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

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6k views

Use NVidia GPU from VirtualBox?

How do I make the VirtualBox guest use the NVidia graphics? Host setup: Windows 7 x64 NVidia Optimus In NVIDIA Control Panel, I explicitly selected High-performance NVIDIA processor for: ...
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414 views

Extreme mouse lag in Starcraft I using VirtualBox Mac Host, Windows 7 Guest

I've installed virtual box on my new MacBook Pro and I'm hosting a Windows 7 instance. Everything works very smoothly. However, I've installed the original Starcraft (yes, 1995! It's 20 years old!) ...
3
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69 views

Why does MS Expression Recorder make the capture area blank/white in XP?

I have had this problem on 2 different virtual machines running Windows XP SP3. Basically, you can still see the green cross-hairs and outline while Expression Recorder is recording, but everything ...
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0answers
376 views

Use Biztalk training kit on a Virtual machine

I have a Windows 7 Enterprise 64 bit laptop with 8 GB RAM. I am trying to get the Biztalk training kit() installed on a VM on this machine. I have used Oracle VirtualBox to create a windows 2008 64 ...
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386 views

Accessing virtual LAMP server from my browser?

I set up a LAMP server on virtual machine using VirtualBox. I want to be able to access that virtual server from my browser on the same box that the virtual server is running on. Many of the ...
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403 views

Emacs hangs for seconds when writing file, to do with kjournald and VirtualBox

I run GNU Emacs 23.2.1 (x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars) of 2010-12-12 on brahms, modified by Debian on Linux version 2.6.32-5-amd64 (Debian 2.6.32-34squeeze1) ...
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63 views

VirtualBox is unable to allocate cached memory on windows (not considering it as available)

Host: Windows 7 64x bit, 6 GB of RAM Guest: Red Hat 64x bit Host machine resources without running any VMs: Windows Resources [Case I] Guest machine with 2 GB memory When I run a memory ...
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48 views

How to recover from bad VBox Guest Additions build?

I'm using Ubuntu 14.04 (fully patched). Last week, the kernel took an update. So I [virtually] inserted the VBox Guest Additions CD and then proceeded to build it. I don't recall having any problems. ...
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50 views

Where are Xen guest config files stored?

I'm new to Xen stuff. I have a XenServer 6.5 running, with XenCenter and a Debian installed as a PV VM. I'm trying to setup the extra security now so I don't have to learn about it after I've been ...
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76 views

VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
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174 views

Microsoft Virtual Machine Bus Network Adapter - Code 10

System Specs: I'm currently running a Dell laptop m3800 with the Intel Dual Band Wireless-AC 7260 adapter, 16 GB of RAM and Windows 8.1. Within this laptop, I'm running a Server 2008 R2 Standard ...
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199 views

How to connect my Hyper-V VM to a USB tablet (or device in general)?

This question might look like a duplicate but I checked and actually this should not be the case. Here I want to be able to connect a USB device (not a hard drive, but a tablet, a phone or an mp3 ...
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227 views

How to share VPN established in VMware guest VM with host

Is there a way to share a VPN connection which is established in a VMware guest running Windows 7 with the host running Ubuntu 14.04? I tried NAT and Bridge, but I cannot seem to access VPN endpoints ...
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2k views

failed to access perfctr msr - When running Fedora on a VM

I'm trying to run a Virtual Machine with Fedora, and I choose to "Start fedora" from a list where I can start it or troubleshoot problems. The I get the following output: [ 0.00000] tsc: Fast TSC ...
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48 views

Serial TTA0: connection to Virtual machine | Weird characters and no input

I have setup a serial TTA0: connection to an OpenVMS Emulator running in virtual windows. The console serial port is configured as follows: TTA0.type="socket" TTA0.port=":20000" ...
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81 views

Why does my Hyper-V suspend all its VMs once a day?

