Kubernetes
Ænix Billing — minutengenaue Verbrauchsabrechnung für Managed PostgreSQL, Redis, Kafka und ClickHouse auf Cozystack
Ænix Billing rechnet Managed Postgres, Redis, Kafka und ClickHouse auf Cozystack minutengenau nach CPU, Memory und Speicher ab — Kubernetes-native API.
Ænix Billing — per-minute usage-based billing for Managed PostgreSQL, Redis, Kafka and ClickHouse on Cozystack
Aenix Billing brings AWS-style per-minute, usage-based billing to managed Postgres, Redis, Kafka and ClickHouse on Cozystack via a Kubernetes-native API.
OpenStack migration — a cohort-based playbook for moving to Cozystack in 2026
Cohort-based playbook for migrating production OpenStack to Cozystack: component mapping, image conversion, networking redesign, handover, and timeline.
Best VMware alternatives in 2026 — detailed comparison and decision framework
A decision framework and ranked comparison of the credible VMware alternatives in 2026 — what each is, who it fits, and what migration costs.
Cloud cost optimization strategies in 2026 — a practical guide for engineering and finance
Eight cloud cost optimization strategies, from commitment-realization gaps to Kubernetes right-sizing — and the point where configurational tuning stops paying.
Cloud engineering disciplines in 2026 — the seven disciplines that compound
The seven disciplines a mature cloud engineering function runs — architecture, IaC, GitOps, observability, security, FinOps, compliance — and how they fit.
Cloud Readiness Assessment — what 14 days actually cover (2026 methodology)
A 14-day platform readiness assessment run as four parallel workstreams: how the days sequence, what the report contains, and pitfalls we learned to avoid.
Cloud-Kostenoptimierungs-Strategien 2026 — praktischer Leitfaden für DACH
Begleitung zur Cloud-Kostenoptimierungs-Page.
Cloud-native research and teaching infrastructure — what universities actually need in 2026
Architecture patterns for university research and teaching infrastructure: the three missions, GPU scheduling for labs, and the pitfalls that recur.
Cozystack — was es ist, Architektur und 2026-Positionierung
Begleitung zur Cozystack-Page.
Cozystack — what it is, architecture, and how it fits in 2026
What Cozystack is technically, the architectural choices behind it, how it compares to OpenStack and OpenShift, and when it is the wrong answer.
Cozystack vs VMware — deep-dive comparison for platform engineers
Cozystack against VMware layer by layer — compute, storage, network, multi-tenancy — with the operational implications and migration patterns for each.
Developer experience platforms — building self-service paths that actually get used
The ten golden paths most worth building, the five characteristics that make them work, and the architectural decisions that shape self-service.
DevOps best practices for 2026 — beyond the slide-deck era
The eight DevOps practices that compound in 2026, what is still contested, the failure modes that recur, and how to place your team on the maturity curve.
Hosting provider platform modernization — from VPS to cloud product
Architectural starting point, migration sequencing, and unit economics for hosting providers modernizing onto a Kubernetes-native multi-tenant platform.
Hosting-Anbieter-Plattform-Modernisierung — von VPS zum Cloud-Produkt
Begleitung zur Hosting-Anbieter-Page.
Hybrid-Cloud-Architektur-Muster 2026 — was funktioniert, was scheitert
Begleitung zur Hybrid-Cloud-Page.
Internal Developer Platform Beispiele — 6 architektonische Muster ohne Backstage-Lock-in
- Internal Developer Platform — die Capability-Schicht (Compute, Storage, Networking, Identity, Observability, Deployment-Automatisierung) - Internal...
Internal developer platform examples — 6 architectural patterns without Backstage lock-in
Six internal developer platform patterns from production, the tools that show up across them, and how to pick one without defaulting to Backstage.
Internal developer portal vs internal developer platform — and Backstage's place in 2026
Portal and platform are not the same thing. Where Backstage actually fits, what the alternatives are, and how to decide whether you need a portal at all.
K-12 school district cloud infrastructure — when sovereignty matters more than convenience
Why K-12 infrastructure differs from universities, when a district actually needs sovereign infrastructure, and the architecture pattern that fits.
K-12-Schulträger-Cloud-Infrastruktur — wenn Souveränität wichtiger ist als Bequemlichkeit
Begleitung zur K-12-Bildung-Page.
Launch a customer-facing cloud product — playbook for hosting providers, telcos, and regional operators
The six layers of a customer-facing cloud product, the architectural decisions specific to public cloud, and where launches stumble commercially.
Nutanix vs Cozystack vs VMware — choosing your virtualization platform in 2026
Nutanix HCI with AHV, VMware after Broadcom, and Cozystack compared on architecture, where each wins, and the migration economics between them.
OpenShift vs Cozystack — comparison for KubeVirt-based platform decisions
Two KubeVirt-based platforms compared: shared foundations, where they genuinely differ, when OpenShift wins, and what migration between them involves.
OpenStack vs Cozystack — modernization options for OpenStack operators in 2026
Where OpenStack still wins, where the operational pressure comes from, and the modernization paths available to OpenStack-trained teams.
