Using Umbrel
Installing UmbrelOS in VM
Using OracleVM, set up a new machine as usual. You will need to manually select Linux and Oracle Linux (64-bit) and also be sure to Enable EFI.
After installing the medium to the disk the machine will turn off. Change the boot order ot only include the hard disk. Go to storage and click on the installation disk. There is an option to eject the disk on the far right.
You can then navigate to umbrel.local in the browser.