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 can I run the same Linux Installation on my hardware and in a virtual machine?

I've started some development that requires Linux (I'm currently on Ubuntu, but I may switch to Debian), but I still use Windows 7 for my day-to-day computing. I have already tried a dual-boot setup, ...
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How can I mount an external hard drive in a VirtualBox machine

I have installed Virtual Box on Machine and setup a Ubuntu 9.10 machine. And I have an external hard drive formatted for linux. But when I hook up the external hard drive, my ubuntu 9.10 can't see ...
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53 views

Replace Hyper-V Virtual Disk

Some updates crashed my hyper-v virtual machine. The good news is I created a copy of the vhd file yesterday, will have to reinstall programs, but at least I won't have to start all over. I deleted ...
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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 ...
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524 views

How to run Windows 3.1 under Windows XP (or Windows 7)

We've had a nasty one come up at work. We have to resurrect and modify a piece of code that was last built sometime in the late 1990s. The toolset ran on Windows 3.1 and 3.11. It does not run under ...
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608 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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5k views

Virtualized Screen Resolution

I have a 64 bit Ubuntu 9.10 workstation with two virtualized guest OSes using KVM/QEMU. Also both 64-bit. One is Fedora 12 the other is beta of Ubuntu 10.04. The problem is that I would like to use ...
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939 views

Fusion: create “headless” virtual machines?

Is there a way to run a VM in Fusion that starts when the machine does, but I can then access via Remote Desktop (Windows) or ssh (Linux) rather than by opening the Fusion app, starting the VM, and ...
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Windows 7 Virtual PC VM 16 Bit Resolution

I am running Windows 7 Ultimate 32-bit with Virtual PC installed. My XP Virtual Machine screen resolution has 16 BIT 1024*768. I can't get it it 32 BIT. I've reinstalled the VM components but to no ...
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VirtualBox: have higher guest resolution than host resolution

Is there any way to have a guest machine have a huge resolution (like 3000x2000 or something) in VirtualBox? I'd like to be able to move around the desktop by scrolling around. It seems like it would ...
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531 views

Pitfalls of Windows XP Virtual Machines

What problems have you faced when registering and activating Windows XP under VirtualBox or similar?
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97 views

Listen to audio of a virtual machine in the background?

I know it's a weird question but the scenario is that I am a Windows user and I made a script which reports "something" with a sound in a Debian virtual machine, but when I have it minimized I can not ...
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Is it possible to boot a single Linux installation from both inside a VM and as host?

What I am thinking about is, that I'd install a linux on a hard drive to boot it normally. In addition to that, I'd create a VM on Windows, that would use the same raw mapped hard drive. That way I ...
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772 views

Unable to ssh to a Linux VM after a day

I have a machine running 4 VMs on it. There is one Fedora VM which is causing me some trouble. The IPs of the VMs are something like 10.100.100.* I have a Windows PC which is in the same network. It ...
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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 ...
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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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3k 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 ...
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Minimize VirtualBox Hard Drive disk

I have Ubuntu Server 10.04 TLS installed on a Virtual Machine in a VirtualBox. The size of the Hard Drive is dynamic growing hard drive and the maximum is 32GB. At the beginning i had 4GB on the Hard ...
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443 views

emulator and virtual machine

I was wondering what differences and relations are between emulator and virtual machine? Is one a special kind of the other, and what are some other kinds in the other? I don't quite understand about ...
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Are virtual machines safe? [duplicate]

Possible Duplicate: Virtual Machine and Virus I am running a virtual machine on VirtualBox. Assuming that I have no shared folders between the host and guest OS, is the guest OS completely ...
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1k views

vpn through vpn

The target VPN server I want to connect to allows connections only from one IP address. When I am at my office (the network public IP is trusted on the VPN server) everything is OK, but I figured ...
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1answer
676 views

Is it possible to run several virtual machines each with independent mouse+keyboard on a single PC? [duplicate]

My goal is to instead of buying 4 separate basic PCs (plus the obvious peripherals), buy just one fast PC and the peripherals. I'm wondering if I can use a more powerful computer, say, one with core ...
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325 views

Virtual PC with Multi Monitors

I have recently intalled Virtual PC and was wondering if it possible to make use of both of my monitors with it. I have managed to get a pseudo multi screen effect by connecting using Remote Desktop ...
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How to give virtual machine access to the Internet, but block from LAN?

I am setting up a virtual machine using Microsoft Virtual PC in Windows 7. The VM will run a Windows XP. I want to set up a public-facing server in it for web pages, subversion and other things, and ...
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Running a single virtual machine

How would you configure a computer to run a single virtual machine? Keeping it virtual is important to: Create snapshots Achieve hardware independence The server in question is a build server ...
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Possible to have multiple virtual monitors for a VMware guest in windowed mode?

