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Proxmox HDMI output for one VM-container (feddit.it)

submitted 1 year ago by [email protected] to c/[email protected]

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Hi everyone, I'm planning to experiment with my first home server (jellyfin,nextcloud,bitwarden etc) running on a "old" Thinkcentre i5-7th. I'm thinking using proxmox in order to experiment with different configuration and I was wondering if it's possible to have a single container/vr (with Libreelec) output HDMI to my TV, and keep other VM's headless and controlled from another PC when needed.

Are there some particular setting or nwebie suggestion that could help me achieve that? Also, do you think proxmox is a good choice, or it's better stick to a single debian/ubuntu server OS?

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[–] [email protected] 2 points 1 year ago

I do this with proxmox on a Lenovo tinypc. However I'm using a Nvidia gpu for passthrough. Was awhile ago I set it all up. I remember it being fairly complex. Here is a super basic instruction for it. Possibly incomplete.

Check you have iommu enabled in efi/bios. (For Intel - enable vt-d)

Install drivers if necessary (again nvidia)

Blacklist device on proxmox host

Setup GPU passthrough (vfio) - assign the card video and audio to the guest vm.

Start vm and test

If you are using onboard card, you can probably blacklist it and use it for your vm.. I'm not entirely sure how proxmox deals with losing its primary display.. I expect it'll cope ok. SSH for everything. Probably need to use virtio drivers. Install within guest..