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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KVM Virtual Machine Network - Guest-guest/VM-VM only network (no host/hypervisor access, no outbound connectivity)

I know that with the virsh command I can create several types of networks (a "NAT network", for example) as we can see in these URLs... KVM network management KVM default NAT-based ...
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Join physical hosts to the LAN side of virtual FW/Proxy

Please forgive me if this has been answered already. I searched but didn’t see anything that matches exactly. I have an old laptop running W10(quad core i5, 16GB RAM with 32GB upgrade otw, dual NICs ...
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VirtualBox: Simultaneous Windows and Linux guests on Windows 10 host

I am running VirtualBox on Windows 10. I have disabled Hyper-V from previously using Hyper-V, where I didn't have much success running a Linux guest (and also struggled with the networking). My Linux ...
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How is it possible to pass a GPU with Qemu/KMV into a Linux guest on a linux host? (And get a monitor output.)

@smartpeople For the first who gives me a working solution I would give an Avast Secure VPN Code for one year or some nice steamgames. Please help me i really need to get this working. @people with ...
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How LXC (Linux Containers) differ from Docker?

I am wondering if LXC and Docker does the same thing (Operating System level virtualization) What are the advantages/disadvantages one have over the other? I also want to know for a low power arm ...
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windows installed to raw partition run in virtualbox

A desktop system ships with an installation of Windows 10. Subsequently, the main Windows partition is collapsed to make space for a Linux installation. The system boots to Linux normally, with the ...
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Using AMD CPU for Tizen Emulator?

I want to use Tizen Emulator to debug my wearable app. After looking into old posts, I found someone who said it would be possible but slow. At the beginning, I was stuck in the boot screen (I guess ...
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Which hypervisor is Google Compute Engine (GCE) using for its VM instances?

Which hypervisor is Google Compute Engine (GCE) using for its VM instances? Although it might be an implementation detail, I'm interested in knowing which hypervisor Google Compute Engine (GCE) is ...
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Doubts on Mac address of Guest OS configured in bridged mode

I'm running Kali ( guest OS ) in workstation pro. My host OS is windows 10. Guest OS is configured in Bridged networking mode. Consider the following parameters of :- Guest OS - IP_G:MAC_G Host OS - ...
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Cannot start Hyper-V Host Compute Service

I'm trying to install Docker with WSL 2 on my Windows 10 machine. I thought it was fairly simple but two days later I'm still struggling to make it work. I've tracked the problem from not being able ...
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QEMU/KVM emulating wacom-tablet

I'm trying to emulate an old machine and have working xserver with absolute input, I've managed to add wacom driver to the guest (and I suppose that's the best I can do). The wacom driver does not ...
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Possible to either pass GPU to VM or seamlessly switch between multiboot OSes?

After using a Windows 10 PC for University, work, gaming and development (as a hobby), I want to separate them to a Linux machine for development and Windows for everything else. Now, dual-boot can ...
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Virtualization Enabled in BIOS but not enabled in Windows 10

I am trying to install WSL which of course requires virtualization to be on. I tried enabling it in bios, but windows 10 refuses to enable it. I have tried completely disabling Hyper-V, and disabling ...
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VMware Workstation does not support nested virtualization on this host. Module 'HV' power on failed. Failed to start the virtual machine

I am trying to run Windows 10x64 on my VMware Workstation 16 Pro (16.1.1 build-17801498) with "virtualize Intel VT-x/EPT" checked (its needed for my assignment) but i keep getting the error :...
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Intel HD Graphics Error Code 43 when doing GVT-g “passthrough”

I've managed to setup Intel GVT-g on my machine using this guide: https://www.reddit.com/r/VFIO/comments/8h352p/guide_running_windows_via_qemukvm_and_intel_gvtg/ I was also able work to the point [...
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Oracle VBox inaccessible after change of name of user folder on Windows 10

Yesterday I changed name of my user file and name of account from "Król" to "Sotel" on Windows 10. Now my oracle vbox is inaccessible and shows error: Runtime error opening 'C:\...
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Is there a way to access headless VM using just a web browser

I'm working on a University project to provide access to the headless VMs (or Desktop as a service) to university students using just a web browser. So, I wanted to know how do we provide this service,...
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Is there a way I can use a Virtual Machine (alternately Windows itself) to use an .iso file as a writable medium?

