All Questions
33
questions
0
votes
1
answer
4k
views
How do I import qcow2 VM images in ovirt via Admin Portal?
With oVirt node and engine VM installed, I've added my qcow2 image to the export domain (/nfs/export). I've tried in both the base dir of export domain, and also in the following (where /nfs/export/...
CommunityBot
- 1
27
votes
1
answer
18k
views
What is the difference and relationship between kvm, virt-manager, qemu and libvirt?
I investigated this topic and here are my conclusions (But I still have questions. And please correct me if I made any mistake in my conclusions):
VMWare:
VMWare developed its VM Hypervisor SW in 1999,...
- 27
2
votes
1
answer
3k
views
How to(Libvirt) attach floppy image device to guest VM?
Say, I have floppy.vfd image.
How should I fill my xml file in order to attach floppy image?
I have template like
<disk type='*' device='*'>
<device name='*' type='*'/>
<...
- 5,613
0
votes
0
answers
35
views
same ip range and subnet in 2 different bridges
I am trying to create 2 different virtual networks in the same ip range (not using NAT) in virt manager.Doesn't work with the gui or editing the xml of the new virtual network . Is the best way to ...
- 1
1
vote
0
answers
167
views
AMD GPU pass-through doesn't work on Windows 7 (even though NVIDIA works)
I have a multi-gpu VM setup (Nvidia GTX 970 and AMD RX 6600) with Windows 7, Windows 10, macOS virtual machines. I pass GPU directly to a guest operating system (isolate from host-os and pass them ...
- 43.1k
0
votes
1
answer
3k
views
How to Reach QEMU VM's with IP Address (Optionally Static)?
Situation
I have two QEMU KVMs (named master and worker, respectively) running on my laptop. The VMs use the headless server edition of Ubuntu 22.04, and the laptop is running Mint.
Goal
I want three ...
- 465k
4
votes
1
answer
3k
views
Can I get more screen resolution options for a QEMU virtualized Windows using a VirtIO graphics card?
When virtualizing e.g. a Windows 10 installation with QEMU and using the default graphics card (with no command line option set), it shows up as a "Microsoft Basic Display Adapter", and one ...
- 165
2
votes
1
answer
8k
views
virt-manager - spice-guest-tools not working on Windows 10 guest
Host: Debian Bullseye
Guest: Windows 10 20H2
Hypervisor Details:
Hypervisor: KVM
Architecture: x86_64
Emulator: /usr/bin/qemu-system-x86_64
Chipset: Q35
Firmware: BIOS
Windows in the VM is running ...
- 1
3
votes
1
answer
6k
views
QEMU/KVM - Getting "Error connecting to graphical console: Error opening Spice console SpiceClientGtk missing" when trying to create a VM
I am trying to create a virtual machine using QEMU/KVM. I am getting an error:
Error connecting to graphical console: Error opening Spice console SpiceClientGtk missing
I have looked around but ...
- 3,341
1
vote
0
answers
374
views
How to disable buffering for a LVM partition under QEMU KVM
I'm using Windows 10 under QEMU KVM on a Fedora 27 box. Disk for a VM is attached as a raw LVM partition with cache=none.
<disk type='block' device='disk' >
<driver name='qemu' type='raw'...
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3
votes
0
answers
4k
views
Virsh doesn't list virtual machines
On arch, I set up a number of VMs using virt-manager. My user is part of the libvirt group, and I can access virsh, but virsh list without root access doesn't list the VMs I created:
$ virsh list --...
- 1,472
2
votes
0
answers
759
views
libvirt and hotswappable single USB port with virt-manager - almost there?
Description
USB not visible on Debian guest. I cannot see anything obvious from the logs but because I do not have much virtualisation experience I assume I missed a step in the configuration, ...
3
votes
2
answers
818
views
Possible to move a guest OS on VirtManager (Linux) to Windows?
For VirtualBox or VMware Workstation,one could copy the guest OS data directory to another computer and run it there. For example, I could create a guest OS on Linux, and then copy the guest data ...
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1
vote
1
answer
4k
views
Unable to load Nvidia drivers in QEMU virtual machine
I have an Ubuntu Server 20.04 LTS on an Alienware Aurora R6 (i7-7700 CPU with a Nvidia GTX 1080). I am relatively new to type-1 hypervisor and have some experience with type-2 (VirtualBox).
On the ...
- 735
32
votes
3
answers
73k
views
libvirt: "Failed to initialize a valid firewall backend"
I'm trying to set up a virtual NAT network device without DHCP for libvirt on an Arch Linux host.
What I have tried:
# virsh net-define network.xml
Network default defined from network.xml
[...
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