Private cloud architecture in 2026 — design, components, and implementation patterns
What private cloud means in 2026: the architectural layers, three patterns that work, capacity sizing, and the mistakes that recur in design reviews.
Private cloud providers and platforms — a 2026 comparison
Open-source platforms, commercial stacks, sovereign hyperscaler regions and regional providers compared — plus the migration paths between them.
Private LLM deployment — a practical guide to on-premise AI infrastructure in 2026
The six layers of a real private LLM deployment — hardware, platform, serving, model, application, operations — with the pitfalls at each one.
Private LLM Deployment — Praktischer Leitfaden für On-Premise-KI-Infrastruktur 2026
Begleitung zur Souveränen KI-Page.
Production Kubernetes cluster setup — architecture decisions, sizing, and operations in 2026
Ten architecture decisions behind a production Kubernetes cluster — distribution, tenancy, CNI, storage, GitOps, DR — and the readiness failures that recur.
Produktions-Kubernetes-Cluster — Architekturentscheidungen, Sizing und Operations 2026
Begleitung zur Kubernetes-Consulting-Page.
Proxmox vs VMware vs Cozystack — a 2026 comparison for the post-Broadcom era
Proxmox VE, VMware after Broadcom, and Cozystack compared by architecture and use case, with a feature matrix and the realistic migration paths.
Proxmox vs VMware vs Cozystack — Vergleich für die Post-Broadcom-Ära
Begleitung zur Proxmox-Alternative-Page.
VMware migration tools and strategy in 2026 — what works, what fails
Three VMware migration paths, the tooling for KubeVirt-based migration, where migrations stumble, and realistic cost ranges.
VMware replacement after Broadcom: a guide for service providers, banks, and sovereign clouds in 2026
What changed under Broadcom, a component-by-component VMware-to-Cozystack mapping, how the migration actually runs, and the FAQ engineers ask first.
VMware-Ablösung nach Broadcom — Leitfaden für DACH-Service-Provider, Banken und souveräne Clouds
Dies ist die ausführliche Begleitung zu unserer fokussierte Seite zur VMware-Alternative-Page. Sie führt durch den Wandel unter Broadcom, was eine glaubwürdige...
When Cozystack fits SMB and mid-market — and when it doesn't
Most SMB organizations do not need Cozystack. An honest test for when they do, and what to run instead when they do not.
Cozystack 1.3: Storage-Aware Scheduling, LINSTOR GUI, and VM Default Images
Cozystack v1.3.0 is now available. The release also rolls up every fix shipped in the v1.2.1 → v1.2.4 patch line.
Cozystack have launched a new OSS health section on a website
We have launched a new OSS health section on the Cozystack website, with project stats refreshed automatically every month.
RWX (ReadWriteMany) volumes in Cozystack — native shared storage for your workloads
Starting with Cozystack v1.0, you can use ReadWriteMany (RWX) persistent volumes out of the box. This means multiple pods and VMs can mount the same volume...
CozySummit Virtual 2026: The Program Is Set — and It Looks Amazing!
We are thrilled to announce the full lineup of talks for the new CozySummit Virtual 2026! The program is ready, and we can’t wait to share it with you. Five...
Game Servers on Cozystack: No April Fools’ Joke
Hello, world! We are the team behindCozystack, an open-source platform for building clouds on your own hardware. We want to explain why we decided to target...
Cozystack v1.0
The last platform release was 0.41. So it came as a surprise when the next release, 0.42, turned out to be the answer to the ultimate…
Cozystack & Ænix at KubeCon Europe
Amsterdam, Netherlands — March 25 📍 CNCF Project Pavilion 🪧 Kiosk P-18A | Halls 1–5 🕙 Wednesday, March 25 | 10:00–13:30
Deploy Cozystack on any Kubernetes with Ansible
For teams that can’t adopt the full Cozystack stack with Talos Linux — whether due to corporate policies, existing infrastructure, or OS-specific...
Platformize it! Part 2: Extending Kubernetes and the API Aggregation Layer
In our previous article, we showed you how to build a platform that deploys multiple managed applications through a unified API and UI…
Cozystack is no longer tied to Talos! Deploy on any Linux distro now
Cozystack is expanding beyond Talos Linux. This means you can now transform any existing K8s cluster — regardless of the underlying Linux…
Platformize It! Part 1: Platform Approach, Core of a Modern Platform, and APIs
I have spent many years dreaming about building my own cloud platform. After several attempts within different companies, I finally…
Cozystack v0.41.0 — managed MongoDB
This version features MongoDB as a new managed application, significantly expanding our database offerings alongside existing PostgreSQL…
KubeVirt: The Truth About Virtualization Overhead In Kubernetes
When it comes to running virtual machines in Kubernetes via KubeVirt, the first question engineers ask is: “What is the overhead?” Let’s…
Cozystack v0.40 — Enhanced Storage & Platform Architecture
In version 0.40, we’ve focused on improving storage efficiency and platform architecture. Key updates include the LINSTOR scheduler for…
📎📎 Cozystack v0.38: VPC networking, VM console & faster API
This release introduces Virtual Private Cloud (VPC) support, enabling advanced networking capabilities for tenant applications. We’ve also…
Cozystack v0.37: Brand New UI
In the new release, the Cozystack developer community unveiled a completely new UI based on the openapi-ui project. The maintainers fully…
Protofire Experience Operating Kubernetes with Cozystack
In a recent infrastructure transition that spanned several months, our team explored alternative container orchestration platforms to…
🔴 CNCF Webinar: One API to Rule Them All — Building a Unified Platform with Kubernetes Aggregation
Speaker: Andrei Kvapil, Ænix CEO, Cozystack maintainer
Cozystack v0.35:
The new version of Cozystack takes a major step forward in its modular (or: decomposed) architecture, enabling users to swiftly integrate…
Invitation to CozySummit Virtual — December 3
Join us on December 3 for CozySummit Virtual, the first conference for CozyStack developers and users.
