A virtual machine is an emulation of a guest operating system, running on virtualized hardware within a host operating system.

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How to convert physical Ubuntu operating system into a virtual machine?

A while ago I turned my PC into dual boot with Windows and Ubuntu. But my experience is, that I rarely boot into Ubuntu, so I wanted to make it available as virtual machine in Windows rather than as a ...
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1answer
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Cannot setup PCI Passthrough for display adapter in VirtualBox

VirtualBox supports PCI Passthrough and I'm trying to attach my graphics card to the guest OS (host is Windows Server 2012 and guest is Windows 8.1 Professional - so they should both work with the ...
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3answers
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Run Windows inside a virtual machine on Linux for gaming

Since making the full time move to using Linux (Fedora) from Windows, I've found the migration fairly easy and haven't had much disruption in how I do my work. However, there are some games I like to ...
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2answers
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How to run an encrypted virtual machine?

I wonder what is the best practice for storing the virtual machine encrypted. I tried putting the image it a TrueCrypt volume, but it doesn't work nicely: With the volume unmounted the VirtualBox ...
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3answers
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What is the maximum performance I can get from a Virtual CPU?

While I wait for the IT dept to set up the new hyper-V cluster, I'm reading up on virtual machines. It's a really simple question. If I only have a single VM, with a single Virtual CPU, what is the ...
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3answers
277 views

Can I run a single Mac application inside a virtual machine?

How can I run a single Mac app inside a virtual machine without installing Mac OS X?
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5answers
446 views

Which virtual machines exist for Linux besides VirtualBox? [closed]

What virtual machine software is there for Linux besides VirtualBox?
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6answers
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Virtual PC versus VirtualBox

Which free virtualization software do you guys prefer? I have used Virtual PC and VirtualBox (briefly), any advantage of using either one? Any other recomendations?
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3answers
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Can I fix corrupted vmdk image? VERR_VD_VMDK_INVALID_HEADER

I suffered host crash when running guest OS with VirtualBox. Now the VM won't start and complain that: Could not open them medium '[file.vmdk]` VMDK: inconsistency between grain table and backup ...
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2answers
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virtualbox - Why can't I create a 64-bit virtual machine inside another virtual machine? [duplicate]

I am trying to create a new 64-bit Windows 7 virtual machine inside a 64-bit Debian 7.3.0 instance running in VirtualBox. I am allowed to run 32-bit machines, but I can not create 64-bit machines, as ...
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Create disk image of C drive and run on VMware virtual machine

I run Windows XP SP3 Pro on my desktop PC and I want to create an image of its C Drive. I'd like to run this image in a virtual machine on VMware. How can I do this? Install XP in VMware first – ...
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2answers
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fullscreen VirtualBox [duplicate]

Possible Duplicate: Screen resolution only displaying 800x600 in Xubuntu I recently created a virtual machine of Windows XP for a host computer running Mac OSX 10.6.8 However i find that ...
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Server 2012 - Hyper V Manager, RemoteFX missing From Hardware List

I've installed Remote Desktop Services and Hyper-V on a server running Windows Server 2012. The Hyper-V settings are showing my GPU as selected for use with RemoteFX as below However when I go to ...
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Keyboard repeat stop working on Virtual PC

I am running Virtual PC 2007 (6.0) on a Windows XP host. My virtual boxes are all Windows Server 2003. Every so often, key repeat stops working. Normally in Windows if you hold down any key (Space, ...
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7answers
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Why do I need Windows XP mode in Windows 7?

