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

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Virtual Machine - Simulate SCSI HD Serial Number

I am a programmer and trying to create a function to get the serial number of HDs with SCSI interface. The problem is I do not have a SCSI HD to make tests, and they are very expensive, so I am trying ...
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535 views

VM apt-get install - network is unreachable

I have a Vagrant backed Ubuntu VM which I'm trying to do some performance testing on. In order to do so I'm trying to install gdb When I run apt-get install I see the following: ...
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78 views

Create “linked clone” or layered shared disks with QEMU

Does QEMU support a feature like VMware's "linked clone"? What I'm trying to accomplish: I'm setting up a test environment with a handful of VMs, that are all nearly identical. However, a fresh ...
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68 views

Keys getting stuck in virtualbox 5.0

Sometimes when I hold a key down or scroll too quickly with with my mousewheel, my virtual box VM will lock the key as pressed. The VM will then stop responding to any further input until (usually) I ...
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880 views

Program xxx tried to read /dev/mem between xxxxxx->xxxxxx

I've got a program that runs on RHEL 6.5 perfectly fine on a virtual machine generated with OpenStack. But since I updated my version of OpenStack (from Mirantis fuel 5.0 to 6.0) I have a new instance ...
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119 views

How to convert a VHD (Virtual Hard Disk) on Windows to a Dynamic Disk

I'm trying to convert a VHD (Virtual Hard Disk) to a Dynamic Disk but it doesn't seem to be possible. I tried DISKPART hoping there was some command-line way of achieving this but that also was in ...
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111 views

Why start power of machine in Oracle VM Virtual box fails with code 0x80004005?

I standartly power off virtual machine in Oracle virtual server (so other VM can run). When I tried to start it again I end up with E_FAIL (0x80004005). Failed to open a session for the virtual ...
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33 views

Is it a good idea to use the host computer as proxy of a virtual server hosted into it?

I plan to use a physical proxy between another physical server which is accesses via SSH, and the router, acting as firewall. Right now I just have 1 physical computer to use for this net structure, ...
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38 views

Windows7 VirtualBox VM transfered from Gentoo Linux host to Debian doesn't work anymore

I had VirtualBox 4.3.6_Gentoo_r91406 on my Gentoo distribution and two VM, a Windows XP one and a Windows 7 one, both still working when I boot on Gentoo. I have moved to Debian Jessie and have here ...
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66 views

Vagrant / VirtualBox, share mouse and keyboard (mouse integration)

I want to run my IDE within a Vagrant/VirtualBox VM. So I would like to open a view of the VM and interact with the IDE GUI as if it were running on my host. However I've only found two modes for the ...
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1answer
89 views

Remote desktop into Virtual Machine on Ubuntu Server through a Mac

I'm trying to remote desktop into a Windows virtual machine that is running on Ubuntu Server 14.04. I'm on OS X Yosemite and I can't figure out how to do it. I downloaded the app Microsoft Remote ...
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41 views

Find IP address of virtual machine in headless mode

I have 4 windows virtual machines running on Ubuntu Server 14.04 (No GUI) in headless mode. I need to find the IP address of each of them. The network is bridged. I tried the answers in ...
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32 views

How can I use my current Windows 10 partition on external HDD in VMware Fusion?

It is possible to use BOOTCAMP partition directly. But I want to use Windows from my external HDD directly. Is there any possible way?
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1answer
208 views

Dual boot Kali on windows 8.1

I am trying to dual boot Kali Linux with Windows 8.1 using VMware. I download the VM torrent from offensive security - http://images.kali.org/Kali-Linux-2.0.0-vm-amd64.7z I then extract the files. I ...
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98 views

Virtualization with UEFI'secure boot feature

I'm interested in the notion of emulating digital signature checks in virtual machines—the host can be booted without hardware-based digital signature checks, which can be moved to the VM, and the ...
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25 views

When using a VM in VirtualBox, different keys frequently seem to stick

Using a Windows 8 host, with VirtualBox 5.0 and an Ubuntu 14.04 guest. I'm using it as a development environment so it's typing intensive and this happens every couple of minutes. It starts with a ...
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23 views