Cozystack v0.34:
Our maintainers and contributors never stand still, and we’re already ready to present the next stable release of Cozystack v0.34. In this…
Cozystack v0.31–0.33
It’s been a while since we last covered Cozystack’s updates — time to fix that! We’re thrilled to showcase a wealth of new features and…
Cozystack became a Certified Kubernetes Platform
We’re proud to announce: Cozystack has achieved Certified Kubernetes Platform status. Thanks to our community and especially to our good…
The Evolution of Virtualization Platforms: The Rise of Managed Services and Local Providers’ Edge…
Hello everyone! I’m Andrey Kvapil, CEO of Ænix and developer of Cozystack, an open-source platform and framework for building cloud…
🚀 Cozystack Recognized in CNCF’s CNAI Landscape!
We’re thrilled to share that Cozystack has been added to the Cloud Native AI (CNAI) Landscape by the Cloud Native Computing Foundation…
A Simple Way to Install Talos Linux on Any Machine, with Any Provider
Talos Linux is a specialized operating system designed for running Kubernetes. In my opinion, it does that task better than others. First…
Cozystack Now Offers GPU Passthrough for AI/ML Virtual Machines
The open-source cloud platform has introduced direct GPU passthrough in its latest release, enabling users to accelerate AI, machine…
Updates to the Open-Source Platform Cozystack 0.24–0.29:
We haven’t shared much about Cozystack’s new features lately, even though we’ve released six new versions over the past month and a half…
Cozystack Becomes a CNCF Sandbox Project
On February 28, members of the CNCF Technical Oversight Committee completed their voting and unanimously accepted Cozystack, a platform for…
Recent Changes in the Cozystack Open Source Platform: Opencost, Log Collection System, Bridge…
Over the past couple of months, we have been actively developing our Cozystack Open Source platform, and today we’re presenting the…
Cozystack v0.22 Release: telemetry, patched Talos v1.9.1, new entities Workload andWorkloadMonitor
Main changes
Introducing the Pre-New Year Release of open source platform Cozystack v0.21:
The dashboard now works directly with the Cozystack API instead of relying on FluxCD resources. This enhancement enables the platform to…
The Inevitable Future of Kubernetes: Why the Orchestrator Should Follow the Path of the Linux…
At KubeCon + CloudNativeCon in Chicago on November 9, Tim Hockin, one of the early developers of Kubernetes, delivered a talk (here’s a…
Cozystack v0.20 Release: Terraform, Keycloak, and Stability & Security Improvements
This release focuses on enhancing stability while addressing a significant number of bugs and introducing new features.
How we built a dynamic Kubernetes API Server for the API Aggregation Layer in Cozystack
Hi there! I’m Andrei Kvapil, but you might know me as @kvaps in communities dedicated to Kubernetes and cloud-native tools. In this…
kubectl-node-shell plugin updated to v1.11.0
We have updated the kubectl-node-shell plugin to v1.11.0.
Cozystack v0.18
🔥 Public API for Cozystack
What’s New in Cozystack v0.17
This update mainly focuses on enhancing the platform’s virtualization features, while also introducing several other improvements.
The Open Source Platform Cozystack Version 0.16.0
Key Highlights Cozystack now features an alert system based on the open-source tool Alerta, with the ability to configure notifications…
Cozystack has officially been included in the CNCF Landscape
You can now find the Cozystack open source platform in the CNCF Landscape categories of Platform and Certified Kubernetes — Installed…
Issue with Configuring Registry Mirroring in Harbor
Today, there was an interesting case with setting up registry mirroring in Harbor. Harbor allows you to create a proxy repository for…
Managed Kubernetes in open source platform Cozystack: why we’re doing this
Managed Kubernetes Service is a Kubernetes API in your cloud, allowing your users to request services and utilize resources from your…
Installing a Kubernetes Cluster Managed by Cozystack: A Detailed Guide by Gohost and Ænix
This article was written by Vladislav Karabasov from Kazakhstani hosting company gohost, therefore the narrative will be conducted in the…
Cozystack v0.11
The Cozystack v0.11 release is now available for download, installation, or updating current installations.
Migrating FreeIPA from CentOS 7 LXC container to Rocky Linux and new COSI driver for SeaweedFS
Hi there! We are glad to share our last updates.