News & Insights

Technical insights, industry trends, and news from the world of Ceph, Kubernetes, and enterprise infrastructure.

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Migrating virtual machines from VMware to Proxmox VE

July 2026

How to Migrate from VMware to Proxmox VE: The Complete Guide (2026)

Since Broadcom took over VMware, perpetual licenses are gone, everything is subscription and bundled, and renewal quotes for SMB and mid-market teams have jumped several-fold — for the same hypervisor you already run. This guide is the realistic migration path to Proxmox VE: what moves as-is, what needs preparation, where teams get hurt, and — honestly — when staying on VMware is the right call.

Sven VöllmeckeRead more

Further Articles

Four Mac minis on a rack shelf in a data center

Oct 13, 2026•Sven Völlmecke

Mac mini colocation for AI agents: running a fleet of Mac minis in a Frankfurt data center

30 Mac minis with AI agents in a Frankfurt rack: €39 per machine and month, switched outlet, isolation and dual feed included. Costs, setup, limits.

Sep 30, 2026•Sven Völlmecke

Multi-tenant Kubernetes on one Ceph cluster: isolating RBD and CephFS per tenant with ceph-csi

One Ceph cluster, many Kubernetes tenants: the CephX cap set, RADOS namespaces and mgr grants that stop cross-tenant CephFS access — and the ISO 27001 evidence.

Sep 15, 2026•Nikola Jerkovic

Proxmox VM migration without losing the public IP: BGP, FRR and NetBox, with an open-source network-reconciler

Proxmox HA moves the VM, not its public IP. How we route public IPs to migrating VMs with BGP/FRR and NetBox, with measured downtime and open-source code.

Sep 7, 2026•Sven Völlmecke

Microsoft 365 Exit: Sovereign Email After the July 2026 Price Increase

Microsoft raised 365 prices in July 2026 — with an AI surcharge built in. What the increase costs, who should leave, and how a sovereign email exit works.

Ceph RGW as a production-grade alternative to MinIO object storage

Aug 21, 2026•Sven Völlmecke

Ceph vs MinIO in 2026: the comparison changed on 25 April

MinIO's new license changes the calculus. Why Ceph is the open-source object storage alternative teams are migrating to in 2026.

Managed Kubernetes cluster in Germany as an alternative to AWS EKS

Aug 11, 2026•Sven Völlmecke

AWS EKS Exit: Managed Kubernetes in Germany — Costs & GDPR

What EKS really costs — control plane, NAT, egress, support — and where GDPR audits push back. The math for a dedicated Kubernetes cluster in Germany, from 199 €/month.

Jul 30, 2026•Sven Völlmecke

How to Migrate from VMware to Proxmox VE: The Complete Guide (2026)

Coolify security vulnerabilities and CVEs in 2026

Jul 17, 2026•Pascal Ehlert

Is Coolify Safe? What the 2026 CVEs Mean — and How to Lock It Down

11 critical Coolify CVEs, five rated CVSS 10.0, 52,890 exposed instances — 15,000 in Germany. What happened, who is actually at risk, and a lock-down checklist.

Keycloak vs Auth0 self-hosted identity management comparison

Jul 8, 2026•Sven Völlmecke

Keycloak vs Auth0: The Self-Hosted Alternative, Compared

Auth0 prices per active user and jumps to $240/mo just for SAML. Keycloak does the same job, self-hosted and open source. A fair comparison — features, cost, and the catch.