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

learn more… | top users | synonyms (2)

5
votes
2answers
377 views

Is it possible to use a Vista Boot Camp partition inside Virtual Box on Mac OS X

I've got windows Vista installed inside Virtual Box on my Mac OS partition. I've also got it installed under boot camp and I occasionally boot to it when I want to run windows with better performance ...
5
votes
2answers
2k views

How to hide a linux pc from network?

I installed a Linux virtual machine in my windows machine, but I don't want my network admin see the Linux VM. Is there any way to hide it?
5
votes
1answer
3k views

From my 192.168 box, how do I find 10.0 virtual machine on the same box?

I am running Ubuntu 12.04 and VirtualBox 4.1.12. I have created a Debian server under VirtualBox. For reasons I don't understand, DHCP grants my Ubuntu box 192.168.20.50 and my Debian VM 10.0.2.15. ...
5
votes
2answers
4k views

Re-reading the partition table failed with error 22: invalid argument

I have Oracle Linux on a VM and I'm trying to create partitions on /dev/sda2 of size 30 gigs using fdisk utility. I made four partitions each of size 512M and they appear in the partition table. ...
5
votes
2answers
5k views

Unattended installation for windows 7 x86

Are there any pre-created Autounattend.xml files for Windows 7 unattended installation x86? I have been experimenting and creating the XML file but I am always being prompted to choose which hard disk ...
5
votes
2answers
16k views

What are the differences between VirtualBox and VMware Workstation? [closed]

I am planning to download a virtual machine and I'm confused which to download. If any one know more about virtual machines please give me a quick solution. If there is other virtual machines better ...
5
votes
1answer
147 views

My First Virtual Machine

I'd like to create a situation where a standard MS development stack is wholly contained within in a VM such that I can share (via USB enclosure) the identical development environment between main ...
5
votes
2answers
182 views

can a Virtual machine help me!

I have Windows XP 64bit, and have experienced problems with a scanner driver which is not compatible with 64 bit systems. If I install Microsoft Virtual PC, and install a 32bit version of XP onto the ...
5
votes
2answers
7k views

Hyper-V vs. Windows Virtual PC

When trying out the Windows 8 Consumer Preview, I installed Hyper-V. It looked like just another Windows Virtual PC. Could someone explain how it is different? Is there a performance difference? Any ...
5
votes
3answers
854 views

How can I run a Virtual Machine in Windows 8 Developer Preview?

Since having issues installing Ubuntu side-by-side with Windows 8, I thought I'd try running Ubuntu in a VM instead. However, VMWare player has no love for Windows 8 yet (invalid VM86 or something ...
5
votes
2answers
667 views

Virtual OS using same Wallpaper as Host

Greetings, I'm running a guest Linux OS on top of Windows XP, which rotates its wallpapers using the PowerToy Wallpaper Changer. I'm hoping for a way for my guest OS to somehow detect which wallpaper ...
5
votes
4answers
2k views

What is the recommended way of cloning virtual machines in VirtualBox?

Is there any recommended way of cloning virtual machines in VirtualBox? I would like to install an Operating System and then make several clones of that one. I have tried with export and import ...
5
votes
2answers
11k views

How to permanently disable kvm modules in Linux?

In order to get virtualbox to work in Linux I have to run the following commands as root: modprobe -r kvm_intel modprobe -r kvm otherwise I get an error. This works well. The only problem is that ...
5
votes
1answer
60 views

How do I make a virtual machine with non-standard speed of time (timescale)?

I think it should be technically possible, but I don't know of any ways to do this in already existing software. What I mean — the "hardware" clock in the VM should be able to run at different ...
5
votes
1answer
6k views

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 ...
5
votes
2answers
4k views

Temporary use a physical HDD with preinstalled Windows as a Virtual Machine

The situation is this: A friends computer broke and the repair takes 2-8 weeks. I removed the HDD before he sent it to the vendor so he can at least access the data on it while his main computer is ...
5
votes
3answers
11k views

Virtual Machine with support for hardware access: USB 3 (and PCI)

I am in the process of selecting a VM-software. I have a requirement of accessing a custom USB3 device in a VM (Windows 8 64bit guest, host is Windows 7 64 bit). From what I read, VMware would be the ...
5
votes
3answers
6k views

How to create a virtual machine from a .img disk image?

