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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V130-15IKB Laptop Bios Errors - Failed to load storage: Oil Setup. Status: Device Error

I'm having a lot of issues with my Lenovo IdeaPad V130 Bios and virtualisation settings. I was trying to use an emulator in Android Studio and it refused to work, giving the error message 'Intel haxm ...
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Lenovo V330 - Virtualization enabled in BIOS but not working

I have a Lenovo V330. I updated the bios and now there is an error that I can not change any settings in BIOS. When I open BIOS When I leave BIOS But Virtualization is enabled but not working (Task ...
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cannot workout vboxmange commands

hi guys I cannot get the hang of vboxmange commands can I get some help to understand the formatting better C:\Program Files\Oracle\VirtualBox> VBoxManage.exe list vms "mate" {e6d6f80c-826c-40f3-...
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How do I get networking to work with an ubuntu VM from catalina (tried both virtual box and vmware fusion)?

It's been a few years since I've done any work with either Virtual Box or VMWare Fusion. I'm trying to work on a new Mac Book Pro laptop running Catalina, and getting nowhere. With both hypervisors, ...
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VT-x is disabled in the BIOS for all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLed ConsoleWrap Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

I am not able to solve this problem as i don't see any UEFIfirmware setting while installing. I had gone to advanced setting and tried to get to uefifirmware setting but didn't find it.
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can i passthrough Network Adapter to virtual machine using windows 10 as a host?

i want to exclusively pass-through network adapter to Open-WRT Virtual-machine i don't want virtual hardware is it possible using windows 10 as a host ? i tried with virtual-box old version 4.3 pci ...
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How to ENABLE VT-x in the BIOS on a desktop remotely?

I'm accessing a Windows 10 desktop which is situated in office remotely from home. I've installed an OS on Oracle VirtualBox and when I run, I'm getting error of - VT-x is disabled. Not in a ...
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connect iphone to vbox macOSx [closed]

I am running a VM with OSX (Catalina 10.15.3). The problem is that the iPhone is not recognized by the VM-OSX. Here you can see that I have selected the phone. And here are the settings of the ...
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RTX 2080 VGA QEMU/KVM VFIO Passthrough Windows 10 black screen after driver install

So I've spent the last 20 hours trying to get a Windows 10 VM running in QEMU/KVM on Ubuntu. My hardware setup is: Saphire Pulse Radeon RX 570 (Host) MSI RTX 2080 Gaming Trio (Guest) Ryzen 7 3700x ...
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Is there a way (or could there be a way) to “emulate” or “virtually load” a powered off and/or disconnected display in Windows?

There are times when the situation will occur where Windows will open a window or a program on a monitor that is broken, disconnected, or simply powered off. I am wondering if there is a way to ...
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How to videochat with WhatsApp on PC

23MAR2020: I want to use my PC Win10 for WhatsApp and use it to video chat. The current WhatsApp for Windows 10 does not allow video, only text. At https://geekspie.com/download-whatsapp-video-...
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Can I safely copy vmdk disk while VM is still running?

I have a virtual machine in QEMU with snapshots (vmdk-disk) and I need to have a clone of that machine in another host. But I can't shutdown this VM for some reasons and can't clone it through the ...
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628 views

VirtualBox Guest Additions installation error for Windows 10

My goal is to install VirtualBox Guest Additions onto Windows 10 Pro. After running the installer, I came into the following error Error Message: Stopped logging into separate file Output folder: C:...
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increased size of disk in a Virttual machine, but gdisk doesn't want to use the new space

I have a VM with a virtual disk (visible as /dev/sdb) with a size of 10G The admin increased the size of the virtualdisk to 60G. I rebooted the machine and see now, that the disk is bigger. root@...
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Failed to open VDI with new VirtualBox

I had to nuke my computer and reformat my hard drive because of a virus and i copied a snapshot of my VirtualBox VM. I made the mistake of not cloning and just copied the vdi file from the snapshot ...
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How can I emulate Ubuntu 18.04 on MacOS using qemu?

How can I run Ubuntu 18.04 on my MacBook Air (Mojave) using QEMU? (yes I have to use QEMU for now.) I got QEMU from here. But also got it from Homebrew as well. I've tried looking at the QEMU's ...
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Is it possible to only send some windows key shortcuts into RDP?

