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

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Windows XP virtual machine in VirtualBox fails to boot after disabling VT-x/AMD-V

I use VirtualBox 4.3.4 and i want to move a "Windows XP base VM" from my PC to my laptop. I have a 64-bit windows 8 in My PC so VirtualBox support CPU Acceleration and Hardware Virtualization. but ...
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How can I expose a dictd service to my local machine from a VM?

I have a dictd service running inside my VirtualBox server and I want to expose it to the machine that the VM is running on, I've set up the port forwarding in Vagrant and other services seem to work ...
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8 views

Cannot ping virtual machine (VMWare)

Here is the situation: I have Windows 7 on both host and VM. Network connection on VM is set to NAT, both machines are in the same workgroup, I have turned off password protection for shares, enabled ...
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7 views

Issue accessing Web service on Guest Win 7 VM (Parallels) from the Mac host

My Parallels Desktop 10 network configuration is set on Bridged network ->default adapter. I am trying to access a windows 7 guest OS from my Macbook Pro on Mav 10.9.4. I am able to access the guest ...
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22 views

Handling all files in windows7

I'm using Windows 7 at my home. I have a number of personal files. I want to share the files with my friends but they should not be able to modify or delete the files on my PC. Please guide me clearly ...
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29 views

Sharing virtualmachines between windows and linux hosts. What filesystem do I need?

In my current setup I'm using both Windows and Linux hosts, I've a bunch of VM in a partition and I need to use and access them from either hosts. I've tested a couple of filesystems with very poor ...
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20 views

VirtualBox don't recognize USB in Mac [Windows host] [on hold]

I followed this link to create a virtual machine with a OS X Mavericks on it. I followed every step correctly and my virtual machine is working with a great performance. The problem is it does not ...
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35 views

Selecting and installing Linux under Hyper-V on Windows 2008 Server

I am a developer with extensive and up to date Windows experience, but little (and very dated) Unix/Linux experience. I have a 64-bit Windows 2008 Server (Standard) operating more-or-less "lights ...
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21 views

Sleeping the host system while running a VM on VirtualBox

I've been using VirtualBox for a while now, and have always assumed that it must be unsafe, for the VM, to put the host system into sleep or hibernate while said VM is running. However, after learning ...
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13 views

Building failsafe system

As an assignment I have to realize failsafe webserver using Virtual machine. I have been trying it using a separate java program on host to monitor heartbeat of the vm and redirecting the http ...
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9 views

Increasing Java Heap Space causes IE 8 to freeze

I am running a large applet that performs better if the Java heap space is increased to 300m. I adjusted the heap space in the java control panel utility as I usually do and restart IE 8. This ...
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27 views

Configure VM network settings to ssh into a mininet VM

I am trying to configure my VM (mininet vmdk) network settings in order to ssh into it from my host machine. I am using virtualbox as my hypervisor. Per the Mininet instructions ...
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10 views

Equivalent to VirtualBox Oracle dev environment available for SQL Server?

Oracle has this wonderful option in VirtualBox where you can download a virtual Linux machine that is setup with SQL tools and a running instance of Oracle. This setup makes it much easier to test or ...
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17 views

Copy-pasting between two computers , or a virtual machine and host?

In my work, I find myself hopping between a VPN machine and my host machine to do work. Lately I've been using https://www.cl1p.net/ a lot , for copy-pasting between 2 computers. A nice site, ...
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13 views

How to run web application in virtual machine using tomcat in the real machine

I´m Java developer and I´m want to test the system in different browser. My virtual machine is Virtual Box and I´m using Windows Xp with Internet Explorer 6, so I want to access Tomcat application in ...
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30 views

Running OpenGL Apps on Android x86 4.4 R1 in virtual machine

I want to use Android x86 on a virtual machine on Windows 8.1 Pro, but I have Problems with OpenGl. I use the news Android Version (x86 4.4-r1) but I had also tried RC2. Android x86 is always ...
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1answer
28 views

Why do I need to install RSAT on Windows 8.1 for accessing Hyper-V Server 2012 R2?

