i had a diff on tech@ with the subject line "port booting kernels from efi system partitions to amd64" that would be useful in situations like these. it enables you to put the openbsd boot loader and a kernel like bsd.rd on the efi boot partition and boot them.
> On 28 Nov 2025, at 06:45, Piotr K. Isajew <[email protected]> wrote: > > On Tue, Nov 25, 2025 at 06:49:24PM +0000, Charlie wrote: > >> >> I've rented an OVH dedicated server and I'm trying to install >> OpenBSD 7.8 instead of Ubuntu 24.04. > > When I installed OpenBSD on my OVH servers, I used rescue image + > qemu path. You can refer to this for inspiration: > > https://community.ovhcloud.com/community/en/installing-operating-system-from-custom-image-on-ovh-vps-centos-8-tutorial?id=community_question&sys_id=7e463d8881d28210f0780f07683eb220 > > things to remember: > > - after installation you need to tune fstab to correct physical > device names outside of the VM (same goes for network > interfaces) > > - installing in qemu will install bsd.sp which most likely you > want to replace with bsd.mp > > >