Tomorrow on 15th of July Microsoft is staring pre-order of Windows 7. I compared the three editions ("Which one is right for you?") for me. The main difference is "Windows XP Mode" in Professional and ...
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3answers
4k views

Portable virtualization software? [closed]

Does anyone know of any portable virtualization software for Windows that will run from a flash drive and doesn't require administrator privileges?
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2answers
782 views

Keyloggers and Virtualization

Whilst pondering about security, and setting up different VM for certain online activities deemed more risky or requiring extra security (banking, or visiting untrusted websites, etc), I came to think ...
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2answers
2k views

Running iPhone SDK on Mac OS X Server in VMWare on a PC [closed]

I have read somewhere (can't find the source now) that Mac OS X is only licensed to run on Apple hardware but that Mac OS X Server can run on non-Apple hardware and virtualised platforms. I have two ...
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3answers
4k views

Is there any Virtualization software which still supports windows 98? [closed]

I have a windows 7 laptop and I need to run windows 98, unsuccesfully on VMWare workstation 8, VirtualBox 4.2, Microsoft Virtual PC and Parallels Workstation.. all of them do not have any GPU support ...
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2answers
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Run VMware Virtual Machine without using the web interface

I have installed the VMware and the only option to log into the Virtual Machine is via the web interface. This way poses several uncomfortable moments: Need to enter the web-interface of VM ...
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3answers
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Running linux kernel 0.01 in a virtual machine

I'm just trying to know if is there is a way to run the first version of linux in a virtual machine. Since I am very new to this, my aim is to learn something basic on how the first version of linux ...
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1answer
681 views

Debian Lenny expects udev on a vps that doesn't support it

Primary symptom: /proc/self/fd is there and normally populated, however /dev/fd is not. Process substitution therefore fails, because bash wants to create files under /dev/fd. /dev/.static/ and ...
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2answers
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Can a 64-bit OS run as a guest on a 64-bit VirtualBox host?

Is it possible to run a 64-bit OS as a guest on a 64-bit machine with VirtualBox? I'm guessing it should be, but I'd like to make sure. Do some virtualization technologies allow a single guest ...
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3answers
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High Physical memory usage on windows 2008 after using virtual box

I have a 16 core machine having 8 GB of RAM running windows 2008 I installed a virtualbox on it and installed windows 2008 64bit os and allocated 4 GB RAM to it . A Mysql database was installed on the ...
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0answers
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Can't access host-only network when on two interfaces

I'm trying to use a host-only connection with my VirtualBox VM. My VM is set up and can ping the host (192.168.56.101) on vboxnet0. If I disconnect the host from my local network (internet access) I ...
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1answer
50 views

x86 live image on a x64 processor

I have a live image of ubuntu, and I will be using it for programming. It came with a book, and the book mentions that it has to be used on a x86 based-processor. I have an AMD64 processor, so my ...
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0answers
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VirtualBox errors out saying it needs more free disk space when space is clearly available

At my work environment we use VirtualBox for testing. It is set up as Windows host and RHEL 6 as client. Now during testing sometimes the error message popping up which says: You need to free ...
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2answers
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Is it possible to run my other partition inside of a VM?

So I have dual boot machine with windows 7 and ubuntu 11. I would like to, at times, run a vm from one partition to another. For example sometimes I would like to do certain things in windows while ...
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2answers
171 views

How to reduce or remove the need for filesystem checks

I am currently running windows 7 in a virtual machine. After several days of disk-intensive I/O, the virtual machine crashes and needs to run a filesystem check when booting the guest OS back up. (The ...
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1answer
236 views

How to install Linux VM on Microsoft Hyper-V

I am looking for step-by-step guide to do so. I can go for any easy to work with Linux distribution , may be UBUNTU. But Hyper-V page says it officially supports only SUSE and REDHAT, others can be ...
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2answers
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virtual machine and client OS

I just adjusted my client OS to scale its display to fit the host Windows virtual box and things began to look warped. I want to undo this new setting and re-employ its display to be back to the ...
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2answers
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How to use a data like a image and song in android on Virtual Box from my computer?

I installed Oracle Virtual Box on Windows 8. Then I downloaded Android-x86. After I installed Android-x86 on Virtual Box from the ISO, and it working good but how to use a data like image and song ...
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7answers
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How does VirtualBox's memory usage work?

