Questions tagged [virt-manager]
Questions regarding virt-manager, a GUI tool that allows the user to interact with KVM.
104
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Virtual Machine - share folder between Linux host and Windows guest
I've installed a Windows 10 guest inside of my Ubuntu 20.04 host, under Virtual Machine Manager via QEMU. I've also installed the virtio-win-guest-tools on my Windows 10 guest, after mounting the ...
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28
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Guest operating system ubuntu-mate 22.04.3 jammy jellyfish display does not autoresize when run on fedora workstation 38 using virt-manager
I am running ubuntu-mate jammy-jellyfish 22.04.03 as a guest operating system on fedora-38-workstation using virt-manager. The display does not autoresize when I resize the virt-viewer window. Can you ...
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How to create guests VMs from different disk in ubuntu server
this is my disk layout
loop2 7:2 0 49.9M 1 loop /snap/snapd/18357
sda 8:0 0 223.6G 0 disk
├─sda1 8:1 0 1M 0 part
├─...
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350
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QEMU/KVM virt-manager Unable to GPU Passthrough: Group not viable
My computer specs:
Fresh Ubuntu 22.04.2 LTS install
AMD Ryzen 5 5600x
32GB RAM
2TB NVME
Radeon rx 6500 xt & Radeon rx 5700
MSI B450 Pro Carbon motherboard
Guides attempted:
Mathias Hueber
Pavol ...
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0
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0
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872
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How do I get 3D acceleration to work in virt-manager?
I'm trying to get 3D acceleration to work in virt-manager, but no matter what guest I use in virt-manager, if I enable 3D acceleration, I get this error.
In the details of the error, it has this:
...
0
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1
answer
51
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-1
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1
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446
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How to use external SSD to store files for VM?
I'm using an external SSD portioned as exfat to store files for my vm. I'm using the tool virt manager to manage this.
While trying to store the vm on SSD I got this message: "The emulator may ...
0
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0
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149
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Does GNOME or KDE have a way to block the Meta/Super key for a specific apps, like Virt-Manager or other VM sessions?
This would be useful for something like Teradici, where a user using a remote Mac may use the CMD, which is equal to Meta/Super/Win in a traditional/Windows keyboard.
One other thing to note, Meta key ...
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71
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oracle vm virtualbox manager error code NS_ERROR_FAILURE (0x80004005)
So I have wanted a Virtual machine on Ubuntu for a while now so i download Virtualbox to run it and it dose not open the windows ISO I put on it I have tried every way I can find but it has not worked ...
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166
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Adding isolated network via virt-manager results to permission denied
I am using virt-manager in combination with qemu/kvm to run my vms. My OS is Ubuntu 20.04 and the vms run under qemu:///session as a normal user.
I want to create an isolated network between my host ...
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1
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968
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What is the proper virt-install location url to use for ubuntu when installing via http?
I'm trying to install Ubuntu in a vm using Virtual Machine Manager.
I do however get the following error which leads me to believe that I have not pointed to the correct url.
Manually selecting ...
- 844
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164
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Intel GVT-g: Scrambled graphics on virt-manager
The virt-manager video is scrambled on this VM configured to use Intel's GVT-g GPU pass-through. The screen works, I can log in on it, manipulate things on the desktop. I just can't read anything.
...
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1
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1
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309
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virt-manager guest OS not grabbing key bindings on Ubuntu 22.10
I have recently noticed that when I press key bindings like super, ALT + TAB and etc. It activates my host OS instead of my guest OS.
So when I try to go to the applications menu on my guest by ...
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1
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253
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Hyper-V with Ubuntu 20.04 Guest No Virtualization
On windows server 2012 install Hyper-V with VT-x in de bios enabled.
The guest is Ubuntu 20.04
lscpu give:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
...
- 29
0
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1
answer
130
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Rhythmbox & Virt-Manager won't launch on 22.10 - errors seems to be related to "controls.cpp"
Edit 2
Virt-Manager was reporting the same last 2 lines whenever it locks up.
[Sat, 29 Oct 2022 17:13:55 virt-manager 72529] DEBUG (vmwindow:185) Showing VM details: <vmmDomain name=Lubuntu id=...
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1
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Boot Physical Windows Drive with Virt-Manager/QEMU
I have two separate hard drives in my computer.
The first is Kubuntu. The second is Windows 10.
