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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

Two server blocks on a dark platform, a mint arrow leads from the dim Squid block to the glowing Tentacle block with a key icon. Headline: Squid ends 31 October. Upgrade to Tentacle.

12 min read

Ceph Squid reached end of life on 31 October: how to upgrade to Tentacle, and the CephX keys to rotate on the way

Ceph Squid reached end of life on 31 October 2026. What Tentacle changes, the upgrade order for cephadm and Proxmox, and the CephX keys to rotate.

Four Mac minis on a rack shelf in a data center

14 min read

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.

One Ceph Cluster. Every Tenant Sealed.

11 min read

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.

Proxmox VM migration without losing the public IP

13 min read

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.

Microsoft 365 Exit

7 min read

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

8 min read

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

6 min read

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.

Migrating virtual machines from VMware to Proxmox VE

8 min read

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.

Coolify security vulnerabilities and CVEs in 2026

9 min read

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

11 critical CVEs in January, more through the summer, an OAuth account takeover in September and PHP2Shell in October. What happened, who is actually at risk, and a lock-down checklist.