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Questions tagged [virtualization]

Virtualization is the process of using software to emulate an entire computer, in which "guest" operating systems can run.

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Libvirt/QEMU using real drive, showing virtual data in VM

I'm using a real drive as my windows 11 VM drive in libvirt using QEMU. This is working fine, however, when I open task manager, the drive shows as "QEMU HARDDISK", and shows up as an HDD (...
Twiston's user avatar
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Arch AMD GPU Single GPU passthrough detatch script results in black screen

I've succeeded in setting up my windows 11 VM for single gpu passthrough, however, when stopping the vm, my screen remains black. I'm using arch linux. start script: (working) set -x source "/etc/...
Twiston's user avatar
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Hyper-V VM does not use all the EPYC 7543P CPU power

I have a DELL server with an AMD EPYC 7543P 32-Core Processor. I run Hyper-V as VM Hypervisor on a Windows 2022 server OS. All is working right on the Host but the VM are not able to use all the power ...
Josselin Cauchois's user avatar
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36 views

Unable to install any distros under WSL / Hyper-V

I have a newer machine that previously ran VMs without any issue, trying to install WSL and run Ubuntu and it fails, I think WSL might be hosed anyway and tried to reinstall. All updates installed. ...
Nurgleton's user avatar
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43 views

Virtual Machine Platform (and possibly WSL also) not working with Podman

OS: Windows 10 Home (19045.4412) I am trying to get Podman up and running to work with containers. Here is what it is showing me. I am focusing on the Virtual Machine Platform for now, and I will ...
flakpm's user avatar
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0 answers
34 views

Process for Accessing QEMU Guest on Linux Host

What is the best way to port forward to a QEMU Guest so that one may access it remotely via specific port? I was looking to set this permentently and i cannot find a reasonable source on google that ...
nicholascox2's user avatar
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NCQ support on paravirtualized disks

Do paravirtualized disks in VMware, VirtualBox, XEN or KVM support NCQ ? Is this dependent on the underlaying physical disk (NCQ support passed through virtualization with the same queue depth as the ...
Juergen's user avatar
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How can I make virt-install boot from a keydrive/usbstick image?

virt-install 4.1.0 on nixos 23.11 I am trying to install from a memory stick image with the following options: opt=( --name pfsense --ram=4096 --vcpus=4 --os-...
aktivb's user avatar
  • 196
1 vote
0 answers
61 views

How Can I Retrieve Information from Orphaned `.avhdx` Files When No Corresponding Hyper-V Checkpoints Exist?

I'm working with Hyper-V on a Windows system and have encountered an issue with some .avhdx files in my C:\Users\Public\Documents\Hyper-V\Virtual hard disks folder. These files appear to be different ...
Foad's user avatar
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SSHFS perms with Qemu/Libvirtd

So, what I'm doing may seem stupid, but.. I have a NAS, of which I'm SSHFSing onto my main user, "User" (1000:1000)'s /home/user/NAS. From there, I'm trying to run Virt-Manager as sudo, and ...
Novum Gain's user avatar
1 vote
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104 views

VM in QEMU does not recognize virtual size, reports "no space left on device"

I start with the latest Debian cloud image, and make a copy for my VM. ❯ cp debian-12-nocloud-arm64.qcow2 kthw-jumpbox ❯ qemu-img info kthw-jumpbox image: kthw-jumpbox file format: qcow2 virtual ...
Keith Herbert's user avatar
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1 answer
88 views

/dev/kvm in guest Ubuntu running on a Windows host with hyper-v enabled

My question is an extension of this. Basically I enabled "Hyper-V" and "Windows Hypervisor Platform". I did this because I will create a new VM in hyper-v that has GPU passthrough ...
anon's user avatar
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1 answer
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non-unicode fonts displaying as gibberish in Windows 10 guest running in qemu

I have a Hebrew app that uses non-unicode fonts, and when I run it in my Windows 10 guest, which is managed by virt-manager, it started displaying gibberish, although it used to work right. I tried ...
shmu's user avatar
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71 views

Running into kvm_amd error while attempting to run Docker and a VirtualBox VM at the same time on Ubuntu

I'm trying to run a Docker Container for Graphite and a VirtuaBox VM for Home Assistant OS, yet I'm running into an issue with kvm_amd while trying to start a VM with Docker running: VirtualBox can't ...
Veillax135's user avatar
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Get Gnome Boxes to recognize guest created in Virt-manager

I have a Windows 10 guest that I created in Virt-manager, it has a qcow2 virtual disk that is stored in a non-default location. It is actually on a different partition altogether. How can I get Gnome ...
shmu's user avatar
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1 answer
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Why does Virtual Box freeze on "Starting Windows" screen on macOS Catalina 10.15.7?

I have macOS Catalina 10.15 and I installed VirtualBox v7.0 to run Windows 7 x64 (and windows10 x64). When I boots it hangs at "Starting Windows" screen. Screenshot below.
Martin Wittick's user avatar
2 votes
0 answers
56 views

How to run a 68000 binary (68376 binary) on a modern version of embedded Linux?