I've successfully gotten the Win10 drive botted and running in VirtualBox. However, VirtualBox does not ...
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2
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6k
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Setting up a bridge for host and vm
I'm having quite a lot of problems setting up a network bridge for both my host and my vm to use.
The host (os of the server) is Ubuntu 20.04.4 LTS. The VM (using KVM and virt-manager) is TrueNAS Core ...
- 562
4
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1
answer
3k
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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 ...
0
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1
answer
2k
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Virt-Manager NAT network interfaces stop working if host connection is restarted
I'm running Ubuntu (Mate) 20.04 on a workstation and I often use virt-manager to host various virtual machines for testing purposes (not for production VMs). I have found that if networking on my ...
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1
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63
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problem on ubuntu bridges installation
I'm following the instructions, but it is not working.
Here is my original 00-installer-config.yaml file:
# This is the network config written by 'subiquity'
network:
ethernets:
enp2s0:
...
0
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0
answers
4k
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How to enable 3D acceleration on Windows VM in virtual machine manager
I have tried setting Type to Spice server and opengl on in display Spice and in Video Virtio setting the model to Virtio and 3D acceleration on, but that made the Windows VM unusable because of the ...
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1
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2k
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Virt-manager missing architecture types
I am running 21.10 with virt-manager 3.2.0. I have installed:
qemu-system-aarch64 qemu-system-i386 qemu-system-x86_64-microvm
qemu-system-arm qemu-system-x86_64 qemu-system-x86_64-spice
...
- 11
2
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3
answers
6k
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What are the different versions available as Ubuntu cloud-images?...General Guide for Ubuntu Cloud Image use in Virt-manager 2021
I'm soooo thrilled to finally find prebuilt Ubuntu images. I was using osboxes, but the file size when converting is 500GBs and tedious to compact. Fresh installs are tedious, especially when 90% of ...
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2
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0
answers
666
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Enable BRIDGE network for Virt Manager in Ubuntu 21.04 with a Wireless Network only
I've been using Boxes without any problem, the only missing functionality is to access the network outside the guest environment (Boxes Sandbox), from/to another computer in the same LAN.
Because ...
- 311
1
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1
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982
views
Ubuntu MATE: How to enter and exit full screen view using key combination in virt-manager?
Is there a key combination to enter and exit fullscreen view in virt-manager, while a virtual machine is running, and its window open?
Obviously I can enter or exit using mouse:
To enter: Click View &...
- 2,126
0
votes
2
answers
473
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VMs reset after suspend
Sometimes, when I close and open the notebook lid, my VMs are like this. It appears locked but actually what happened is that all the apps got closed and I to unlock the screen and reopen everything.
...
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1
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1
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752
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virt-manager windows 10 guest usb passthrough logitech brio webcam
here is my setup:
host: ubuntu 21.04
libvirt: v7.0.0
guest: windows 10 pro N (version 21H1, OS build 19043.1083)
i am trying to connect my logitech brio webcam to the guest machine. i set up the ...
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1
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How to use microphone in KVM, virt-manager based Virtual Machine?
I am using Ubuntu 20.04.2 (64-bit) as host and Q4OS(32-bit) as guest. I have added camera from USB host devices and hence it works now on using google meet in virtual machine.
But I am still unable to ...
4
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3
answers
32k
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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 ...
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1
answer
11k
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How to redirect an USB 3.0 device to VM in virt-manager?
usb 3.0 devices never worked on virt-manager for me. I'm running Ubuntu 20.04 on both host and guest, and only 2.0 redirection works. When I do 3.0, it simply does not appear on the guest on lsusb ...
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1
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2k
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libvirtd[num]: Failed to open file '/sys/class/net/veth7a03557/operstate': No such file or directory
I want to install virt-manager and kvm, I done it but when I write
It shows me error below sudo systemctl status libvirtd.service
jūn 11 12:04:25 intelli5 libvirtd[916]: Failed to open file '/sys/...
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0
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87
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Ubuntu server does not detect DHCPv4 on virt-manager
I am installing ubuntu server on virt-manager but it can not detect DHCPv4. I click continue without network then it gives me error below when I install or update something
failed to fetch http //...
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0
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1k
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KVM-QEMU-SPICE: drag 'n drop files from guest to host?
Spice's guest tools work well for file transfers from host to guest, but don't work from guest to host. Spice's Webdav extension is a good workaround, but it has drawbacks (doesn't work from virt-...
