On 2/3/26 5:15 PM, Samuel Sieb wrote:
On 2/3/26 5:12 PM, Paolo Galtieri wrote:
On 2/3/26 5:01 PM, Samuel Sieb wrote:
On 2/3/26 4:43 PM, Paolo Galtieri wrote:
When I try to create a VM of F43
virt-install --name ubuntu-vm-01 --ram 8192 --vcpus 2 --disk path=/
run/ media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/ubuntu-
vm-01,size=50 --cdrom /run/media/pgaltieri/SDNVIRTLAB06/
OperatingSystems/Ubuntu/ubuntu-24.04.3-desktop-amd64.iso --network
network=default --os-variant ubuntu-stable-latest
I get
Starting install...
Allocating 'ubuntu-vm-01' | 50 GB 00:00:08
Removing disk 'ubuntu-vm-01' | 00:00:00
ERROR Network not found: no network with matching name 'default'
Domain installation does not appear to have been successful.
If it was, you can restart your domain by running:
virsh --connect qemu:///session start ubuntu-vm-01
otherwise, please restart your installation.
Looking at the available networks
virsh net-list --all
Name State Autostart Persistent
----------------------------------------
no default network, on the other hand
sudo virsh net-list --all
Name State Autostart Persistent
--------------------------------------------
default active yes yes
So what do I need to do to create the default network?
Are you trying to run "virt-install" as a user?
Add your user to the "libvirt" group and add "--connect qemu:///
system" to your commands.
You probably can't create a network using the user session.
I'm in the group
libvirt:x:385:pgaltieri
And this problem is only in F43, on Ubuntu it works fine
virsh net-list
Name State Autostart Persistent
--------------------------------------------
default active yes yes
when run as a regular user after using virt-install to create my VM.
grep libvirt /etc/group
libvirt:x:126:pgaltieri
libvirt-qemu:x:64055:libvirt-qemu,pgaltieri
libvirt-dnsmasq:x:127:
Is there some step I missed after installing the kvm/libvirt packages?
I don't know what Ubuntu does differently, but it seems insecure unless
it has a default connect to the system libvirtd. Just add that
parameter I gave you or use "sudo".
Here is what I tried:
sudo virt-install --name u24-vm-01 --ram 8192 --vcpus 2 --disk
path=`pwd`/u24-vm-01,size=50 --cdrom
/run/media/pgaltieri/SDNVIRTLAB06/OperatingSystems/Ubuntu/ubuntu-24.04.3-desktop-amd64.iso
--network network=default --os-variant ubuntu-stable-latest
Here is the result
Starting install...
Allocating 'u24-vm-01'
| 50 GB 00:00:08
Removing disk 'u24-vm-01'
| 00:00:00
ERROR internal error: QEMU unexpectedly closed the monitor
(vm='u24-vm-01'): 2026-02-04T16:36:09.090428Z qemu-system-x86_64:
-blockdev
{"driver":"file","filename":"/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01/u24-vm-01","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}:
Could not open
'/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01/u24-vm-01':
Permission denied
Domain installation does not appear to have been successful.
If it was, you can restart your domain by running:
virsh --connect qemu:///system start u24-vm-01
Here are the directory permissions for
/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01
drwxrwxrwx 1 pgaltieri pgaltieri 48 Feb 4 08:36 ./
Additionally I get SElinux alerts
SELinux is preventing rpc-virtstorage from unlink access on the file
u24-vm-01
Using virt-manager as my user id fails
Unable to complete install: 'internal error: QEMU unexpectedly closed
the monitor (vm='u24-vm-01'): 2026-02-04T16:44:06.409645Z
qemu-system-x86_64: -blockdev
{"driver":"file","filename":"/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01/u24-vm-01","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}:
Could not open
'/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01/u24-vm-01':
Permission denied'
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/asyncjob.py", line 67, in
cb_wrapper
callback(asyncjob, *args, **kwargs)
~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/share/virt-manager/virtManager/createvm.py", line 1969, in
_do_async_install
installer.start_install(guest, meter=meter)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
File "/usr/share/virt-manager/virtinst/install/installer.py", line
722, in start_install
domain = self._create_guest(guest, meter, initial_xml, final_xml,
doboot, transient)
File "/usr/share/virt-manager/virtinst/install/installer.py", line
664, in _create_guest
domain = self.conn.createXML(initial_xml or final_xml, 0)
File "/usr/lib64/python3.14/site-packages/libvirt.py", line 4594, in
createXML
raise libvirtError('virDomainCreateXML() failed')
libvirt.libvirtError: internal error: QEMU unexpectedly closed the
monitor (vm='u24-vm-01'): 2026-02-04T16:44:06.409645Z
qemu-system-x86_64: -blockdev
{"driver":"file","filename":"/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01/u24-vm-01","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}:
Could not open
'/run/media/pgaltieri/SDNVIRTLAB06/VirtualMachines/KVM/VMs/u24-vm-01/u24-vm-01':
Permission denied
I get this SElinux alert
SELinux is preventing rpc-virtqemud from setattr access on the file
u24-vm-01
So far I have not been able to create a single VM on F43.
Paolo
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