We are developing an embedded product, using Yocto Linux on an ARM architecture, a STM32 from ST. For the current release, we aim to re-use, as quick and dirty as possible, the code originally written ...
GozzoMan's user avatar
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GPU passthrough /DDA for RTX 4080 for Windows guest on Hypervisor-V

I have an Nvidia 4080 RTX 12GB, in an laptop installed on windows 11 pro with 13900 CPU and 64 GB Ram. The CPU also has integrated Intel xe graphics. I tested in Vmware workstation 17 pro graphic ...
raptorlane's user avatar
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1 answer
63 views

Windows 10 on an old VAIO. Hypervisors?

A classmate asked me to try to restore an old Sony Vaio laptop to working condition. It's a VPCEE2E1E (model PCG-61611M) which originally came with Win7 Home and a built-in licence. The HDD is ...
radorn's user avatar
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0 answers
58 views

Installing VirtualBox in linux via a script with also includes signing kernal modules

I have a linux VM (ubuntu 20.04) with secure boot settings active. Basically I need to install virtualBox and then create multiple VMs via virtual box via script only. No manual intervention should be ...
Amit Kumar's user avatar
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0 answers
137 views

How to Share a Single GPU Among Multiple VMs with Parsec Connectivity?

I've managed to set up my HP Z4G4 workstation tower so that multiple guest VMs can share a single Quadro P4000 GPU. This was achieved by utilizing the scripts from the “Easy GPU PV” project found on ...
cyberquarks's user avatar
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Fedora Virtualbox VM machine when clicked, details UI not visible

I am in Fedora and I have installed virtualbox latest, earlier it was showing the UI of a VM when I click on it but later on , I initiated File manager and now I can only see below components on the ...
0xAnon's user avatar
  • 101
3 votes
0 answers
114 views

Intel Virtualization hidden in BIOS

I am trying to enable virtualization on my Debian system. The command sudo modprobe kvm-intel fails with Operation not supported error. Processor: Intel Xeon E31260L Motherboard: Intel Serverboard ...
Rockrid3r's user avatar
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20 views

Containerized applications and hardware resources

Linux user here. With increasing frequency, I am considering using containerized applications for several applications, mainly to avoid dependency problems and stressful reinstallations in a hurry. In ...
terauser's user avatar
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0 answers
281 views

How do I image the beginning portion of a drive with qemu-img convert? (Similar to using dd count=)

I have 500 GB (~475 GiB) SSD that I want to image with qcow2. I plan on following this example on moving the Windows installation to a Qemu/KVM VM. I shrunk the ~470 GiB bitlocker root partition to ...
Suzana Aod's user avatar
0 votes
1 answer
525 views

Virtualisation options on M1/M2/M3 Mac running macOS Sonoma [closed]

I am in need on virtualizing apps on Mac ARM running Sonoma. As Parallels is out of the question due to restrictions on my end, I am in need of using another option. VMWare's "player" doesn'...
Xenonite's user avatar
1 vote
1 answer
678 views

multipass - launch failed: cannot connect to the multipass socket

I snap installed multipass on Debian 12 Linux (bookworm) - that was a fun task in itself. However, when I try to multipass launch --name myVMname, I get: $ multipass launch launch failed: cannot ...
Mike Pennington's user avatar
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1 answer
142 views

I can't for the life of me get networking to work on a linux kernel + busybox. (QEMU/KVM)

I have this little experiment lab system that i made in QEMU (just for fun). The system consists of the linux kernel + busybox. Most of the system seems to work pretty alright now and i can do most of ...
joeschmo's user avatar
0 votes
1 answer
681 views

Horribly unresponsive Ubuntu virtual machine in VirtualBox on Windows 11

I have installed an Ubuntu 22.04 LTS virtual machine into VirtualBox running on Windows 11 host. This is on an Intel Alder Lake CPU with separate performance/efficient cores (2 P-cores with ...
juhist's user avatar
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1 vote
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227 views

Remove device that was added to qemu/kvm without a short id

I have a KVM virtual machine that I would rather not restart. A USB device was added to it using the qemu monitor device_add command without specifying an id. I want to unplug the device so it can be ...
Jules's user avatar
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1 vote
1 answer
3k views

Pass Through Multiple GPUs to Virtual Machine with Hyper-V

I followed this tutorial to try and pass through GPUs to a Hyper-V virtual machine: https://www.youtube.com/watch?v=XLLcc29EZ_8 My system has two NVIDIA 1080 Ti GPUs in it; and for some reason only ...
EllipticalInitial's user avatar
0 votes
0 answers
320 views

How might I mount an iso into a virtual CD drive with VBoxManage "No bootable option or device was found." (virtualbox)?