Using multiple computers as a processing and data storage cluster

I have about 17 or so old computers that by themselves can't do much, but I was wondering if there was any way to combine them so that they could run multiple VMs in a distributed way. For example, ...
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2k views

No USB devices available in VirtualBox

Oracle VirtualBox is unable to list/filter the USB devices attached to my system. As a result, the guest OS is not able to see any USB device either. This is my configuration: Host: VirtualBox ...
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20 views

Memory not releasing after shutting down vm in Xen-4.5

I installed Xen-4.5.0 on a server with CentOS 6.5(v3.2.30 kernel). All works well except when I shutdown a vm, then xl li shows that the vm's memory is not released and physical memory becomes less ...
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24 views

VirtualBox won't save screenshots

VirtualBox 5.0, Windows 8.1 x32 Guest (via Modern.IE), Windows 7 Ultimate x64 Host, on a Macbook Pro 2011. To be clear, I definitely mean screenshots. I want to take a picture of the screen, not save ...
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62 views

seting up some windows10 pro kiosks?

I have a few windows 10 PCs for student use. Previously, I had windows XP installed where I was using deepfreeze. Basically, students could use the pc, but if they encountered malicious software, ...
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27 views

How do I open a VM I received in VirtualBox?

A lady "put together a virtual machine" that was supposed to include a certain software and related packages. I was given a folder of files (vmdk, log, vmxf, plist, vmsd, nvram, and png files) and ...
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450 views

Windows doesn't detect virtualization

CPU: Intel Core i3 3220 Motherboard: P8B75-M LX (BIOS version: 1403, final) OS: Windows 10 Education 64-bit Note: I have screenshots including BIOS settings but I can't add because of reputation ...
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72 views

vm freezes when I try to install vmware tools on kali guest

When I try to install vmware tools on my kali guest, It never finishes loading the vmware tools installation. The disc icon never appears and the icons on screen, along with the menu either disappear, ...
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37 views

Dynamic DNS in Windows configured inside a Virtual Machine

honestly I'm not sure what I want is possible, but I'll ask anyway. I have a Windows 10 host, and a VMWare virtual machine with Ubuntu as guest. I use Ubuntu for web developing. I have it set up in a ...
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43 views

Aftereffects and Photoshops ui do not work in vmwere 7 in a maverick VM

so first off i will explane I set up a VM of mavericks in VMwere fusion because some of my software will not work in Yosemite and I want to upgrade so I created a legacy VM in VMwere fusion 7. ...
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114 views

How do I compress or compact encrypted virtualbox disk image

As I have created a Debian VM inside VirtualBox by encrypting their partition. So that the OS must be running in an encrypted partition. Although while creating a disk image(VHD), I had given for ...
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253 views

Virtualbox and vagrant : cannot be closed because it is still attached to 1 virtual machines

I've been using virtual box for some time now. However, I wanted to follow a course about data science at EDX which requires to use virtual box and vagrant, which I'm still not sure what it does. If ...
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1answer
650 views

Cannot mount or move Virtual Hard Disk .vhdx file

I created a .vhdx file using disk2vhd from sysinternals, but I'm unable to use it. The virtual machine in Hyper-V won't start. I can't mount it either. I t gives me the following error even though I ...
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107 views

unable to install vmware tools on kali

When I try to install VMWare Tools on VMWare workstation, my kali guest freezes up. It never finishes installing. When I try these links it freezes midway through the steps on each of these links: ...
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65 views

How to make a VM start automatically on Windows XP?

I really like Windows XP a lot, but I want my old desktop PC to be retro, so I started using virtual machines on it. I use VirtualBox for this. This PC has: DVD/CD drive 40GB Hard drive with ...
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143 views

Increasing VHD Size in Hyper-V 2008 R2

I have a Hyper-V box which is hosting 5 virtual servers. One of the servers on the Host is currently low on disk space. I am planning to increase the VHD space on that virtual server but I am ...
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48 views

Why can't I open applications that I drag and drop onto OS X Guest VM?

I am running OS X Yosemite. I have a guest VM (Yosemite), that I would like to copy applications onto. It has the same appleID as my host VM. I drag and drop the application from the application ...
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1answer
73 views

Does Windows 10 have new features that improve performance as a guest OS in a VM?