I'm using vmconnect/rdp to connect to a Win10 hyper-v VM from a Win10 computer. Most windows key shortcuts I'd like to be able to send into the RDP session, but there's some I'd like to be sent to my ...
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ASUS PRIME H310M-E R2.0/CSM VX-t virtualization

I bought the motherboard ASUS PRIME H310M-E R2.0 and didn't even check if virtualization is possible with this motherboard. In the bios, I see VT-d and am able to enable that, but I don't see VT-x or ...
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Windows 10 Hyper V connecting to Wifi and Lan

I'm trying to set up a hyper-v virtual machine to connect to a corporate LAN via ethernet and internet via Wifi. My windows 10 host machine quite happily connects to wifi and ethernet at the same time....
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Virtualbox - Poor performance on guests with graphical environment

I use Virtualbox 6.1.4 on macOS 10.15.3 (Catalina). On all guest machines with graphical environment, I experience massive GUI lags, even when I let VirtualBoxVM (the sub-application contained in the ...
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Virtualizing Windows ARM Edition on an ARM Linux machine

Is it possible to virtualize the ARM edition of Windows on an ARM Linux machine, and if so how would this be accomplished. I've tried emulating Windows in QEMU, but it's far too slow. The host OS is ...
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Emulating IDE in KVM in Debian 10

We have an old rack server with Windows Server 2008 (not R2) Our goal is to virtualize it and move into new hardware. The new PC has a Debian10 as a main OS with KVM enabled. I have used disk2vhd (...
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X11, VNC, and Xen: Can't open display

I've been trying to configure Windows 10 with Xen, and I've hit a wall. xl create creates the VM (I can see it in xl list), but I'm not able to connect to it. I thought this might be a Wayland issue (...
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Why can't I run a oVirt Hosted Engine on VMware?

I have VMware Pro and I just want to have a play around with oVirt. The installation was successful but when I go to the control panel and try to create a Hosted Engine it loads for a bit then says ...
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How to pass SSE4 to Libvirt KVM

The box has X5570 cpus. flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc ...
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Enhanced Mode laggy on Ubuntu 19.04

I finally was able to get Enhanced Mode working with some help on Windows 10 Pro in Hyper-V. While it drastically improved the performance, I feel like it is still sluggish. I've read some people ...
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i7-7700k Intel Virtualization Technology not working when attempting to use VirtualBox

I am trying to run a VirtualBox and I am getting VT-x disabled error. I have a i7-7700k which should be able to run Virtualbox AND I have used it in the past and it worked. Intel processor ...
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Switching traffic through a docker container

I am trying to test some switching software that I have virtualized into a docker container. This is the topology I am trying to achieve: When I try to set this up the Iperf client times out as ...
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How to enable virtualization (Vt-x) on Microsoft Surface Laptop Gen 1 [duplicate]

How do I enable virtualization on my Surface Laptop Gen 1? In task manager it shows virtualization enabled but on running Intel Processor Identification Utility it shows it is disabled.
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Does VMware Workstation support PCI Passthrough with the VT-d technology?

Does the VMware Workstation v15.5.1 support USB Passthrough on a Host composed of the Z68x chipset with Intel i7-3770 CPU, which has the VT-d feature enabled (also known as: IOMMU virtualization) ? ...
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79 views

Isolated Network between 2 VM's - VMWare Workstation [closed]

I am attempting to create a testing network for school, I am trying to create a network with VMWare that only allows those 2 VM's that would be on that network to communicate. I am getting into ...
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163 views

QEMU/KVM cpu pinning

I have set up my VM with pci passthrough and now I am trying to set up cpupinning. How do I verify that it does in fact work? My config regarding cpu parameters: ... <vcpu placement="static">4&...
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Media Station (Ubuntu server + OpenWRT + MovistarTV decoder)

I have in mind a technical challenge and I would like if someone could please point me in the right direction so that I can continue myself. I have an old computer (motherboard ASUS P5G41T-M LX, 2GiB ...
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218 views

usb-host is not a valid device name - error when trying to pass USB to Qemu

I have tried to use various variations of adding a usb device to my Windows VM but to no avail. I have a Yocto project derived Wind River Linux, withQemu-kvm` installed. The guest OS is Windows 10. ...
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196 views

