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

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making copy of one server to another

I have three identical hardware machine. I want to install and configure centos server on all machine. I need to have exactly same configuration. After some research,I know there is a way of making ...
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Activate vxm on Chromebook C720

Not sure if this is possible, I have a Chromebook C720 running crouton, I need to turn on vxm in the BIOS, but as far as I remember I have never entered a BIOS on the device. Has anyone had success ...
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50 views

Can't install Intel HAXM with i5-6260U - apparently it doesn't support VT-x?

I'm trying to install Intel Hardware Accelerated Execution Manager (HAXM) for improved virtual Android devices. Taken from the this page, the hardware requirements are; Hardware Requirements: ...
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5answers
10k views

Cannot boot after vhd hard drive is resized in VirtualBox

In Windows 7, I set up another Windows 7 VM in VirtualBox. It worked great. Then, I needed to increase the vhd HD size. So, I used VBoxManage utility to do that with the following comment: VBoxManage ...
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2answers
102 views

Vmware Workstation - Cannot open disks xxxx or one of the snapshot disks it depends on

I'm running Centos7 using Vmware workstation on windows 7 laptop. All was well until I restarted my laptop this morning & my VM started complaining as below The parent virtual disk has been ...
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37 views

What does a hypervisor means in the context of virtual machines?

In this Harvard lecture about HTTP and VPS at min 59:00 https://www.youtube.com/watch?v=8KuO4r5CHjM the lecturer talks about Virtual Private Servers and Virtual Machines. He said that they are managed ...
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19 views

What does overprovisioning mean in the context of virtual machines?

I am watching a lecture from Harvard and it talks briefly of the overprovisioning problem the VPS servers have and I did not meed this term before.
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2answers
114 views

Solution Virtualization not Supported, BIOS missing virtualization option?

In my system BIOS virtualization option is missing. After research found that my system doesn't support virtualization. Laptop model : HP DV6-1152TX Processor : Processor type - Intel Core 2 Duo ...
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6answers
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Can a hypervisor like VirtualBox be used to launch a virtualized OS which is also directly bootable?

This question is rather theoretical: Suppose I have a PC with two different OS on two different partitions: OS1 on sda1 and OS2 on sda2. Is it somehow possible to set up a program like VMWare or ...
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1answer
567 views

QEMU with GPU pass through won't start

I'm running Ubuntu and trying to configure QEMU with a GPU pass through. I was following those guides: https://www.youtube.com/watch?v=w-hOr44oBAI ...
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1answer
12k views

How to enable hardware virtualization on a MacBook?

I need to enable hardware virtualization on my MacBook Air 2013. I want to run the Windows Phone 8 emulator, which requires hardware virtualization. I am running Windows 8 in boot camp. On my old PC, ...
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1k views

RT2800 USB: monitor mode using Virtual Box

Information I am using a WiFi USB Adapter and the latest version of Kali running under VirtualBox. Chipset: Ralink RT2870/3070 Driver: rt2800usb Manufacturer: TP-Link FCC ID: TE7WN727NV3 It is ...
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2answers
29 views

hyper-v 1 network card same ip address

I have a windows 10 laptop with hyper v enabled. I want to be able to have the virtual machine access the host as I am trying to restore an old laptop. I have set up Microsoft loop back network ...
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2answers
129 views

Physical console (screen+keyboard) dedicated to VM

I have a relatively powerful computer used for playing games in Windows, not too demanding games but with definite need of the GPU card (NVIDIA GeForce GTX 760). I would like Windows to run in a VM, ...
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2answers
133 views

My virtual machine (or host system) cannot use RAM correctly

I have virtual machine windows server 2008 which stands on Oracle VM VirtualBox. I declare 8GB of RAM for this machine. On my host machine (windows 7) I have 16GB of RAM. When I start virtual ...
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42 views

Best host for virtualization Windows XP on notebook

I bought notebook http://www.fujitsu.com/fts/products/computing/pc/notebooks/lifebook-a514/ , but i cann't install Windows XP on it or run clonned one. Think to use virtualization. What host best to ...
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1answer
377 views

Is it possible to have a hypervisor with Nvidia SLI 980 pass-through gaming setup?

