Fwiw: https://www.qemu.org/
-- Russell Senior [email protected] On Sat, Jul 27, 2024 at 10:15 AM Ted Mittelstaedt <[email protected]> wrote: > > There's tools in quemu to convert a VirtualBox VM to the qcow2 format. > > If anyone is interested I'd be happy to post a complete set of instructions > for going from bare metal to Ubuntu 24.04 server, > Running KVM, Copilot, and virt-manager. > > I've used Copilot to create a Windows 11 Pro guest VM under this setup > although I use virt-manager for more advanced configuration of guest VMs. > The Ubuntu server is run "essentially headless" that is there is no GUI on > it, the idea is, similar to how VMWare ESXi is built, to devote all CPU and > other resources on the Hypervisor server to the guest VMs. > > "back in the day" when we were running 32 bit VM guests there was > considerable advanced programming in writing a hypervisor since you were > emulating cpu instructions. > > But these days most of the heavy lifting is handed over to the CPU which does > the actual work of creating a virtual machine. There's really not much > difference under the hood between the KVM+quemu, virtualbox, or Microsoft > hyperv hypervisors. > > The big difference is how much iron you can throw at it. > > Ted > > -----Original Message----- > From: PLUG <[email protected]> On Behalf Of Dick Steffens > > > I am personally stuck with vBox for legacy VM instances, which I am > > not able to rebuild. I find linux native KVM+quemu more performant and > > better choice for new VMs. It has been mature for good number of > > years. I would recommend it over vBox to anyone on linux creating new VMs. > > I'll consider that some day. My use is limited, and it works. Some day it may > be worth the effort to give KVM+quemu a try. > >
