bug#37005: Add ability of modifying connection before full installation

[bo0od]

https://github.com/QubesOS/qubes-issues/issues/5492

Mostly they created qubes without thinking into having this feature.

Julien Lepiller:
> Alt+arrow might work, unless you're already on a tty on qubes? Depending on the 
> VM techno qubes uses, there might also be a way to switch tty within the VM by 
> ussing some control sequence.
>
> Le 22 décembre 2020 20:18:57 GMT-05:00, bo0od <bo0od@riseup.net> a écrit :
> > You cant switch to another tty in VM of qubes because trying it will
> > switch you to tty of the Qubes itself not the VM within Qubes.
> >
> > Julien Lepiller:
> > > Before starting the installation, you should be able to switch to
> > another tty and configure network from there. Then continue
> > installation from tty1. Does it solve your issues?
> > > Le 21 décembre 2020 21:56:03 GMT-05:00, bo0od <bo0od@riseup.net> a
> > écrit :
> > > > No, after adding hostname it check for connectivity and after that
> > it
> > > > shows red screen with message "The selected network does not provide
> > > > access to the internet, please try again." and you cant pass that
> > > > message/connectivity check.
> > > >
> > > >
> > > >
> > > > zimoun:
> > > > > Hi,
> > > > >
> > > > > Sorry for the long delay.
> > > > >
> > > > >
> > > > > On Sun, 11 Aug 2019 at 06:31, bo0od <bo0od@riseup.net> wrote:
> > > > >
> > > > > > Im trying to install Guix over Qubes and to do so it needs
> > manually
> > > > > > adding of IP,DNS,Gateway (because its installed over xen
> > > > virtualization)
> > > > > > But im always facing the issue of not connection failed and reback
> > > > to
> > > > > > the older step and then again and again with no success to bypass
> > > > this
> > > > > > step.
> > > > >
> > > > > I think this is fixed in the installer at least v1.2.  Could you
> > > > > confirm?
> > > > >
> > > > >
> > > > > All the best,
> > > > > simon