I am looking into reformatting my computer. I would really love to get rid of Windows finally and only use Linux for gaming/work. Sadly I am not sure this is close enough to be a reality yet. I am ...
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1answer
17 views

VirtualBox state can not be saved

I can not save the state of my VM, but get the below error. What can I do? Host: Linux Kubuntu 14.4 Guest: Windows 7 Error Message: The state of the virtual Machine MyWindows7 can not be saved. ...
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111 views

How to get VirtualBox VMs to my new host?

On my old computer I just copied the folder VirtualBox VMs to my external harddrive. Now I would like to restore those VMs. How am I able to do this using the folder "VirtualBox VMs" that I copied? It ...
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3answers
12k views

How do you turn off Virtualization Technology (VT-x) on an Intel Core 2 Duo E6600?

I'm trying to turn off Intel Virtualization Technology (VT-x) on my Intel Core 2 Duo E6600, and I've got an Asus P5N32-E SLI LGA 775 nForce 680i motherboard. I looked through all the bios settings ...
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9answers
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How do I find the IP address of a virtual machine using VMware Fusion?

Can I determine the IP of a virtual machine using VMware Fusion without actually entering the operating system running on the virtual machine? I'm looking for a menu option, command line, or otherwise ...
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198 views

Is that virtualisation scenario possible for free?

I'm currently building a home server to do various tasks, but i have a problem with the OS to put on top of it. Right now I have a FreeNas, an IPCOP and a standard debian distro (hosting my dev ...
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1answer
155 views

I can't start virtual machines on my VirtualBox in Windows 7 Starter

This was a fresh installation of the software and VirtualBox gives me this error message after starting a virtual machine I created: Failed to open a session for the virtual machine PinkiePie. ...
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33 views

Relative cursor (infinite mouse movement) for VirtualBox

I'm trying to play Fallout 2 in VirtualBox with Windows XP. The problem is that with low mouse sensitivity in game my mouse cursor is limited to a small box because it stops at the host system screen ...
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54 views

Running Linux and Windows (dual-boot and virtualize the same machines) and hibernate

Let's imagine the following scenario: You have Linux and Windows installed on the same computer in a way that you can boot and virtualize the same machines. You're currently running Ubuntu on the ...
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What's the recommended way to move a VirtualBox VM to another computer?

I use VirtualBox 4.1.x on my Ubuntu machine and I’ve set up several virtual machines. Since there are several ways one can move a virtual machine in VirtualBox to another computer, I was wondering ...
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54 views

VirtualBox abort guest VM intentionally

I am wondering if someone knows how to abort a VM (linux box) in VirtualBox 5.0 intentionally? I've googled this to no avail as everyone complains why their VM's get aborted in state. I am recreating ...
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1answer
43 views

Virtualization Performance Windows 10 on Debian

I have a PC with an AMD Athlon II X4 635, 2,9 GHz and 8 GB RAM. Because of my soon to be new job as an trainee for network administration, I want to know, if I might be able to virtualize windows 10 ...
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378 views

PCI passthrough KVM

I am trying to passthrough my Tesla K40m GPU accelerator to a qemu-kvm virtual machine via the VFIO driver on Ubuntu 14.04.2. I downloaded all drivers and CUDA libraries, and I compiled all sample ...
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2answers
8k views

VT-X option not available in BIOS even if Intel Core supports VT-X

Im trying to speed up an android emulator using VT-X but there is no VT-X options in my BIOS. Even worse, my BIOS is almost empty! There is only the change password, which way to boot, information and ...
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46 views

Virtualization is locked in BIOS

I want to run virtual machines on my computer, my Windows is currently 32-bit and I'm switching to 64, I don't know why they gave it with 32 because It would work with 64. When I go to the BIOS the ...
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linux KVM Virtualization: USB cameras and nvidia graphics cards with dual display

I wonder if is possible to create with KVM guest machines (Windows and Linux) they can use 2 monitors (in desktop extension), USB cameras and graphics cards like Nvidia
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Vagrant ssh fails with VirtualBox

vagrant up fails when it gets to the ssh part: myterminal$ vagrant up [default] VM already created. Booting if its not already running... [default] Running any VM customizations... [default] Clearing ...
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2answers
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Error opening Ubuntu 12.04 LTS on VirtualBox version 4.3.16

I was working on my Ubuntu/Virtual Machine, when my laptop battery has discharged. After that moment, when I try to open Ubunutu on Virtual Machine I get the following error: There is no virtual ...
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Can I create and deploy the same native Windows 10 VHD to multiple computers?