Since Windows 8.1 has Hyper-V Platform and Hyper-V Manager built in to it, if I just enable the Hyper-V Manager on my Windows 8.1 client machine I should be able to access the standalone Hyper-V ...
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19 views

making a PCI soundcard work inside a Parallels Desktop virtual machine

im running Windows 8.1 inside Parallels Desktop 9 in Mavericks (mac) I have an ASUS Xonar Essence STX soundcard (PCI-Express) connected, is there any hope of making it work inside the windows virtual ...
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34 views

Cannot start VirtualBox NAT Network

I am trying to start a NAT Network using VirtualBox on Ubuntu 14.04. Both Ubuntu and VirtualBox are freshly installed. VirtualBox v4.3.10_Ubuntu r93012 installed from the Ubuntu repositories. When ...
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31 views

“Ethernet Cable unplugged” in MAC OS 10.9 Mavericks Virtual machine

I'm using a Mac OSX Mavericks Virtual machine (VM) in VMWare work station 8.0.6. The VM is running fine but no matter what, the network configuration shows that the Ethernet cable is unplugged. My ...
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16 views

Unable to right click in Mac RDP session

I am connecting to a Windows Server 2012 VM (hosted in Azure) via Microsoft RDP 8.0.9 from my Macbook Pro. I am having trouble right-clicking within the VM using the trackpad. The usual shortcuts ...
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24 views

vagrant private_network with osx host/centos guest using virtualbox host-only networking

I cannot get host-only networking to work from host to guest or guest to host using e.g. ping, netcat or ssh. Sshing fails timing out. No packets are seen when starting wireshark on the host interface ...
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26 views

How to change Linux hot key

I would like to know if it is possible to change the hot key on a Linux distribution. I have already tried to re-configure the hot keys in the virtual box preferences but i have not been able to ...
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12 views

how to network between 2 ubunto virtual machines (so that i can open a user via SSH from VM1 on VM2)

i've seen some answers that says edit the /etc/network/interfaces http://www.sudo-juice.com/how-to-set-a-static-ip-in-ubuntu-the-proper-way/#gather-info E.g auto lo iface lo inet loopback iface ...
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9 views

Virtual PC running MS-DOS 6.22 cannot boot SEAL GUI

I just don't understand this. I just don't know why SEAL doesn't work... :( Here is the error:
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28 views

Virtual Machines: What components should I upgrade to improve running virtual machines?

at work I need to have one or sometimes two instances of a vmware virtual Windows 7 machine running on my real Windows 7 machine. The computer I'm using is Dell Precision 490 from 2009 I believe, ...
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14 views

When I Install android-x86 on Virtual Machine don't save installation anfter reboot

I want to install android-x86 iso image on Virtual Machines Such as Virtual Box and VMWare But When Installization completed and rebooted machine Doesn't exits Installed android! What's problem?
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204 views

VirtualBox unable to start virtual machine

I am using windows 7 Ultimate with virtual Box 4.3.14 installed. I created a virtual machine but when I start the virtual machine, I get this error: Failed to open a session for the virtual machine ...
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21 views

XENSERVER: setup a routed network

I have a Ubuntu Server which supposed to be host to 3 virtual machines (Windows 7 Pro). The questions is: How do I set them so up that the other the virtual computers have the ip address in the same ...
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1answer
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Parallels - OS X Does giving the VM more RAM or more Video Memory/CPUs limit the mac?

I installed parallels not too long ago and I am not sure what to set as the user settings.. My question is if I give the VM more ram does it limit my mac's ram when I run the VM? Same question with ...
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24 views

Export Vagrant VM with all it's synced folders

Let's saying I'm working on a vagrant VM named foo and it sits on my host machine at ~/foo. In my scenario, foo uses VirtualBox as the provider and is using synced folders to configure and provide ...
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18 views

Compressing an OS after some slight changes has yielded massively different results - why?

