sidecar mechanisms, with no fork of Cozystack or KubeVirt.
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Security Advisory — CVE-2026-53359 ("Januscape"): KVM Guest-to-Host Escape
CVE-2026-53359 (“Januscape”) is a KVM guest-to-host escape affecting all current Talos kernels. Cozystack clusters that run VMs or tenant Kubernetes should disable nested virtualization now.
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Cozystack 1.3: Storage-Aware Scheduling, LINSTOR GUI, and VM Default Images
Cozystack 1.3 brings storage-aware pod scheduling, a managed LINSTOR GUI, a curated VM image catalog, application-level observability, and cross-namespace VM backup restore.