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Overview

Install Home Assistant OS as a VM on a Proxmox VE host that already has a working web UI, then open the onboarding screen on your LAN.

flowchart LR
  A["Download<br/>qcow2"] --> B["Create<br/>VM"] --> C["Import<br/>disk"] --> D["Start and<br/>prove"]
Step Page You end with
1 Download image Verified haos_ova-18.5.qcow2 on the host
2 Create VM Empty UEFI VM (haos) with no disk image yet
3 Import disk qcow2 attached as scsi0, boot order set
4 Start and prove Onboarding at http://homeassistant.local:8123

Out of scope

Proxmox host install, apt repos, clustering, Ceph, Supervised or Container installs, add-ons, HACS, and onboarding past the welcome screen. Host prep lives in the Proxmox VE walkthrough.

What you need