On Fri, Aug 06, 2021 at 11:26:03PM +0200, Arnt Karlsen wrote:
> On Fri, 6 Aug 2021 20:20:15 +0800, Brad wrote in message
> <a02bce2c-6bee-2fad-875e-336020fa959e@???>:
>
> > On 6/8/21 5:12 pm, Andrzej Peszynski wrote:
> > >
> > >
> > > On 06.08.2021 06:25, Brad Campbell via Dng wrote:
> > >>
> > >> Why do you even need/want libvirt? I have several machines which
> > >> run qemu guests just using simple bash scripts to bring them up
> > >> (and all the bash script is there for is to hold the command line
> > >> parameters). I like libvirt and virt-manager for configuring and
> > >> customising the guests, but at the end of the day all that is is a
> > >> fancy front end to qemu.
> > > <snip>
> > >> If you are stripping the guts out of libvirt, why use it in the
> > >> first place?
> > > Brad, thanks a million! Learning is fun especially for a "apt
> > > install" man as I am. I am looking now at how I can simplify all
> > > this (may be stripping parts of QEMU too?), to keep running, and
> > > handle my configurations and resources binding. In the end, all
> > > what I need is executing in isolated ring the ELF of dozen of (not
> > > trusted) proxies, servers and libraries + resources balancing +
> > > isolated filesystems + sockets.
> > >
> > > From the other side, I think that the Type 1 hypervisor for desktop
> > > is also interesting thing, It's very tempting to have windowed
> > > multimachine with realtime switch capability.
>
> ..I get the idea that Andrzej and I are looking for Brad's kinda bare
> metal hypervisor Devuan install?
> We might come up with minimal net-install size install image as an
> alternative to https://en.wikipedia.org/wiki/Qubes_OS , only without
> systemd and based on Devuan.
>
> ..in Debian and Devuan we often have package conflict that means hold
> back upgrades or ditch good software we'd like to keep, those conflicts
> disappears when we can contain each of those old or new things in e.g.
> a vm.

Isn't this the kind of problem the Nix package manager obviates?
Wihout requiring anything as heavy as hypervisors?

-- hendrik