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

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33
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4answers
40k views

Is my host machine completely isolated from a virus-infected virtual machine?

If I am running a Windows 7 virtual machine on a Windows 7 host using VMWare or VirtualBox (or anything else) and the virtual machine is completely overloaded with viruses and other malicious software,...
12
votes
6answers
6k views

Does the Virtual PC XP Mode need safety measures?

Does the Virtual PC XP-Mode (or any other virtualized mode) require safety measures, such as antivirus or a firewall? I'm just wondering if the XP-Mode would be a large security loophole, since it's ...
36
votes
7answers
47k views

Can a virus from a VirtualBox VM affect the host computer?

Can a virus from a VirtualBox VM affect the host computer?
49
votes
5answers
87k views

Is it possible to convert virtual machines to physical environments?

Is is possible to convert a .vdi file into a .iso that can be burned to a cd or dvd and make it like an installer. Or Is it possible to convert virtual machines to physical environments?
10
votes
4answers
3k views

Booting into a Virtual Machine from a physical installation

In Mac OSX, you can create a Boot Camp partition, install Windows on it, and then later by using Parallels you can boot into that OS virtually in OS X! Its awesome, I've been using it on my macbook. ...
35
votes
1answer
95k views

How do I install and use Windows Virtual PC in Windows 8?

I really liked the integrated Virtual Machine that Windows had built-in with Windows 7, known as the Windows Virtual PC. I'm looking to install that again. I'd like to be able to install multiple ...
17
votes
6answers
5k views

Which virtual machine software is preferable for running Windows 8 Developer Preview? [closed]

I want to preview Windows 8 and decided to install it on a virtual machine as I don't want to format an existing partition. Installing Windows 8 by mounting the .iso results in the primary ...
60
votes
3answers
55k views

How do I get out my embedded Windows 8+ key from a Linux environment?

I have seen other SuperUser questions on this topic: How to find Windows 8 product key? | How to find Windows 8 OEM product key? However, all of the answers assume you have Windows 8 running. I've ...
22
votes
8answers
12k views

Virtual Machine and Virus

I have a requirement for which I have to get online without protection (firewall, anti-virus). At the same time, I don't want to risk getting infected with viruses. If I install a virtual machine (...
21
votes
3answers
21k views

Dedicated mouse and keyboard for a virtual machine, is it possible?

Let's say I have a PC with two monitors atached. I'm running e.g. Windows Vista natively, and start up a virtual Ubuntu PC. I change to fullscreen mode so that on one Monitor, I see my Windows Desktop,...
2
votes
4answers
3k views

Host and guest suddenly cannot communicate in bridged mode after working fine before

Up until a few hours ago, my VirtualBox setup worked perfectly, Windows 10 Host, Ubuntu 15.04 Server and Linux Mint 17.2 guests. Both guests set to bridged networking mode and every device on my home ...
87
votes
9answers
27k views

How can I take browser screenshots at a higher resolution than my browser supports?

I need to take a screenshot of a website as it would appear on a very high resolution monitor... say 4000x3000 pixels. My laptop's screen has a native resolution of 1400x768. Basically, I need to ...
103
votes
5answers
97k views

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 ...
23
votes
5answers
44k views

How do I convert a VDI HDD to a VHD file?

Is there a way to convert a VDI HDD to a VHD?
15
votes
3answers
19k views

How can I increase the Hyper-V display resolution?

I just started experimenting with the Hyper-V of Windows 8 and installed Ubuntu on it. However when I launch it my screen resolution is small. How can I scale Ubuntu to the resolution of my screen?
7
votes
2answers
1k views

Can't find the right Ubuntu Server ISO for VirtualBox

I have been trying all morning to find the right Ubuntu Server (12.04) ISO to use for installing an Ubuntu guest OS on my VBox VM. Here are the relevant stats: Host Machine: AMD 64-bit Host OS: ...
67
votes
8answers
221k views

Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it doesn'...
13
votes
2answers
14k views

How do you add more space to a Fedora (LVM) partition?

In a nutshell, i have a VM that ran out of space. I increased the size of the VM's harddrive to be 4 times bigger but the OS partition is still only using 1x the space. I need to change the LVM ...
4
votes
8answers
5k views

does Windows 7 come with something like Virtual PC built in?

does Windows 7 come with something like Virtual PC built in? I have an i7 which is suppose to be great with virtualization and I wanted to try it out. Is there a specific app I should get that takes ...
-2
votes
2answers
2k views

Where to find the Windows 8 ISO? [closed]

I'm on OSX and I've bought Windows 8. I'd like to run it in VirtualBox. I can't seem to find an ISO to download. Do you know where I could find it? (Or is there some other way to set up a vm?)
0
votes
1answer
2k views

How to share files/folders in Sun VirtualBox?

I'm running on Windows 7 and using Sun's VirtualBox, and I already shared my folders in the settings of my VirtualBox installation. The problem is I can't figure-out how I can access it. I also tried ...
19
votes
7answers
26k views

Limiting CPU speed in a virtual machine?

Does anyone know of a way to limit the CPU speed in a virtual machine? Or if there is even a virtualization software that allows you to do this? I am trying to find the minimum requirements for a ...
14
votes
2answers
41k views

How can I connect to a web server running in a VM when the VM is in NAT mode?