0
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1
answer
203
views
Is the allocated number of CPUs freed to the host machine when I pause the virtual machine?
In KVM virt-manager, is the allocated number of CPUs released from the VM to the host machine if I pause the virtual machine?
If the allocated CPUs are released when I pause the virtual machine, I ...
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1
answer
4k
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What is CPU topology in kvm virt-manager?
In KVM virt-manager what is the meaning of Sockets, Cores, and Threads ?
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2
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1
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858
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Unable to install virtual machine that has passthrough NIC. Is there a fix?
Can I install VM with passthrough NIC? I did all the required steps. I enabled iommu in /etc/default/grub and I ran the script that show me iommu groups. Here is the output:
IOMMU Group 0:
00:...
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2
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1
answer
7k
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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-...
0
votes
2
answers
860
views
Ubuntu 20.10 VM restarts sometimes after wake from sleep
I'm runing ubuntu 20.04 on the host and Ubuntu 20.10 on two VMs. I always let them open and running. Sometimes, after waking the laptop from sleep, one of them has the screen locked (they both are ...
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51
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What to do for reusing backing images for Ubuntu guests?
I am currently using virt-manager on Ubuntu desktop to make VMs to test things and so I want to use backing images to quickly bring up a system whether it's a desktop or server install. Afterwards, I ...
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2k
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No internet connection on host when Ethernet is Bridge for Guest VM (Ubuntu 20.04)
I setup a bridged connection modifying the netplan file in /etc/netplan/ and setup the bridge device using nmcli. Below is my netplan file:
# Let NetworkManager manage all devices on this system
...
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2
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0
answers
5k
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how to disable msr in virt-manager on ubuntu 20.04?
I'm trying To passthrough ethernet adaptor, i enabled immmou, when i boot the virtual machine it give me this
`Error starting domain: internal error: qemu unexpectedly closed the monitor: 2020-08-...
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0
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441
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If I reinstall qemu on my machine will all my vm data be deleted? Is there anyway that I can preserve my VM data?
I'm having some issues with qemu. For some reason libvirtd.service does not initialise during startup even though it's enabled in systemctl. I have to manually enter the
sudo systemctl start libvirtd....
- 11
1
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1
answer
2k
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How to disable exit full screen popup in virt-manager
I'm using virt-manager with kvm, however I've found that in fullscreen mode (with spice), the exit fullscreen popup gets in my way often.
Is there a way to disable this popup from showing whenever I ...
- 139
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1
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565
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Virt-Manager gui missing "light bulb"
I installed "virt-manager" 2.2.1 on my 20.04 desktop and created a VM in it. I find that many of the settings require clicking the "light bulb" on the toolbar - but mine doesn't ...
- 178
2
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1
answer
5k
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Error getting virt-manager to work with LXC
I'm trying to get virt-manager working for LXC containers in Ubuntu 20.04 beta. I already installed the lxc package through apt.
Unable to connect to libvirt lxc:///.
Failed to connect socket to '/...
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1
answer
4k
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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 ...
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1
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2
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17k
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Multipass, virt-manager and bridged network
I'm just starting to use Multipass, and I have found that some of the documentation is sparse (or I don't know how to find it properly). I am running 19.10, with QEMU and libvirt installed. I created ...
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1
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3k
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GPU passthrough: windows guest recognizes GTX 1060 but I can't use it. Passing GTX audio makes VM ultra slow
I'm trying to do GPU passthrough for GTX 1060 on Ryzen 7 2700x.
I followed https://mathiashueber.com/windows-virtual-machine-gpu-passthrough-ubuntu/ but I couldn't blacklist the nvidia driver as the ...
- 651
0
votes
0
answers
1k
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port unreachable on pings from guest VM to internet. (KVM Virt-Manager default NAT network)
Using virt-manager, KVM on Ubuntu, I created a VM with default network configuration (NAT) as described here: https://wiki.libvirt.org/page/VirtualNetworking under NAT mode.
which should have ...
- 391
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1
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3k
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Is it possible to run qemu-system-x86_64 virtual machine from raw disk image located on external flash drive?
For some project I need to have QEMU/KVM virtual machine with raw disk image.
So I have created this raw disk image as simple as
dd if=/dev/zero of=~/disk.img bs=1M count=3092
and got 3 Gb of space ...
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