Using VMware Workstation 10 on Windows, I've read "Use Multiple Monitors for One Virtual Machine" and managed to make it work as described when running the machine in Full Screen mode. What I would ...
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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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989 views

How do I prevent virt-manager from asking for the root password?

When starting virt-manager, it asks for the root password. It looks like virt-manager causes the libvirtd daemon to run pkcheck with a couple of arguments, which then shows this authentication ...
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Some VMWare images take long to resume from suspension as compare to others

I am using VMWare Workstation 7.x. I have a few Windows Server 2003 images which I use regularly. They all started with the same image and were created by cloning. There is some difference on the ...
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112 views

CPU modes and recursive virtualisation

I'm trying to get my head around virtualisation and hypervisors. So the top OS, say Linux, runs in ring 0, with userspace programmes running in ring 3. The user boots up VMware, with Linux running ...
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577 views

OS 10.7 Lion a resource hog? Help on RAM issues

I just purchased a new Macbook Pro to replace my aging 2006 model. I am running Lion with the latest updates, I have a 2ghz i7 processor with 4gigs of RAM. I need this machine to do .Net ...
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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 ...
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201 views

Trouble with Ubuntu on Oracle VM

I'm running Ubuntu on an Oracle VirtualBox virtual machine. I clicked the "install Ubuntu" button, and it took me through a wizard. I am currently on the following step: Unfortunately, the ...
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522 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.
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951 views

How to create 2, or 3, or 4 Virtual PC with Win XP on it on Windows 7's Virtual PC?

The default Windows Virtual PC installation sets up one Virtual PC with Win XP on it. I wonder how do we set up 2 or 3 or 4 machines, all with XP on it? There seems to be a way, but it is not ...
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VirtualBox crashing with Windows 8 guest & Guest Additions

I'm trying to install the Guest Additions for Windows 8 x64 running in VirtualBox 4.2.4 OSE on a Linux x64 host. The Guest Additions installer will, every time, crash the entire VM, bringing it ...
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VirtualBox shared folder write permission - Ubuntu 12.04

I'm using the following command to mount my folder in VirtualBox: sudo \mount -t vboxsf -o rw -o uid=1000 -o gid=1000 Dropbox ~/Dropbox/ However, the folder is read-only. I re-installed Guest ...
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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 ...
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Start specific virtual machine in VMware in Unity mode on host startup

When I boot up the host computer I'd like the VM to boot up too and enter unity mode. Both OS's are Windows 7. How can I do this?
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VirtualBox freezes when using anything but NAT

I have an Ubuntu(10.04.3 64bit server) guest VM on an ubuntu(11.04 64bit desktop) host. The guest VM defaulted to the first network adapter as NAT. Now I want to enable bridged mode, but every other ...
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924 views

firewire emulation for virtual machines

As is well known by people that have the joy of having a FireWire professional audio interface, virtual machines (VirtualBox, VmWare, etc.) cannot access FireWire devices. I'm wondering if there are ...
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Home Server/NAS solution

I'm waiting to build a scalable server that I can shove VMs onto with a NAS application as well. These are my requirement that I have come up with so far (in descending order of priority) Reliable ...
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789 views

Is it possible to have a bootable Ubuntu partition that you can also access via a VM (ala Windows/Boot Camp/VMware or Parallels on Mac)?

I'm hoping to do something similar to the way you can install Windows on a Mac's 'Boot Camp' partition, but then you can also open that partition as a Virtual Machine using Parallels or VMware from ...
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1answer
937 views

VMware Workstation “Recording/Replaying VM activity” feature

I have seen some documentation about a "Record/Replay VM activity" feature in VMware workstation 6 and 7 here : http://cto.vmware.com/the-amazing-vm-recordreplay-feature-in-vmware-workstation-6/ ...
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196 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 ...
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Can't take control of USB drive on VMware

I'm running VMWare Workstation on Windows 7 x86-64, and a Mac OSX 10.8 inside the VM. Whenever I try to connect my USB drive to the Mac OSX guest, it just doesn't gets recognized, i've already tried ...
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382 views

Windows 2000 under Windows 7 Virtual PC not working correctly

I have just moved my Windows 2000 Virtual PCs from Vista to Windows 7 Professional (64-bit). The machines work to a point but I have found some problems: drive mapping does not seem to work any ...
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Where does the Filezila and two user accounts come from?

Good day to you all. I suspect, with almost undeniable certainty, that the VirtualXP is at fault. For the past 6 months--surely longer--I have been coming back to my office to find that there are ...
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Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
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847 views

Move VirtualBox VM to another host OS

I have created a VirtualBox VM Windows Server 2008 (32 bit version) on my Windows XP host. After that, I copied the VM on another host machine (also Windows XP), and it still worked fine. But when I ...