Ask Ubuntu
Ask Ubuntu

Questions tagged [virt-manager]

Questions regarding virt-manager, a GUI tool that allows the user to interact with KVM.

114 questions
31
votes
1 answer

Can't start KVM guest: "network 'default' is not active"

I use Virtual Machine Manager (virt-manager). Host: Ubuntu 18.04. Guest: Windows. After first shutdown I can't start it. I get this error message: Error starting domain: Requested operation is not valid: network 'default' is not active Traceback…
R S
  • 2,649
24
votes
2 answers

How to share a folder between KVM host and guest using virt-manager?

For some time now, I've been using virt-manager to manage my virtual machines. When I want to copy a file from the host to the vm, I have been using scp to copy via ssh over the network. This is kind of tedious, and there must be a way to share a…
andrewsomething
  • 37,702
19
votes
5 answers

How to share folder with Windows 10 guest using virt-manager (KVM)?

These instructions for sharing host files with a guest are not working because there is no /usr/bin/qemu-kvm.
R S
  • 2,649
19
votes
3 answers

Permission error in virtual machine manager

I am trying to install win8.1 as a guest on my Ubuntu 14.04 using KVM and virt manager. When I choose the path of the ISO file in virt manager, it throws this error: The emulator may not have search permissions for the path…
hussein ghasemi
  • 547
10
votes
2 answers

virt-manager launcher action to directly start and open a specific VM

I use virt-manager for my Qemu/KVM virtual machines. Booting a VM currently means launching virt-manager, selecting a VM to open it in the VM viewer and then finally turning the VM on. I would like to add a launcher context menu option for it that…
Byte Commander
  • 110,243
10
votes
3 answers

Virt-Manager to Remote host - continuous password prompt over ssh

I setup KVM on a remote host, and have a few .iso files out there that I want to play with. I setup Virt-manager initially on a Ubuntu-mate 15.10 machine, and it seemed to work fine (slow as heck starting the virtual machines) but worked. Now, I'm…
bmcgonag
  • 171
  • 1
  • 2
  • 12
8
votes
4 answers

Virt-Manager can't connect to graphical console

Since yesterday, I can't view any running VMs (QEMU/KVM) with my virt-manager GUI any more. When I try to view the screen of a VM in its built-in viewer, I get this error message instead: Error connecting to graphical console: internal error:…
Byte Commander
  • 110,243
8
votes
1 answer

Nested KVM won't work (guest freezes)

I'm running, as host, Ubuntu 19.10 with kernel 5.3.0-40-generic. In the guest, Ubuntu 18.04.4 with kernel 5.30.0-40-generic. When I launch the Android Emulator from Android Studio, the entire guest freezes. I tried 4.15.0-60 on guest, same problem.…
Poperton
  • 1,283
6
votes
3 answers

How to use OpenGL/3D acceleration in virt-manager with ubuntu?

Currently on Ubuntu 20.04 both as host and guest, I followed http://ryan.himmelwright.net/post/virtio-3d-vms/ and activated 3D acceleration on video, and OpenGL on dsplay, but on VM launch I get SPICE GL support is local only for now and…
Poperton
  • 1,283
5
votes
1 answer

How to do virtual networking (all types) in virt-manager?

Surprisingly, there is no documentation on the official site http://virt-manager.org/ I specifically need documentation on bridged / host-only / NAT virtual networking via the GUI.
melvincv
  • 51
5
votes
2 answers

Add armhf as a suppoted architecture for guest KVM VMs (on a amd64 host)

I have an Ubuntu Server 12.04 setup with about 6 KVM VMs running. Guests are all x86 or amd64, host is a 2-socket Westmere Xeon box. Now I want to create a new guest VM but this time the guest VM should run an armhf image (a Raspberry Pi…
mbello
  • 521
  • 4
  • 13
5
votes
1 answer

Is it a good thing to run virt-manager as sudo?

I just installed qemu-kvm and virt-manager. But when i run virt-manager by clicking the icon it is not connecting to kvm. But when i run $ sudo virt-manager KVM connects. i've been told that running GUI application with sudo is not a good thing. So…
user1589851
5
votes
1 answer

What is CPU topology in kvm virt-manager?

In KVM virt-manager what is the meaning of Sockets, Cores, and Threads ?
Håkon Hægland
  • 4,093
5
votes
1 answer

Using Webcam and Microphone in Virt-Manager

I have a Kubuntu 20.04.1 LTS as my Host OS, and I have a Fedora installed as guest using Virt-Manager. Is it possible to use the built-in Webcam and Microphone of my laptop in the Guest-OS using Virt-Manager? If yes, then how?
Atul Gopinathan
  • 111
5
votes
3 answers

Windows guest's audio choppy in QEMU/KVM with virt-manager

I'm using QEMU with KVM in virt-manager, with a Windows 10 guest. I've noticed the audio is very choppy, and will cut in and out constantly. After installing most of the virtio drivers for Windows, and trying all the different sound device options…
wispi
  • 166
1
2 3 4 5 6 7 8