On April 29, 2005, two Linux developers in Vienna, Dietmar and Martin Maurer, released Proxmox Mail Gateway and registered the GmbH. Three years later came Virtual Environment: OpenVZ + KVM, a browser, Debian. In 2026, Proxmox VE 9.2 (May 21) runs kernel 7.0, QEMU 11, and LXC 7 … Read more
XenServer is the product. Xen is the hypervisor. The confusion has lasted nineteen years: XenSource packages Cambridge’s work, Citrix buys it for half a billion, renames it Citrix Hypervisor, private equity restores the name, and in July 2026 XenServer 9 becomes “Citrix” again and supports every kind of workload — not just desktops. … Read more
On January 15, 2007, a GmbH in Weinstadt, Germany, released the code of the hypervisor it used with government and banking customers. The product was called VirtualBox. Within a year, it exceeded four million downloads; in February 2008, Sun bought Innotek; in January 2010, Oracle arrived. Nineteen years … Read more
Moving a VM from VirtualBox or VMware to XCP-ng (or XenServer) usually becomes a ritual: export OVA, convert the disk by hand, and wrestle with xe. ova2xva is a Go CLI (MIT) that handles the trip in both directions in a single binary — converting an OVA or standalone disk … Read more