I downloaded a disk image used for a wargame hosted by stripe, but I cant figure out how to create a virtual machine from this image. I'm using virtualbox, but I could use another tool if it would be ...
5
votes
3answers
241 views

Booting a virtual machine non-virtually

I have a VirtualBox virtual machine that I use regularly. In order to use it on many computers, I carry it around on a USB drive. Sometimes, however, I come across a computer that doesn't support ...
5
votes
3answers
141 views

How to only let a user access a virtual machine and not the host machine?

I have friends that are very bad at following directions. I would like to allow them to use the internet from my home, however I am very tired of cleaning up Viruses and randomly downloaded games. ...
5
votes
2answers
2k views

Is it possible to install 2 different versions of an application at the same time

Won't it have any conflicts? Because I am using an old version of virtual box and I want to try the newest version but I haven't still completed my download in the virtual ose.
5
votes
2answers
6k views

Tools to compress and store Vmware images

Is there any Vmware or 3rd party tool to compress and store large vmdk files?
5
votes
2answers
5k views

How do I access an IIS web server on a virtualbox from the network of host machine

I've a site running on IIS on a Windows 8 virtual machine. http://localhost/RTStreamer/Ticker.html How do I access that site from outside the host machine? The host machine ip is 168.192.42.1 I've ...
5
votes
2answers
3k views

Is it possible to live-boot VirtualBox from a USB flash drive?

To clarify, I'm not asking if you can boot from USB from within VirtualBox. I would like to make a portable version of Windows 7 that I can run from a USB drive on any machine. I'm putting a distro ...
5
votes
1answer
4k views

How to copy command line text to host clipboard while using Ubuntu on VmWare?

I have host machine running Windows 7 and VmWare running Ubuntu in command line mode. When I am trying to copy content of command line of client machine to host machine - it is not working. There is ...
5
votes
1answer
1k views

Using VMware/Virtual box to simulate a cluster of nodes, but actually using a single machine

I am developing a webapp using Cassandra database which works on a multi-nodes cluster. But I don't have multiple machines to create a cluster while development. How do I create a cluster using the ...
5
votes
2answers
5k views

Migrate existing Mac installation to VirtualBox

Does anyone know how to make a .vdi .hdd .vmdk or .vhd image of my Mac? I need to make a perfect clone of my hard drive in one of these formats so I can clone my system in a VirtualBox VM (for ...
5
votes
4answers
2k views

More than one XP Mode virtual machines okay under Win 7?

I really like the Windows XP Mode virtual machine that comes with Windows 7 (once you download the integration components). I teach technical training classes, and having a machine configured for the ...
5
votes
1answer
1k views

Unable to start ubuntu 15.04 in Virtual box

The installation went smoothly. But after the first reboot, the distro fails to startup. It is all I see in my screen Virtual box version is 4.3.28 r100309 (Latest as of the time of writing) Here ...
5
votes
1answer
4k views

VirtualBox USB 3.0 Storage Settings

I'm taking a college course where we are using VMs to safely work with the Linux kernel, and as such, we've been told that it would be useful to have our VM stored on a flash drive (if we want to work ...
5
votes
2answers
405 views

Create Google Maps screenshots at regular intervals

Background People are concerned that building a pipeline to the West Coast of Canada will increase the number of oil tankers, thus increasing the probability of a major oil spill, thereby creating an ...
5
votes
4answers
7k views

How to route traffic from VM (Parallels) over an Open VPN connection on the host (OS X)

Scenario: I have a Mac running Lion that is connected to an OpenVPN server I have a Windows XP VM (running on parallels, but I don't think this is important) I want to be able to route traffic from ...
5
votes
5answers
1k views

Run a dual-boot operative system virtually

I have a dual-boot system with Windows 7 and Ubuntu 11.10 installed on separate partitions, according to the following partitioning scheme: 1. MBR for windows 2. Windows system partition (NTFS) - ...
5
votes
1answer
5k views

Do MAC addresses on virtual machines mean anything?