I have a very specific need. I will have an exam in a couple months and I have absolutely no training in how to burn disks. I had a PC that could do this several years ago but that one's long gone, ...
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How to check Virtualisation is enabled In Windows 7

How to check Virtualisation is enabled In Windows 7 There is a lot of tips to check how Virtualization is supported in CPU, however, i cannot find how to check Virtualization is enabled (i know ...
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KVM / QEMU - Confused by bridge ip address (on Debian host)

I have followed a few guides to getting a bridge setup on my Debian VM host The most useful I found to be this: https://linuxconfig.org/how-to-use-bridged-networking-with-libvirt-and-kvm I have read a ...
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QEMU installation is broken

I am trying to run a Windows 10 VM on Windows 10. What I did I downloaded QEMU exe, then got Windows Installation Media to get the Windows 10 iso file. Then I simply moved to the Windows 10.iso file ...
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libvirt / KVM/QEMU - Networks: What does “Open Network” do?

When setting up a network with libvirt & virt-manager, there is an option to choose "Open Network" as the "Network Mode" when forwarding traffic to a physical network. What ...
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Hyper-V VM extremely slow - 100% disk usage always

Windows 10 Pro host Windows 10 Developer VM Operations related to installing/removing applications are extremely slow on my VM and task manager shows disk usage always at 100%, average response time ...
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VMware Workstation - Use a Dedicated NIC on a desktop with two NICs

I have installed a used Intel Pro/1000PT Quad in my workstation so VM's can have a dedicated NIC. Is there any HOWTO's on how to make sure the host does NOT use the port and to correctly configure ...
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505 views

virsh edit error: failed to get domain

I'm using KVM/QEMU and Virtual Machine Manager. When I run in terminal sudo virsh list --all and the output is correct; it shows the one VM I have: Id Name State ------------------------ - ...
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How can I enable Hyper-V in MSI Modern 14 B4MW model?

enter image description hereI have tried all the thing to enable Hyper-V in my windows-10 64 bit laptop ,but I am unable to do it I am unable to find any option to enable it either in BIOS nor in Turn ...
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VT-x and VT-d Enabled in BIOS, but not working

My System: Win10 Pro 20H2 i7-4790k GTX-1060 6G msi z97 In the BIOS, VT-x and VT-d are both enabled, but if I try to launch a VM in VMWare or VBox, I get an Error that VT-x is disabled. The Intel ...
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QEMU: “Why did my PC restart”

After installing QEMU and putting the Windows 10 iso file in the same directory as where I downloaded QEMU, I ran these commands: qemu-img.exe create -f qcow2 -o cluster_size=2M win10.qcow2 50G qemu-...
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virtual interface vs 127.0.0.1

Virtual Network Interfaces is using for loop-back purpose . but there is 127.0.0.1 that can do that . why making a Virtual Network Interfaces? for example there s a npcap loopback adapter in my pc , ...
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I can't add Wireless Adaptor in External Virtual Switch Network in Hyper-V. Error: Object Not Found

I was tried to create a virtual switch network in Hyper-V. I was select External and then select Create Virtual Switch. (Picture 1) Under Connection Type I selected External Network, Then I select ...
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Cannot install Ubuntu 20.04 on WSL2

I'm trying to install Ubuntu 20.04 on WSL but I keep getting WslRegisterDistribution failed with error: 0x80370102. Now I've seen other threads addressing this error before and the suggestion is to ...
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Why is system acceleration disabled according to VirtualBox?

I have downloaded a prebuilt Ubuntu virtual machine and I am trying to run it using Virtualbox 6.1. I see this when opening the settings of the virtual machine and the virtual machine will not ...
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Hyper V / GNS3 Nested virtualization issue encountered during GNS3 install

I am trying to run GNS3 as a vm in hyper v, however i am facing issues with nested virtualization. Starting the "GNS3 VM" i get the following error message appear: https://i.stack.imgur.com/...
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Is it possible to install VirtualBox guest additions on a Xen hypervisor guest, or on the DomU of said hypervisor?