Following script, create-windows-11.sh, is meant to Create win11.vdi out of Win11_23H2_English_x64v2.iso Create a Windows 11 virtual machine. Mount Win11_23H2_English_x64v2.iso into win11.vdi. ...
John Smith's user avatar
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0 answers
187 views

installing bookworm (debian 120 using qemu on windows

Windows 11 Latest QEMU Debian 12.4.0 netinstall Installed QEMU as shown on various YouTube videos. Created my image file with qemu-img.exe as follows; qemu-img create -f qcow2 debian.img 128G ...
B Medley's user avatar
0 votes
0 answers
261 views

ESXi on VMware Workstation and VLANs

I am configuring VLAN tagging on a nested ESXi hosted on VMware Workstation installed on a Windows 11 PC. Overly complicated, I know, but I need ESXi and don't want to sacrifice having a personal PC. ...
kyle's user avatar
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1 vote
1 answer
133 views

Simulating Samsung Note 10 OS on Linux?

I am looking for a way to not have bioluminescent applications from my bank and the government on my private phone, but they are still required nowadays for anything from shopping to travel to ...
Rafael Kukawski's user avatar
3 votes
0 answers
638 views

Windows 11 sudden issue with Windows Sandbox and Windows Subsystem for Android

For some days now, my Windows Sandbox & Windows Subsystem for Android, stopped working and i can't find a way to solve the issue after trying many suggestions i found on the internet. Windows ...
Sakis's user avatar
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0 votes
1 answer
235 views

libvirt/qemu network guest dhclient 10.0.2.15 instead of 192.168.122.2

On the redhat host, virbr0 is up and libvirt's network is configured as nat for 192.168.122.2-254 (and recently added rule specifically to assign 192.168.122.2). but dhclient with the ubuntu VM gets ...
Will's user avatar
  • 101
0 votes
1 answer
32 views

How to assess the actual power (and whether mapped 1:1 to physical host CPU) of virtualized VM CPUs?

We have been provided with 1 virtualized Windows VM machine with 24 2.8 Ghz processors. I want to check whether all 24 cores on the VM are actually mapped to 24 dedicated physical CPU cores. I want to ...
variable's user avatar
  • 220
0 votes
1 answer
169 views

Specific network card configuration on vm with vmware

I need to configure a vm (fedora) in vmware workstation statically configuring its virtual network card to use physical wifi card rather than ethernet card. I'm going to use both physical cards at the ...
Matteo's user avatar
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0 votes
1 answer
263 views

Container or VM for testing Windows software applications

I’m looking for some suggestions on how I can test some software applications without committing to installing them on my main OS. I thought a virtual machine would be a good idea, but then I found ...
b7031719's user avatar
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0 answers
1k views

How do I install WSL on a Windows guest inside VirtualBox

I am following the steps to install WSL on Windows 10 guest machine inside of VirtualBox. And currently I am facing this issue - it seems I cannot install Ubuntu Linux with WSL on a Windows 10 guest ...
Wanderer's user avatar
0 votes
1 answer
1k views

How to run a Mac OS VM on an Intel Mac?

I'm a developer and some of my users experience issues on older Mac OS versions. I would like to test my app on an older version of Mac OS using my Intel Mac. I think the only solution is using a ...
Fractale's user avatar
  • 667
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 ...
user3027198's user avatar
0 votes
0 answers
92 views

QEMU not flushing drive changes to host filesystem

I am running a simple efi shell within QEMU and I wish for the files to persist between QEMU launches, namely NvVars. I am trying to understand why changes are only flushed after I create several ...
CrossedCarpet's user avatar
1 vote
1 answer
500 views

kvm qemu guest_agent issue on windows vm's

i'm using kvm virtualazor i have windows vm and i successfully installed the drivers and qemu-ga i do active the guest agent option in virtualazor but unfortunately its wont recognize the agent inside ...
muerfox's user avatar
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1 vote
0 answers
2k views

How to enable avx2 for Ubuntu 22.04 guest VM in VirtualBox 7, on host Windows 11?

I cannot enable avx2 on Ubuntu 22.04 guest VM in VirtualBox7. I followed different ways but the issue persists (i.e., I get nothing when I do grep avx /proc/cpuinfo in my guest VM). What I have tried: ...
azLe's user avatar
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0 votes
0 answers
61 views

Is there any way to run No-GUI Ubuntu Server in VM(Windows host), and run GUI Linux apps rendered in Windows?

Title. Is it possible to render the GUI on the host: Windows, when the backend part is provided by Ubuntu Server running in VM? So that we have both Full fledged Windows and Linux at the same time.
Someone's user avatar
  • 157
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 ...
Della's user avatar
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0 votes
0 answers
537 views

how to install haxm v.7.6.5 on my pc?

I want to install HAXM on my pc. then this error popped up "the system requirements are not supported" . CPU vendor * Genuine Intel Intel64 supported * Yes VMX Supported * Yes ...
gear5's user avatar
  • 1
0 votes
0 answers
720 views

Can not Enable Virtualization in BIOS American Megatrends 1902 version

I am trying to install Linux on my Windows 10 by using WSL but always get the error message 0x80370102. My features, such as Hyper-V, Virtual Machine Platform, Windows Hypervisor Platform, and Windows ...
hyperandey's user avatar

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