I've been running several VM's with VirtualBox, and the memory usage reported from various perspectives, and I'm having trouble figuring how much memory my VMs actually use. Here is an example: I ...
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1answer
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Using virtual box is it possible to set your virtual machine time to be different from host time

Using virtual box is it possible to set your virtual machine time to be different from host time. Say 1 year into the past. If I wanted to run the windows XP images provided by Microsoft from here. ...
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3answers
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Tuning Windows 7 for use in a VM

I'm running Windows 7 in a VirtualBox Virtual Machine, and would like to make it run in a more streamlined fashion. I'll be using the install primarily for testing web apps, and have no need for it ...
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3answers
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Is it recommended to run a firewall/router on a virtual machine?

Googling found me people saying running a firewall/router as a virtual machine is "dangerous" but none of them gives any reason as to why it is so. I also found posts from people who are successfully ...
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10answers
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I want to virtualize my workstation (Tier 1), Looking for Bare Metal Hypervisor for consumer grade components

I find myself in this similar bind at least once a year. The bind whereby I'm either upgrading a motherboard, or an OS hard drive. It drives me crazy to have to reinstall Windows, Visual Studio, all ...
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3answers
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Is it possible to split VirtualBox Hard Drive to multiple volumes?

VirtualBox hard drive usually has one or a few files when you create a drive. I think it is good because you manage only a few files. However, I have out of space of my drive. Is it possible to span ...
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4answers
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How does virtualizing differ from emulation, in terms of structure?

Someone told me that a virtualizing program like VirtualBox does not work like an emulator does in the sense that it doesn't emulate registers and uses the actual ones for the virtualized data that ...
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4answers
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Is it possible to create Portable VM?

I want to know that is it possible to create a fully portable virtual machine using any of the VMWare like products? My objective is to create a virtual machine (XP as guest OS), install some app in ...
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7answers
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Is it possible to “virtualize” an existing PC?

I'm running Ubuntu Desktop 12.04, and I was wondering if it was possible to somehow take my whole filesystem (everything under /) and create an ISO from it. Then, perhaps, use that ISO as the file ...
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4answers
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How can virtual machines consume so little RAM on the physical host machine?

I'm running VirtualBox on a Windows XP machine with 2GB RAM. I've created a virtual Ubuntu machine and allocated it a base memory of 750MB. Just to put it to a test, I ran 20 things at once on the ...
17
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5answers
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VMware Workstation: how to reduce .vmdk maximum size

I have a 150 GB disk file (.vmdk, non pre-allocated) where my virtual machine is stored. The file is currently 20 GB, but it is growing everyday, even though I'm not storing anything new in the guest ...
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7answers
2k views

What's better a better VM app: VMWare, Parallels or Virtual PC [closed]

From a Windows developer's perspective, which VM application is the best? Why?
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1answer
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shortcut to switch between virtual machine and host operating system?

okay so I have windows 8 and am running Lubuntu as a VM using vmplayer. I have my laptop hooked up to an external monitor so I have the VM full screen on my laptop and windows 8 on the monitor. What I ...
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1answer
3k views

Move an existing XP install into VMWare or Virtual PC

I have a computer that has a bunch of things on it that are pretty legacy. It's an old machine, but getting everything on it set up properly on another computer could take weeks, if it's even possible ...
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1answer
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Virtual Box ssh not working on Virtual Box Ubuntu machine

I have Ubuntu 12.10 installed, and 12.04 Server set up in my virtual machine. My VM has internet access, and I can ping it from my host. ping symfony.dev # points to 192.168.56.101, and successful ...
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9answers
2k views

Running Linux inside Windows XP, ie no dual booting

What are the best options that allow running a Linux distribution, such as Ubuntu inside Windows XP, i.e. within a window? By "best" I mean quick startup time, low memory requirement, good graphical ...
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4answers
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Is it possible to get a Virtualbox VM always start from same time, if so how?

I am trying to use VB to set up a Windows 7 VM for use in a training course. I want the virtual machine always to start up from the same conditions, in particular: The VM always starts at the same ...
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4answers
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why does Virtualbox use 15-20% CPU when VM is paused?

I run VirtualBox 3.1 on Ubuntu with a Win XP guest. I have noticed to my surprise that when I pause the VM (its screen grays out) VirtualBox continues using 15-20% of the host's CPU. Is this normal ...