I built the 2.94 ISO.
There is no reason to continue with the ISO now the release version is in
Debian Trixie.
Users today want and expect to be able to run the latest version of Debian.
They also want and need a simple way to install the development version. Some
GUI's require this. Please extend workflows to 2.10
The ISO exposes us to Debian bugs (like the raspberry pi firmware bug in the
Debian build system that was never resolved for the life of bookworm)
We get blamed for these bugs outside of our control
It forces us to deal with issues that are outside of our core expertise when we
are already stretched for development resources.
With the mainline release, Users just need to be capable of a one line install
at the command prompt or use synaptic.
They also can obtain linuxcnc on other architectures that Debian builds for.
I've created a video guide to installing Trixie and 2.94.
https://youtu.be/_4Ryh37wU2o
The bigger issue that can't be resolved in an ISO is the need to tune a
PREEMPT_RT system and our documentation is totally silent about that, This
requirement has been well known in the Linux Real time community for a long
time but documentation on settings is sparse. Newer operating systems make
this more necessary than in the past. We have never addressed this in our
docs.
Rod.
On 2025-11-04 23:28, Morten Hanasand <[email protected]> wrote:
> I think keeping the .ISO is hugely important to lowering the barrier to
> entry.
>
> Has there been any further discussion about the idea of a foundation or
> similar to allow funding contributions which could pay for things like
> dedicated build, web, forum, backup servers, testing hardware, foot
> massages etc? Think there might be a surprising amount of willingness to
> contribute financially.
>
> If that's too daunting, there are things like this, which take some of
> the scary legal stuff out of the equation while still clarifying
> ambiguity, and allowing for raising funds,
> https://commonsconservancy.org/how/
> Think they also have some functionality for preserving essential
> information should someone withdraw or disappear from the project abrubtly.
>
> Morten
>
> On 04/11/2025 10:14, andy pugh wrote:
> >
> > At the moment I think I come down on the side of keeping our custom
> > .ISO, as many of our potential users are very much not Linux
> > enthusiasts, and we should make installation as simple as possible,.
> >
> > (However, the latest .ISO I created doesn't actually install on one of
> > my tests PCs, and distributing an ISO that doesn't work is probably
> > worse than distributing no ISO at all.)
> > (If anyone want to try it, I think it is this one here:
> > https://www.linuxcnc.org/iso/linuxcnc_2.9.6-amd64.hybrid.iso It should
> > install Trixie but seems to not show the correct splash-screen in UEFI
> > mode (minor issue) but also, on my N100-DC, crashes to a pink flashing
> > screen in the last stages of the install, leaving a system that boots
> > to a grub prompt)
> >
>
>
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