For various reasons, I am currently working with the following setup: VirtualBox on a Windows machine, running a Xen guest, under which is a no-GUI Fedora install for its DomU--I'm meant to develop ...
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Does it make sense to have Linux virtual machines share the /home folder?

Speaking about Linux and Virtual Manager, while in theory you could have a single .qcow2 file and install several distributions having the /home folder in a separate partition to be shared among them, ...
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Bluestacks Hyper-V Beta does not recognize Hyper-V as enabled

The steps I took to enable Hyper-V are just like the one described here Hyper-V is enabled according to Control Panel. Already restarted the PC. Using the command in CMD results in this. Checking ...
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Hyper-V not recognized as enabled by some of my computer programs

I wanted to try Android gaming emulators on my PC. Some of the recommended ones were Bluestacks (v4.260) and Memu (v.7.3.3), so I installed them. Bluestacks handled it fine and was able to run. Memu ...
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I need help getting started on Qtemu with my first and next virtual machines

Upon being started, the VM immediately closes. Have I selected the wrong chipset or f***ed up a directory? Please excuse the shortness of this post, there is no error message for me to go off of so I ...
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How to find out what is starting Hyper-V on Windows 10

I wish to run a 64-bit VM in VirtualBox on Windows 10, so I need to disable Hyper-V. I have tried various approachs (see the info below), but Hyper-V is still starting. In my System Log (Admin Tools -&...
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How do I enable GPU acceleration on new Hyper-V virtual machines? (Can't use remoteFX)

I've recently set up a Hyper-V virtual machine that runs Windows 10 Pro 64 Bit, the host OS is also running Windows 10 Pro 64 bit I want the VM to be able to play games, I tried to play a game but it'...
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Adding files to blank virtual disk image

I am trying to simply create a disk image with a few files I copy in. Currently, this is my workflow: # these seem to work as intended qemu-img create -f qcow2 testQcow.qcow2 5M virt-format -a ...
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I can not find virtualization technology is bios to enable it i want to use virtualmachine

I own a toshiba satellite c55d-a with amd a4 apu 5000 cpu Im entering bios settings by pressing f2 key when booting but I'm unable to find virtualization option there
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Getting Hyper-V-Hypervisor launch failed - I have windows home

I am running windows 10 home. disabled hyper-v from my services. have virtualization disabled from bios do not have it in my start up either. On boot up I keep getting these 4 errors. Let me know if ...
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What is the point of turning off CPU virtualization?

In order to use Docker, Hyper-V on Windows and all that VM stuff, there must be two things: The CPU must support virtualization The virtualization must be enabled in the BIOS setup. However, if we ...
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Does Parallels use proprietary drivers or virtualization technology?

This might not be the right place to ask and even a bit of a vague question but I'll try to be as clear as possible. I'm running a MacBook Pro (2016) and I've been using VirtualBox in order to run ...
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Can someone explain virtual adapters a bit more in depth?

I do know that virtual adapters are used by virtual machines and vpn, but I don't understand how they actually work: Once a virtual adapter is created, is it some kind of pure software independent of ...
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Why does BBBBBBBBBBBB MAC Address in VirtualBox is invalid?

I don't have issue using AAAAAAAAAAAA as a MAC Address in VirtualBox. But why can't I use BBBBBBBBBBBB?
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WinXP BSOD when run on Qemu

I have an old virtual machine on virtual box with WinXP, I converted it on raw QEMU format, I tried to run this image on Win10 and on Debian but I have this BSOD. This is the command line on Windows I ...
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what is the default queue length of ESXi Storage Stack?

Imagine the queue depth of PVSCSI is set to 256 and queue depth of Driver(LUN) is set to 32. In case if 128 IOPS occurs in the guest OS, then 32 out of 128 are processed, and the remaining 96 IOPS are ...
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self-contained environment like cygwin / git bash

I would like to be able to run a full-featured UNIX/Linux environment inside a Windows 10 environment. Due to increasing security restrictions, we are very limited in what we can run. We are unable ...

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