Are there any features that were added to Windows 10 that directly improve performance (and possibly interoperability) when run as a guest in a virtual machine? If so, are these features enabled by ...
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118 views

running 64-bit Linux in Virtual box 5.0.0 on windows 7

Hi i am very new to virtual machines. I have Virtual box 5.0.0 running on windows 7 64-bit. I have installed extension packs, however when i go to set up Kali Linux 64-bit, it doesn't give me a option ...
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858 views

PsExec: Handle is invalid | Error deriving session key

While running some automated scripts I get the following error: Handle is invalid. Connecting to local system... Starting PSEXESVC service on local system... Connecting with PsExec service on XXX... ...
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1answer
161 views

VMware network adapter problems after windows update

I recently updated my pc from windows 8.1 to windows 10 and i have problem with my virtual machine(vmware). My virtual machine runs kali linux and cannot find network adapters to establish connection ...
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28 views

Unable to install in MSYS2 using Arch Linux pacman

I have installed MSYS2 on Windows and successfully used the Arch Linux pacman installer to get a bunch of programs on there (gcc puthon vim etc). Some things give a "not found" error, though, and I ...
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162 views

Port forwarding working on Virtualbox but not on VMware Workstation for Centos7 virtual machine

I'm running Windows 7. I created a Centos7 virtual machine originally through Virtualbox and successfully set up port forwarding with these rules to allow SSH and HTTP: Protocol: TCP | Host IP: ...
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41 views

How to migrate from an ubuntu server Virtualbox VM to a Vagrant box (using Chef?)?

I am using a Virtualbox VM for programming. My stack consists of Ruby/Ruby on Rails, nginx, passenger, git and is mainly used as a local developement server, hosting about ~10 websites (small, ...
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2answers
122 views

How do I virtualize a physical machine, and be able to put the image back on the real machine?

Can I convert a physical machine running Windows (XP, 7, etc) to an exact copy virtual machine, make modifications on it and be able to put it back on the physical machine if I need it? The OP adds ...
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210 views

Windows 10 and Boot Camp drivers

6th August 2015, Windows 10 has launched quite well. However, there are some people eying the new OS wit little concerns. Mine is: Will Windows 10 work on a Mac - and, that means with a few ...
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2answers
659 views

Upgrading Windows 8.1 to Windows 10 inside a VMware guest

Now I know one can tell Windows to check for the upgrade eligibility and all. That's not my problem. Yet, I'd like to move to Windows 10 with a (VMware 10 virtual hardware level) guest (running on ...
6
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1answer
3k views

Oracle VirtualBox - Unable to update to Windows 10

I'm using Oracle VirtualBox 5 and my virtual Windows offered an Update to Windows 10 today, but it stops saying: VirtualBox Graphics Adapter The display manufacturer hasn't made your display ...
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1answer
139 views

How to convert Dynamically Sized VirtualBox Hard Drive to a Fixed size?

I have been trying to convert the Dynamically sized hard drive to a fixed size to increase the VM box performance. I tried to follow the instruction on Convert Dynamically Sized VirtualBox VDI Hard ...
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2answers
595 views

How to stretch a guest OS on VMware?

I'm running several OSes on VMware. I want to stretch them so I can run them on full screen, but they appear only in the middle. Only one is working and fitting the whole screen. What is the problem? ...
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272 views

Disk activity to 100% with Vmware and other

I have vmware workstaion 10 and installed windows server 12 VM and I dont know why this will take my HDD to 100% activity and slow the VMs i try to use no memory trimming pre-allocate virtual hard ...
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111 views

How to setup networking for Ubuntu on virtualbox (win server 2008 R2)

I have windows server 2008 R2 and created Ubuntu virtual machine using virtual box. Now I am trying to configure networking on it to act in the same way as real PC. I can get connection to internet ...
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70 views

Virtualization solutions: linux host and windows guest

after my failed attemp of virtualizing Windows 8.1 with VirtualBox (I had many problems, starting on a poor file system which results in permission problems for IIS and many others) I'm looking for ...
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1answer
18 views

Connect virtual machines

I have a Linux machine with an IP address (for example 172.16.x.x). With some hosted virtual machines, each machine is accessed with different ssh port (eg 2230, 2234...). For instance in VM1 I have ...