I experience a very strange problem when using Hyper-V on Windows Server 2008 R2. Every day, around 10.30pm, all of my virtual machines become unreachable for a few minutes. I have found out, that ...
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0answers
50 views

Sending a non-maskable interrupt to a virtual machine with VMware Fusion

I'm using a virtual machine to do kernel debugging on Mac OS X because it's cheaper and more convenient than another computer. Unfortunately, contrary to the Windows equivalent, it's not possible to ...
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744 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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2k views

How can I connect integrated webcam with virtualbox

I am trying to use a Windows XP VM for VirtualBox on my Windows 8.1 laptop. I have tried the usual attaching USB device but I get an error saying "USB device is busy with previous request". My webcam ...
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168 views

Can I read a smartcard in a virtual machine?

My employer requires a smartcard to login to their web-based remote working platform. I want to access this platform by using a Remote Desktop Connection on to my Windows 7 Virtual Machine, with the ...
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0answers
789 views

Trouble setting up more than 4 network adapters in VirtualBox (XP Guest)

I've been trying to setup the 8 network adapters that VirtualBox is supposed to support, through the command line. I need them as bridged networks (because I use them to forward ports from a server ...
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142 views

VirtualBox error with Ubuntu virtual machine

I am trying to work on a coding project and cannot open my Ubuntu virtual machine with Oracle VM VirtualBox. I took a snapshot yesterday at about 11, and it was working fine. Several times I closed ...
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1k views

How to install Remote Desktop Virtualization Host role service in Hyper-V 2012 R2

I am using the free Hyper-V 2012 R2. I am trying to add RemoteFX 3D Video Adapter to one of my VMs. I have installed a dedicated GPU for this. However when I go to "add hardware" I get the error: ...
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3k views

Ubuntu 13.10 is very slow under VMware / VirtualBox running in a Windows 8.1 host

I am the recent owner of a new Levono Yoga 2. The specs of this are: 4th Generation Intel Core i7-4500U Processor (1.80GHz 1600MHz 4MB) Intel® HD Graphics 4400 8.0GB PC3-12800 DDR3L SDRAM 1600 MHz ...
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2k views

Virtual Box Failed to create VirtualBox COM object

I am running Windows 7 64 bit (on a laptop). I just downloaded the latest virtual box binary and it installs but does not start. I get a Caller RC: CO_E_SERVER_EXEC_FAILURE whenever i start ...
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2k views

Accessing VM on host machine through IP address

I'm trying to set up a CentOS VM with VMware Fusion and get access to it through the host. I was following a tutorial online for this as this is my first time doing this. When I try to access the IP ...
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0answers
54 views

Differences between encrypting an actual PC vs a virtual one?

Are there any differences between using for example TrueCrypt to encrypt the system drive of an actual PC and a virtual one running on ESXi? Are there any security advantages/differences?
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269 views

VirtualBox E_OUTOFMEMORY

I've tried running both 4.2.14 and 4.2.16 on Windows Vista Home Premium, SP 2 (64 bit). Shortly after starting a freshly-installed VirtualBox, I get a Failed to load the global GUI configuration ...
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132 views

Nested virtualization not working

I installed virtualbox 4.2.10 on OS X 10.8.3 and I am running Ubuntu 12.04 on it as a guest. I have hardware virtualization enabled for the guest, as the screenshot shows But when I login to the VM ...
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49 views

Is there a way to use an external computer's compiler and fetch results?

I have to use Windows 7 for some reason, but sometimes I need to compile and execute simple programs using C language, which are supposed to work in Linux. All of them are console applications, don't ...
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136 views

curl works but ping/urllib2 don't, in a virtual machine

I have a Crunchbang 10 VM running on VirtualBox on a Windows 7 Home host. I have a python script that uses urllib2 that was failing, and discovered that: ordinary browsing and curl work normally on ...
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60 views

Connect Web Service written in Guest OS of VMware from Host OS

Guest: Open SuSE 11.4 My Web Service, written in Web Services in Java in VMware Workstation 6.5, is in Guest OS. Host: Windows 7 Tomcat project As a beginner, how do I publish VM Web Services ...
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0answers
73 views

Connect device straight to VM (Passthrough?)

