this post was submitted on 07 Feb 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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GPU passthrough requires two GPUs, a system with compatible components, a lot of caffeine and a lot of patience. Not something for someone who wants something that just works.
It only requires it if you want the host to have a gpu, too. Otherwise, single-gpu passthrough is very much possible
The chasm between "possible" and "click this option to enable" is vast.
My experience with single GPU passthrough on Proxmox to a media VM was pretty positive, especially for it being an old Nvidia card. Even as someone doing it for the first time, it just took about 10 minutes to figure out the passthrough itself and another ~15 to figure out some driver issues. And it's worked perfectly since then. All in all much better than what I'd expected.
And your hardware supports it. It's still a recent-enough thing that not all hardware does. My old laptop with a 1070 nVidia does not, for example. Sure it's not a new machine, but it's also not that old and is the sort of thing a self-hoster would typically be using as a makeshift server. My other systems are even older...
The GPU I used is actually a 1080, with a (rapidly declining in usefulness) Intel 4690k. But I suppose laptop vs desktop can certainly make all the difference. What I really want is GPU virtualization, which I've heard AMD supports, but I'm not about to buy a new GPU when what I've got works fine.
My understanding is that it's a combination of GPU and motherboard. It'll be great once this has been done long enough that 10yr old hardware supports it though.
GPU virtualization I haven't heard of - thanks! I'll look into that.