I've got a development webserver on an Ubuntu box inside of VMWare Workstation 7.1.3. I'd like to run a web browser on a Windows machine (the host OS) for actually testing a web page I'm working on -- ...
4
votes
2answers
3k views

How to turn a Windows XP partition into a VirtualBox virtual machine?

How can I turn a hard drive with XP into a VirtualBox virtual machine?
7
votes
2answers
9k views

Converting existing PC into a VM with Virtual Box

I'd like to convert my laptop (Windows Vista) into a VirtualBox VM. I think there is a utility for VMWare, but is it possible to do with Virtual Box? Also, do I need another (host) PC to run the ...
3
votes
7answers
8k views

Does VMWare Fusion negatively affect system performance?

Since installing Fusion my Mac Pro seems to hang (SPOD) more often even when Fusion isn't running. Has anybody else experienced this? My Mac Pro never used to display the SPOD at all but now it ...
3
votes
2answers
10k views

How do I migrate my Windows desktop to a VirtualBox VM?

I have VirtualBox 4.3.6 and True Image 2014 Premium with Universal Restore. I've read a lot about different methods but I'm not sure where to start, or what will suit my needs. Directly from ...
5
votes
3answers
3k views

Should I enable Firewall and AntiVirus on a VirtualPC VM? [duplicate]

I run W7 64-bit with windows firewall + MSE running, and there is a firewall on my router also. I want to run a VM (probably using VirtualPC which comes free) but I'm unclear if this is guarded by the ...
2
votes
3answers
4k views

Can virtual machines infect their host? [duplicate]

Possible Duplicate: Virtual Machine and Virus I've always been curious because I've run a virtual machine a few times. Can a VM infect the host with a shared drive between the two? Can a VM ...
2
votes
4answers
5k views

Can't access VMware virtual machine through SSH

I have got a VMware Server 2 on a CentOS 5.6 host. I can access my virtual machines from the host machine, but I can not access it from other machines. I have configured NAT port forwarding. But ...
0
votes
2answers
3k views

BSOD trying to migrate Windows XP from a physical to a virtual machine

I am attempting to migrate a Windows XP Home installation from a physical machine to a virtual machine. The physical machine has two hard disks; the first is 250GB containing the "C:", the second is ...
32
votes
5answers
33k views

Ubuntu Server VM: copy paste?

I've installed Ubuntu Server under Virtualbox just to get a nice little shell. I've also installed the VirtualBox "Guest Additions" and set "Shared Clipboard: Bidirectional". I still can't seem to ...
19
votes
2answers
9k views

How to easily port VirtualBox machines?

I have used VMware for a long time. VMware saves all the information for one machine in one directory. This means it is easy to zip and copy. Now I switched to VirtualBox. VirtualBox seems to save ...
15
votes
3answers
51k views

Change MacOS X guest screen resolution for VirtualBox

I have tried all alternatives and resources that I found on internet to achieve to change screen resolution in my MacOS X guest. I have the latest VirtualBox version (4.1.22) and I have MacOS X 10.6.3 ...
6
votes
8answers
624 views

Running XP as a virtual machine - suggestions wanted

I want to run a Windows XP virtual machine, and not pay for any licenses (I already have a valid XP license for installing on the VM). What software would you recommend? Tips on performance and ...
21
votes
3answers
6k views

Dedicated Mouse and Keyboard on VirtualBox VM

Currently I am trying to run VirtualBox on my second monitor, with a dedicated mouse and keyboard. However, doing so has not proven easy. There has been times where the mouse works, but not the ...
10
votes
1answer
9k views

Gparted cannot resize extended or LVM partition

I created a VM using VirtualBox and realized it was small. So, i managed (after some time) to create a new, bigger HD. Live GParted CD image (v.022): Now I need to integrate the unallocated ...
7
votes
2answers
7k views

How to correctly sync time in linux running as virtual guest after host resumes from hibernation?

I use multiple virtual boxes for development and correct time and date is important for me when I push git commits. I do not shut down my host - it runs for months without restarting. I only hibernate ...
20
votes
3answers
10k views

Can I “transfer” my Windows 7 license to a virtual machine running on the same computer?

I've read the blog post on license transfer, but I'm not clear in the case where I already have a licensed, activated copy of Windows 7 running on my PC but want to move that license to a VM running ...
6
votes
1answer
4k views

VMWare Player slows down computer after exit

After exiting VMWare player, my main OS (Windows 7) lags and slows down tremendously. The HDD is seeking excessively. I see that the issue is that it's swapping tons of pages rapidly. This lasts ...
5
votes
2answers
411 views

Benefits & Practicality of Virtual Machines [closed]

I have been living under a rock for the past 5 - 8 years, and am just now getting up to speed with virtualization, virtual machines and platforms like VMware or VirtualBox. I think I am starting to ...
3
votes
3answers
5k views

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 ...
3
votes
2answers
22k views

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 – ...
1
vote
1answer
5k views

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 ...
10
votes
4answers
8k views

How do I stop VMware player from resizing?

I just downloaded VMware player (I used to use Virtual Box, but I needed Windows Aero, and vbox doesn't support that yet) But it will automatically resize the guest when I resize the window, and I do ...
6
votes
3answers
10k views

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 ...
5
votes
2answers
7k views

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 ...
3
votes
3answers
4k views

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 ...
3
votes
3answers
4k views

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 ...
3
votes
6answers
2k views

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?