Install VirtualBox from https://www.virtualbox.org
sudo apt install virtualbox-ext-pack
Download VDI image from https://www.home-assistant.io/installation/linux
VBoxManage createvm --name HomeAssistant --ostype Linux26_64 --register
VBoxManage modifyvm HomeAssistant --cpus 2 --memory 2048 --vram 12 --firmware efi
VBoxManage storagectl HomeAssistant --name "SATA Controller" --add sata --bootable on
VBoxManage storageattach HomeAssistant --storagectl "SATA Controller" --port 0 --device 0 --type hdd --medium hoas_ova-14.2.vdi
VBoxManage modifyvm HomeAssistant --nic1 bridged --bridgeadapter1 enp2s0f0
VBoxManage storageattach HomeAssistant --storagectl "SATA Controller" --port 0 --device 0 --nonrotational on --di
VBoxManage modifyvm HomeAssistant --defaultfrontend headless
VBoxManage modifyvm HomeAssistant --vrde on
VBoxManage startvm HomeAssistant --type headless
You can then go to the url http://homeassistant.local:8123/onboarding.html