MAC addresses on virtual installations such as VirtualBox are not connected to hardware. Do they have any absolute meaning, and are they registered somewhere, the way hardware MAC addresses are ...
5
votes
2answers
1k views

Building a storage and vpn server on the cheap

I am trying to figure out the best server configuration for the following: Low power (I want to plug the server in and forget about it) High redundancy of data (I don't want to loose my music and ...
5
votes
2answers
2k views

VirtualBox freezes during runtime when running from Win7 but not from Linux

I have a virtual box disk on my NAS so I can use it from Windows as well as Linux. This works fine except on Windows (7) the VM sometimes freezes. The NAS (QNAP TS-109II) occasionally sends me an ...
5
votes
2answers
70 views

What happens to data in RAM after VM is shutdown?

I am wondering, what will happen to data in RAM memory after VM is shutdown? Since the hosting server is still running and RAM is still powered, I believe that the data will stay there until they ...
5
votes
1answer
7k views

Is there a way to install Mac OS on an Azure Virtual machine - or any cloud VM for that matter? [closed]

I want to create a virtual development machine on the could for iOS development. I understand it is against Mac OS License agreement to install it on non-Apple hardware. But is there a LEGAL solution ...
5
votes
1answer
3k views

How to hide from a program that it is running on a virtual machine?

Some software contains tests to see if they are running on a virtual machine. It's very unpleasant to see alert messages such as "Sorry, this application cannot run under a Virtual Machine." and have ...
5
votes
1answer
1k views

Do VMware, Virtualbox & Virtual PC play nicely together?

Lately VirtualBox has been a bit unstable and I want to try other VMs. If I install VMware and Virtual PC on the same host as VirtualBox will it cause problems (eg. crash the host)? What if I try to ...
5
votes
4answers
2k views

What is the best VM for developing WPF apps from within OS X?

All of my machines are Macs (Mac Pro, MacBook Pro, MacBook Air and Mac Mini (and Apple TV 2.0 too! :) ) but for my day-job, I develop .NET/WPF applications. Normally I just boot into Boot Camp and ...
5
votes
3answers
4k views

Tor in virtual machine - 502 bad gateway

I'm trying to run Tor in virtual machine. It used to work, but now when I try to access sites I get "502 bad gateway" error from Privoxy instead of requested site. I tried fixing time to correct one ...
5
votes
1answer
1k views

VMWare Player will completely hide taskbar, and behave oddly after locking workstation

At work, I develop on a PC running Windows Server 2008 R2. Due to some application constraints, I also run a Non-Commercial version of VMWare Player using Windows 7 on top of my Windows Server. When ...
5
votes
1answer
529 views

what is the fastest way of sharing files between VMs?

I've got four guest OS (2 Window XP, 1 Ubuntu VM, 1 FreeNAS) with guest additions installed on each, hosted on an Ubuntu server (12.10) using a headless VirtualBox (4.2.6r82870) setup. Currently, I'm ...
4
votes
4answers
896 views

What is a good (free) VM solution for windows 7

The obvious candidates are Virtualbox and Virtual PC. But I have not been paying attention to VM's the last year, have I missed a good alternative?
4
votes
5answers
5k views

Linux kernel yield() functionality

When I start VMWare Player it gives me this message: How can I setup my system so that this yield() functionality is automatically enabled?
4
votes
3answers
334 views

Can guest OS break host OS?

Suppose, I use Debian unstable or experimental version as guest OS. After installing new software it completely breaks the system. Can it also affect host OS?
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 ...
4
votes
3answers
27k views

How do I recover files from a corrupt VDI file?

Is it possible to repair a corrupt VDI file? The OS on the VDI (XP) doesn't boot at all, it just hangs at a black screen. I was getting file errors before on its last boot, but now its not working at ...
4
votes
4answers
1k views

How do I check if a program can potentially be a virus?

I am running Windows XP in a VM. I want to download a few applications and install the one by one and check if they potentially can be a virus. I assume virus would need to add something to the ...