On Tue, Nov 13, 2018 at 01:46:39PM +0100, 'Ahmed Al Aqtash' via qubes-users 
wrote:
> Den tir. 13. nov. 2018 kl. 13.38 skrev unman <[email protected]>:
> 
> > On Tue, Nov 13, 2018 at 04:31:49AM -0800, aaq via qubes-users wrote:
> > > tirsdag den 13. november 2018 kl. 12.26.58 UTC+1 skrev unman:
> > > > On Tue, Nov 13, 2018 at 12:00:40AM -0800, aaq via qubes-users wrote:
> > > > > Hello!
> > > > >
> > > > > I have broken the GUI in dom0 in some weird way.
> > > > > I tried to install KDE, then I tried to remove it again, before
> > realising that I was fine with having it. Unfortunately, when I wanted to
> > reinstall it, dnf kept saying that I already had the group installed, so I
> > couldn't just run the `sudo qubes-dom0-update @kde-desktop-qubes`.
> > > > >
> > > > > I ended up doing a `sudo dnf remove @kde` in dom0, which resulted in
> > the package `qubes-gui-dom0` being deleted. I assume this is the package
> > that is needed to show GUI from different VMs.
> > > > >
> > > > > Basically, dom0 works fine. All of dom0 GUI works as intended, I am
> > happily using KDE and SDDM. With that being said, none of my VMs work, so I
> > can't really use my machine for anything.
> > > > >
> > > > > I found this thread
> > https://groups.google.com/forum/#!topic/qubes-users/7GeA1_xCeTg
> > > > >
> > > > > But I cannot start VMs with `--no-guid` flag. I cannot for the love
> > of my life get the package back.. I haven't cleared my cache or anything,
> > but for some reason I am not able to install `qubes-gui-dom0` again without
> > a network connection. Since my VMs don't start properly, I don't have
> > network.
> > > > >
> > > > > Is there any solution to this :S
> > > > >
> > > > > PS: I backed up all my VMs the other day (happy coincidence) so I
> > guess I could just reinstall, but I am quite happy with my current install
> > :(
> > > > >
> > > > > Thanks for any input!
> > > > >
> > > >
> > > > The obvious solution would be to download the files in another machine
> > > > and then transfer them to dom0 using a transfer disk.
> > > > If you're on a laptop and have a sys-usb set up then you will need to
> > > > interrupt boot and edit the kernel parameters to remove the section
> > that
> > > > says rd.qubes.hide_all_usb  - that will allow you to connect USB to
> > > > dom0 at some cost to your security.
> > > >
> > > > If you dont want to do that we can try troubleshooting your inability
> > > > to start headless qubes.
> > > > If you wnat to do that then try starting just sys-net from the command
> > > > line and check the logs, and report back any error from the logs or
> > > > command line.
> > >
> > > Thank you so much for you time!
> > > When having all Qubes shutdown, I run
> > > qvm-start --verbose sys-net
> > >
> > > No feedback in the terminal. I cannot seem to find anything in the logs
> > that might seem interesting either. I don't know if I am looking the wrong
> > places.
> > >
> > > I looked into /var/logs/qubes/ and then anything with sys-net in it. I
> > also looked at the xen logs for the VM, but again, I can't seem to find
> > anything special that stands out.
> >
> > You havent said what version of Qubes you are running.
> > What happens when you run qvm-start --verbose sys-net again?
> >
> 
> I am running Qubes OS 4.0.0, only vanilla repos, only stable.
> 
> Nothing happens when I run qvm-start --verbose sys-net. It just starts as
> if nothing is wrong. No feedback in the terminal.
> If I run it again, while sys-net is running, is simply outputs that sys-net
> is already running.
> 

That's good.
Can you confirm you're using sys-firewall as updateVM?
qubes-prefs in dom0 - look at value for updatevm

If so, when you start sys-firewall, and try again, do you get the same
response?

What is the output when you attempt the install? 

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