ISO vs VMDK based VM [closed]

When I create a VM and specify all its settings, installing the OS from an .iso file produces an OS installation that is influenced by those settings (for example, the installer may adapt the ...
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Split Stereo Input Device to 2 separate Mono Input Devices

I have a Focusrite Scarlet Solo 3rd Gen that I am using to connect my microphone and console audio from my monitor so I can have all my audio in one place. It sends the audio as an input to Windows 10 ...
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234 views

Enabling nested virtualization with virtualbox

I have a main Win 7 machine with virtualbox, an a Linux Mint vm, I want to test some docker containers in the vm, and I am getting some errors saying there's no KVM support. Settings: VM Settings 1 ...
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qemu linux sudden ssh drop and ping fail

On a windows machine, I use this command to launch a linux server with qemu virtual box: C:\Program Files\qemu\qemu-system-x86_64.exe" -m 6096 -boot d -enable-kvm -net nic -net user,hostfwd=tcp::1022-...
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VBoxManager remove config file

Using VBoxManager command line interface on windows 10, how to get rid of config file abcd.vbox created by command VBoxManage createvm --name abcd --ostype linux --register? VBoxManage unregistervm ...
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276 views

Failing to install Ubuntu 18.04 in as a guest in VirtualBox 6.1.0

I am trying to do something really simple but I am having a problem when doing it. I need to install Ubuntu 18.04 as a guest OS in VirtualBox in order to practice Linux material. The thing is, I ...
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1answer
200 views

Windows sandbox memory limit

How do I increase the amount of memory available within Windows Sandbox? The default 4GB is not enough for some heavy programs. There seems to be nothing related in .wsb configuration files
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Share vga among vm

I was wondering on how to passthrough vga to many vm, so that each vm use one of the hdmi port to output to individual monitor. i read about sr-vio for possibility, but havent handon trying.
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How to use GPU acceleration on Docker without DirectX on Windows Containers

Microsoft documents that GPU acceleration can be enabled on frameworks built on top of DirectX here NVidia's base Docker image for CUDA is Linux based here Question: How to enable GPU acceleration ...
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357 views

Permanently Disable Virtualization-Based Security (VBS) in Windows 10 Pro

I'm trying to disable Virtualization-based Security (VBS) so I can run Ryzen Master and still use WSL 2. I've found this Microsoft script which disables it fine but it doesn't persist between reboots....
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QEMU/KVM & UEFI 'unsupported configuration: smm is not available with this QEMU binary'

I have dug through the search engines before coming here out of respect for you. In other words, I try hard to figure out problems before asking someone else to do my own work for me. That said, I ...
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Desktop PC as a “server” for multiple virtual machines (without monitor, only rdp)

I have: Old desktop (AMD Athlon 860k 4-core, 8 Gb DDR3, Nvidia GTX 950, ssd, ups) with no monitor (but I'm able to connect temporary one for setup) I need: 2-3 simultaneously running virtual machines ...
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1answer
258 views

VGA and Audio assigned to VFIO but not USB and Serial Controller of RTX 2080

Summary I'm trying to set-up GPU-passthrough on a linux host with KVM so that I might run a Windows guest for gaming. I've been having a problem where some IOMMU entries (all belonging to the GPU I ...
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266 views

How speedup qemu? My launch parameters very slow

Im try launch VM under windows 10 x64, qemu 4.0.92.0 on my rented VDS qemu-system-x86_64 -m 4G -accel tcg,thread=single -smp cpus=1,cores=2,threads=2 -boot order=d -drive file=C:\Users\admin\...
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5k views

Hyper-V vs Virtual Machine Platform vs Windows Hypervisor Platform settings in Programs and Features? [closed]

What does each setting do exactly? How do they correlate?
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How do I upload a file to a datastore using vmware workstation?

I have setup ESXi 6.5 and created my first VM. In workstation 15, I can't find my way to upload the ISO file needed to install the OS to the datastore. Any Tips ?

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