is dom0 based on Fedora 25?

[seshu]

When I do updates of dom0 I notice it is downloading Fedora 25?

I ask because I'm trying to figure out how to compile a NVIDIA driver for my system and wondering what source files I would need.

Also, I notice that RPMFusion is no longer keeping the source files to compile the nvidia driver. Anyone know where I can get these files?

Thanks!

[Chris Laprise]

Yes, its fedora 25.

A simpler route is to use integrated Intel/AMD graphics which are better
supported. It won't make a difference as far as speed goes.

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[seshu]

Thanks.

I do understand the integrated graphics might be preferable. It's just that I already have the geforce 1070 card on my desktop system. It turns out the nouveau drivers work fine out of the box. my 4.0.1rc2 is running fine. As I've been learning alot over the last month about qubes, linux, security, hardware, etc. I wanted to see if I could make the nvidia driver work. If it doesn't that's ok, because the nouveau driver is fine. Since I've already paid for the 1070 card, I thought I would see what it takes to make it work with the proprietary driver.

[John Smiley]

I have a 1080 Ti in one of my Qubes boxes and haven't had any trouble with the out-of-the-box install with 4.0.1-rc2. This box is dual boot to Win10 when I want to play games (it was a gaming rig before it was a Qubes box). May I ask what you need to do that requires the Nividia driver?

[seshu]

On Thursday, December 27, 2018 at 7:15:36 PM UTC-7, John Smiley wrote:
> I have a 1080 Ti in one of my Qubes boxes and haven't had any trouble with the out-of-the-box install with 4.0.1-rc2. This box is dual boot to Win10 when I want to play games (it was a gaming rig before it was a Qubes box). May I ask what you need to do that requires the Nividia driver?

It's not that I have a specific need. As you mention, the default nouveau driver is working fine. I'm not a gamer etc. I have noticed that when i'm watching a streaming movie and i'm scrolling in another window it does affect the movie that is being streamed.

So, I'm simply trying to learn more about how drivers work, how they are installed or handled on linux systems, etc. In the future, I may want to have a desktop or laptop system that uses the workstation graphics cards, as some of the work I do could benefit from that. And those cards are more effective with proper drivers, etc. So, I'm just using this time of testing and getting to know the release candidate qubes.

[John Smiley]

I can’t think of anything that one would want to run in dom0 that needs Nvidia. In general, the only software that should be run from dom0 is to manage the system. If you find yourself typing something on a dom0 window that isn’t straight out of the Qubes docs. Stop and think and be sure that what you are about to do could not open an attack vector.  Not probably won’t not I doubt it. Could not. This assumes you are using Qubes to provide the most secure environment you reasonably can. If you don’t care about that and just want to play with stuff, go for it. One might question the choice of Qubes to play with if that were the case...

You can learn about how Linux handles drivers in general and Nvidia proprietary drivers for you Nvidia GPU in particular, by installing your favorite Linux distro and start Googling. There is a lot of material out there. I know because I read a lot of it due to dumbass problems I encountered running Linux with an Nvidia driver on a dual monitor setup. I found that Pop! OS 18.10 comes with the best GeForce support out of the box if you install their Nvidia native version. 

Unless you need CUDA and have a Quadro, not a gaming GPU like the GeForce or RTX line, there are few good reasons to run Linux on Nvidia. Best support is Intel embedded GPU for typical Linux use cases. My Intel Core i7 7820X doesn’t have a built in GPU and that box was built for gaming before I thought to run Linux on it, so I payed the price of wasting time getting it to work reasonably well. If I were choosing hardware for Linux, Ndidia would be the first thing to be removed from consideration (unless I was mining cryptocurrency and then I would have Quadro on the list)

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[John Smiley]

Btw, my next hardware purchase was specifically to run Linux with minimal fuss (Linux will run on just about anything if you invest the time to learn and iterate on fussing with it). I didn’t want to do that (been there, done that, too damned old to waste time) I wanted something that was as powerful as I could find that also would run Ubuntu or some othe popular distro straight out of the box.

I started with a System76 Orynx Pro with almost maxed out hardware, taking a slight perf hit by avoiding the top of the line CPU which had vPro, 1070, 15” 4K, 32GB, etc. I loved it at first. It was perfect except for one crucial thing. It would only run on the battery for an hour. I sent it back.

Next I bought a Dell XPS 15 9575, their latest version, with maxed out hardware. Dell doesn’t offer that line with Ubuntu preinstalled, but the XPS 13 does and I figured the big brother would be just as easy. No. It’s very different. After futzing with it for a week I returned it as well.

I researched far and wide and decided to drop down a level and not aim for the very latest hardware. I ended up with a Thinkpad T480 with i7 quad core, Intel graphics, 2k display, 32GB memory, etc. And it was in sale for 70% off. Done. I love that little guy. It runs everything with nary a compant. I tried Ubuntu, Fedora, Pop!, Debian, and Manjaro. They all installed and ran without me having to do anything special. I was about to settle on Ubuntu even though they made some choices I didn’t like, but for a no fuss system, it’s hard to beat Ubuntu. Then i discovered Qubes. The rest is history. Futzing became my new way of life but I felt I was spending that time fruitfully. So far am happy with the choice.

[Andrew David Wong]

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On 12/27/18 4:40 PM, Chris Laprise wrote:
> On 12/27/2018 05:12 PM, seshu wrote:
>> When I do updates of dom0 I notice it is downloading Fedora 25?
>>
>> I ask because I'm trying to figure out how to compile a NVIDIA
>> driver for my system and wondering what source files I would
>> need.
>>
>> Also, I notice that RPMFusion is no longer keeping the source
>> files to compile the nvidia driver. Anyone know where I can get
>> these files?
>>
>> Thanks!
>>
>
> Yes, its fedora 25.
>

For future reference, this information is documented for each Qubes
version here:

https://www.qubes-os.org/doc/supported-versions/#dom0

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org

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[seshu]

Thanks Andrew. I missed this in the docs.

[Frank Beuth]

On Fri, Dec 28, 2018 at 08:58:37PM -0800, John Smiley wrote:
>
>I researched far and wide and decided to drop down a level and not aim for the
>very latest hardware. I ended up with a Thinkpad T480 with i7 quad core, Intel
>graphics, 2k display, 32GB memory, etc. And it was in sale for 70% off. Done.
>I love that little guy. It runs everything with nary a compant. I tried
>Ubuntu, Fedora, Pop!, Debian, and Manjaro. They all installed and ran without
>me having to do anything special. I was about to settle on Ubuntu even though
>they made some choices I didn’t like, but for a no fuss system, it’s hard to
>beat Ubuntu. Then i discovered Qubes. The rest is history. Futzing became my
>new way of life but I felt I was spending that time fruitfully. So far am
>happy with the choice.

If anyone has ever run Qubes without futzing, what was the trick? Using
well-supported hardware? A previous life as a Fedora admin? Voodoo incantations
every morning?

[unman]

Well supported hardware is the key, I think. If you spend some time
researching HCL and available options, then pain can be minimised.
And, of course, having a system set up for you is ideal. It's that that
can make Qubes work for people who don't know admin or voodoo.