I am using SUSE Linux on a Virtual Machine through VMWare Workstation. This morning, I zipped up a copy of the folder containing my VM (.vmx, .vmdk, .vmem, single snapshot and all) and sent it to my ...
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How do I see the folder thumbnail view in VMWAre Workstation 10 while viewing a remote ESXI server

So when using VMware Workstation 10 on your local computer there is a grid thumbnail view where you can see all your VMs displayed (live update small thumbnails) on like a 9*5 grid or something. Yet ...
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Specifically, what differs between running the same virtualbox on different host OSes

I was always under the impression that a Guest OS running under VirtualBox would be basically unable to determine the Host OS/Specifications. Today, I tried to install Mac OSX on VirtualBox. First, I ...
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Message queue doesn't exists any more after reboot/shutdown of the virtual machine (Ubuntu)

I'm working on a simple multithread client/server program in C using native message queue of unix to send messages from one client to another. It works fine, but my problem is that after a reboot or ...
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39 views

how to set hyper-v virtual machine connection permissions

I have installed Hyper-v on my Win 8.1 pro computer, and have a virtual machine running. I can access the machine and can see it running in the Hyper-v manager, and can launch a connection to it ...
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VMware: Shared VM on portable disk, multiple .vmx files

Using VMware, I want to use a VM on two separate development machines and carry it around on an USB drive. I found this answer, but it's not quite what I'm looking for. I think I cannot just share ...
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Trigger a host command on VirtualBox guest shutdown

Superusers-- Doing some webdev using a VM. Guest is Ubuntu Precise, host is Windows 8.1, VirtualBox 3.4. My dream scenario: I gracefully shut down the Ubuntu guest. Windows detects the shutdown ...
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16 views

VirtualBox image not mounting on Windows 8

I am trying to compile Android kernel from source, and I have code in Windows 8 (latest kitkat- 24 GB) and Oracle VirtualBox with Ubuntu 14.04 (Trusty Tahr) installed. Since the source ...
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18 views

Citrix Xen Server VDI does not exist after VM reboots

I installed Citrix Xen Server on machine and Xen Center console on my windows box. I made some virtual machines on the server but for some reason when I reboot the VM, it would become unavailable. I ...
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22 views

Can I upgrade parent VM and have all linked clones updated too?

Is there any VM and OS combination that can support this scenario? I want to create a base OS image and lots of child linked clone images that share the parent's disk. This way I'm not duplicating the ...
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32 views

Sharing connection between Linux Mint 17 and Porteus RC 3.0

How can I connect to Porteus RC 3.0 VM guest via Mint 17 Quiana 64 bit as host? I am trying to share folders between VM and host, but I am always getting modprobe vbox error. This is why I am trying ...
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1answer
27 views

can't share internet connection with virtual machine

I've received a cloud test-server and i'm trying to test virtualization (i dont have any experience with virtualization whatsoever) ... I have a windows server 2012 standard, and have a vm running. ...
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1answer
15 views

Show Aptana Studio website/code preview in Virtual Machine's browser

Using VirtualBox on a Windows 7 host I have set up a Windows 7 guest and made several snapshots/linked clones with each having the next version of IE on them starting at 8 going up to 11. Yes I know ...
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How to add an existing encrypted vHDD to a new virtual machine?

I am using VMware workstation with encrypted virtual hdd-s. I tried to use one of the vmdk files as an hdd on another virtual machine, but when I try to add it as an existing disk, I get the following ...
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36 views

PC to virtual machine [duplicate]

Currently I'm moving from old PC to new one. I have windows 7 installed. I'm planning throw away old PC, but before that I would like to have possibility to run old PC operating system just in case I ...
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9 views

Trafic of a VM through VPN (Viscosity)

I'm on windows 7 and I wanna use VirtualBox with a ubuntu inside. Let say that I use (as a client side) viscosity as tun on the host (win 7). How may I make the VM traffic (and only this traffic) ...
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Can I get to the host TSC counter from a guest using KVM? [closed]

[posting the question from http://stackoverflow.com/questions/25058729/can-i-get-to-the-host-tsc-counter-from-a-guest-using-kvm here. I was not the original poster, but I do have exactly the same ...
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1answer
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How to connect from a VirtualBox guest (XP) to a running JBoss server on the host?

First off, I'll say I'm not 100% certain this is the correct location for this question. I was contemplating stackoverflow, but I don't think there's much in the way of code that has to do with this: ...
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38 views

What are the differences between Cloud Virtual Machines and Virtual Machines on a computer?

Google has a service that allows you to create Virtual Machine on his Cloud. There are many Virtual Machine Types like Browsers (StackBrowsers), Mobile Phone, Operating Systems. You can use the Cloud ...