I've a Windows 7 VM on my VMWare Fusion 5.0.1 running on OSX 10.8.2. I want to connect it a tablet (Smart Pad 810c) that OSX doesn't recognize at all (it's not listed either in USB system ...
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0answers
217 views

Scrolling makes VMware Player leave fullscreen

I am using the VMware Player which comes with Workstation 8 to run Mac OS X Lion for which I don't have trackpad drivers. Therefore, scrolling doesn't work, which is a pity but not my issue here (I do ...
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53 views

Deleting Snapshots from LinkedClone Corrupts other LinkedClones

I am currently having a problem in which I have 3 LinkedClones created from the same parent snapshot. The tasks I do consists of creating a lot of snapshots per virtual machine, therefore having the ...
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262 views

Virtualbox, using the same keybord layout of the host in the guest os

I'm using Virtualbox 4.1.12 on Debian x64 and my host OS is Windows XP Professional 64-bit. On Debian I'm using a custom keyboard layout that I set on system startup through the command setxkbmap. ...
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0answers
815 views

Convert OEM Windows XP box to virtual machine?

I know I can technically convert an existing Windows XP box to a virtual machine. (e.g. VMWare converter). What I do not quite understand is whether I can then actuall use this image/guest. The ...
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50 views

Multiple Users Running Multiple VMs

New to the concept of VMs and was wondering if there is any merit (performance gains, etc.) to having 1 host machine running several logged-in users at the same time, with each user running 2+ VMs. ...
2
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881 views

VMware Workstation is not grabbing input on click

I'm running VMware Workstation and I'm finding that the program is not grabbing mouse inputs on click or on Ctrl+G input, both options are set to on in preferences. If I manually connect either the ...
2
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0answers
557 views

Application Integration Mode within Windows 7 (“Windows XP Mode”)

I'm having an issue where applications that are virtualized (on VMs using Windows XP SP3 --not XP Mode, just regular Virtual PC) and accessible by my host machine (Windows 7 Enterprise x64) are just ...
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12 views

vmware changes usb data structure

I have vmware on my Windows 7 and I connected my usb device to my virtual machine (win 7) but some functions of my usb device don't work correctly on vm so I analyzed my usb output data using Putty ...
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43 views

Simplest way to setup my own remote private git server

First of all, I've read all the git-server-setup documents on the internet, but still, there is one thing missing -- I want to setup a simple GIT server in (Ubuntu) Virtual Machine for myself, not for ...
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21 views

How do I run Debian via VirtualBox using the physical partitions (rawdisk)?

Disclaimer: My question is different to and not answered in any of these similar questions: VirtualBox: using physical partition as virtual drive Running Mac OS X Physical Partition Inside ...
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0answers
16 views

Remote desktop with vmware and usb connexion

I have a windows server 2012 with vmware installed , I have 3 vms ( win xp recomanded because of a software compatibilty ) , I access to those 3 vms from Itium 4030 thin clients over RDP , I have 1 ...
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15 views

Enable Audio when connecting to Hyper-V Virtual Machine

I'm running Windows Server 2012 R2 and have two Virtual Machines with on my Hyper-V. One is of Windows 10 and the other is Linux Mint. In both cases I can't get the audio to work because the VMs arent ...
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91 views

Hyper-V alternative in Windows 8.1 Single language

Is there any way to enable or install Hyper-V in licensed Windows 8.1 single language. I have heard it requires Pro Edition of Windows. I want to run windows phone 8.1 emulator in Visual Studio. It ...
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22 views

File Allocation for VM

I'm running Kali Linux as a virtual machine inside Oracle's Virtualbox. I've allocated 40GB of hard drive space, file type: VirtualBox Disk Image; Dynamicallly Allocated. On the VM it is showing the ...
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24 views

How can I work out why my headless VirtualBox VM is not booting?

I have an Ubuntu Server, upon which I am trying to run a headless VM (Ubuntu Server as the guest OS) with Virtualbox. The machine apparently starts up but I cannot ssh into it (though it should be ...
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13 views

Two program on different VMs experience reply timeouts unless pinging

I've encountered a very odd issue. I've got 2 VMs, each running an identical program (a pub/sub middleware). The programs have to communicate by sending an event from and to each other. The program ...
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12 views

spicy-client assertion failure after computer crash

I usually use spice-client to connect to remote VMs without any problem. Today during usual work my pc freezed (I am strong confident that this is not due to spice) and forced me to brute shutdown. ...