Edit: Going to load evaluation copies/Education copies that participants have licenses to. I have a Windows App Dev bootcamp coming up and instead of making the people who don't have Windows 10 on ...
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Running a bare-metal hypervisor and VM on the same machine

Is it possible to install a bare-metal hypervisor on a computer and run VMs created using that on the same computer? what I'm going to achieve is like Installing a VMware workstation on a Microsoft ...
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37 views

What is a better way to allow guest VMs access to the same SSL certificate?

I currently have a host VM set up with letsencrypt to generate security certificates for my domains. I run several services inside VMs (which all use those certs) on that machine, and wish to continue ...
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32 views

Is it possible to emulate old non-atx power supply in VirtualBox

I want to emulate old non-atx power supply in VirtualBox or other similar virtual PC emulators. Is it possible?
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virtualizing a physical ubuntu for an other computer

I have a mini-pc with Ubuntu 14.04 installed. I would like to virtualize the HDD using xenConverter. I Wonder if the idea of virtualizing and use the produced image on another computer is good : ...
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Abnormally slow CPU speed in Windows 10 Task Manager, with virtualization disabled

In Windows 10 Pro Task Manager, CPU speed shows a constant and unchanging value of 1.18GHz, while nominal CPU speed is 2.50 GHz. Dual Intel Xeon E5-2680 v3, on a Intel S2600CW2S server board. Per ...
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473 views

What is the best way/Software to manage multiple short lived instances of virtual machines? [closed]

We have a QA department that have to test our software on multiple combination of OS and DMBS. With Windows spewing out many different versions the combinatorial math of all this can be daunting. So ...
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Can i still get a virus from a virtual machine?

I have set up a virtual machine for virus testing. Is it really safe so my Host pc can't get any virus? I have avast running on my host pc and mbam on my guest. When i download any virus, mbam ...
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1answer
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What is the difference between vmWare Workstation and vmWare vSphere?

It may be a dumb question, I already did googling but did not get a clear answer for me: What is the difference between vmWare Workstation and vmWare vSphere? Can vSphere be used instead of ...
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1answer
40 views

Do CloudStack and Hyper-V get along?

Here is the deal, I need to hook up my Hyper-V environment to my HostBill environment so customers can restart, shut-down and install new virtual machines. Since HostBill doesn't have a Hyper-V ...
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Virtual Sound Card for Windows Server 2008 R2 SP1 x64 virtual machine

I have e2eSoft VSC - Virtual Sound Card successfully installed on my Windows Server 2008 R2 SP1 x64 virtual machine. It seem like driver works (new audio device in Device Manager group and VAC control ...
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How do OS X Virtual Midi Busses work

I'm wondering about the internal structure of the OS X Midi Bus (IAC Bus) Is it a service that runs on specific port? Is it written in a specific language. Is it using particular elements of the ...
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virtual machine with dedicated GPU - is it possible? Private GPU Cloud

This is also referred to as cloud GPU. I want to build a VM host (VMware or windows - or other?) that will have 8 GPU's on it, and the VM clients will be able to use the GPU's as needed. It can ...
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190 views

Run Windows 7 over Linux without Intell VT support with free software

I have dual boot, and additionally I want to be able to run Windows 7 (that installed directly on hard disk) over Linux (CentOS 5.5), but my processor doesn't support Intel VT (hardware ...
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Intel Virtualization Technology and VT-X won't work in Windows 8.1

I am trying to run an x86 Android Virtual Device using Intel Virtualization Technology and VT-X. These features are required for the emulator to run correctly. However, I can't seem to get it to work. ...