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

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SQL Azure VM Cannot Connect

I have SQL Azure VM Following are the configuration of the VM SIZE Basic_A1 (1 core, 1.75 GB memory) After few hours I cannot log into server using any of following methods. Remote Desktop ...
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1answer
14 views

Windows 8.1- Hyper-V won't network with Ubuntu 14.04 VM

Well, I'm officially out of patience for this sort of thing, and it's 12:23 AM. I'm trying to run Ubuntu 14.04 with Hyper-V on a Lenovo Yoga 2 Pro running Windows 8.1. I cannot get the virtual ...
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3answers
4k views

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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1answer
179 views

Running an executable in virtual machine through base machine

I want to launch an executable in my virtual machine(Windows Server 2003 OS and is installed using VMWARE Workstation) from my base machine I tried the following command "C:\Program ...
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1answer
20 views

Is it possible to restore an ubuntu guest vm but keep home directory data untouched?(on Virtualbox or other virtual machine solution)

Is it possible to restore an ubuntu guest vm to an earlier snapshot and keep home directory data from restoring? Or to say keep the user directory out of the system vdi to prevent data loss after ...
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0answers
21 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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1answer
34 views

How to set a Hyper-v virtual machine to use my Wi-Fi connection [on hold]

I have a virtual machine running on my Hyper-v manager. I am having difficult time to get it connects to my WiFi (use my WiFi) that is available on my operating system. My operating system is windows ...
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4answers
539 views

Running virtual machines: Linux vs Windows 7

I have tried running windows xp development virtual machine under windows 7 and the performance was dreadful. I'm considering installing Linux and running the virtual machine from the Linux, but I'm ...
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0answers
16 views

Portable system on a SDCard

I want to have a portable system in a SDCARD, the requirements are as follow: It should run on a Bare Metal virtualization in a NetBook This should run solely as a medium to the virtualization, so ...
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0answers
14 views

Comparison of the system performance in virtualization using different operating systems [on hold]

One of the great advantages of Linux is when you're setting up a system, you can strip all of the bloat except for only those components that you need to support whatever you plan to run on the box. ...
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1answer
5k views

Android wireless in VirtualBox?

I downloaded android-x86-4.0-RC1-asus_laptop.iso from http://www.android-x86.org/download and installed it in a VirtualBox virtual machine. It all seems to work, but I can't seem to get the wireless ...
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1answer
8k views

No Internet connection in Android-x86 4.2 ISO on VirtualBox

I installed Oracle VirtualBox on Windows 8. Then I downloaded android-x86-4.2-20121225.iso from Android-x86. After I installed Android x86-4.2 on VirtualBox from the ISO, I could run it, but the ...
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11 views

Virtualbox VM folder and files permissions

I've copied VirtualBox VM folder from windows to linux server. (win machine died, so I restored backup). Now I want to place VM somewhere in /var/vbox/... and run VBoxHeadless on system startup. What ...
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2answers
405 views

virtualbox: new host key combination not saved after change

I want to change my host key combination in the Virtualbox that is currently alt gr. To do so, I go to: file -> preferences -> Input -> Virtual Machine , then clicking on the field beside ...
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0answers
18 views

Is there a program than can execute a Windows applications in a virtual machine and make it look it's executed in the native environment? [on hold]

Parallels does a great job of making windows application look like a native application on Mac OS X while executing the windows application in a virtual machine. Is there a similar application on ...
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1answer
33 views

Pinging between two different vm's with different subnet on same host

I am running a windows machine and i am running virtualbox on it I have two VM's for cent os. I want the two VM's to ping each other but they should have different subnets. I am not really sure how ...
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0answers
36 views

Unable to connect to inernet in an Ubuntu 14.04 VM installed over windows 7 guest os

I've created a Ubuntu 14.04 VM using oracle's VirtualBox on my Windows 7 PC. I've also managed to install drivers form Guest Additions CD image, but in spite of all that I still can't get the internet ...
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3answers
2k views

VirtualBox OSE: Install Guest OS On Headless Host Via VNC?

I've remotely installed VirtualBox OSE on my Gentoo box at home. I have everything set up and ready for the OS. However all the documentation I've read seems to say that you can only use the PUEL ...
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1answer
13 views

How to forward a port in VM which is behind NAT

I see a few questions similar to my but, they didn't answer my question. I have a router. I have installed Debian in VM and setup a ssh server on it. I want to forward a port for this machine on my ...
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0answers
9 views

Install Gentoo via compilation on virtualbox?

Note that I am not asking how to install Gentoo on a Virtualbox VM. My question is this: I have a slow machine ("Armpit"), and a fast machine ("Emperor"). Let's say I want to install Gentoo on ...
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0answers
15 views

Android Run Time bytecode class size [on hold]

Java has a 2^16 bytecode address. Because it a java class cannot have more than 65535 methods. Since google has announced the ART "android run time" the new Virtual machine for android L, anyone know ...
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1answer
32 views

Host is not able to ping Guest | Virtual Box

I am using LinuxMint17 (Host) and running another LinuxMint17 as Guest using Virtual Box. My Guest LinuxMint is able to ping Host LinuxMint but vice-versa is not happening. Network Setting in ...
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4answers
2k views

Ubuntu 11.04 VM shows a black screen in VMware Player

I have a Ubuntu Server 11.04 64 bit VM running on VMware Player 3.1.4 that only shows a black screen. No matter what I try, the screen remains black. The VM has worked the first time. When I reset ...
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1answer
24 views

Hyper-V within Azure virtual machine

I'm trying to move my development and testing environment in the Azure cloud. I would like to know if it's possible to have an Hyper-V running within an Azure virtual machine ? For the moment I ...
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3answers
3k views

How to share a VPN connection in a VMWare Guest VM with the Host

The need - This question is relevant for all of those who want to bypass their corporate's annoying VPN, and access their work/corporate network from their private computer, especially if the ...
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2answers
481 views

Can't access my computer after installing VirtualBox on it

There was a similar question 2 years ago, but everyone confused guest/host OS. After installing VirtualBox on my Windows 7 box, I can no longer ping it or access it from anywhere within the LAN. ...
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6answers
5k views

Does the Virtual PC XP Mode need safety measures?

Does the Virtual PC XP-Mode (or any other virtualized mode) require safety measures, such as antivirus or a firewall? I'm just wondering if the XP-Mode would be a large security loophole, since it's ...
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2answers
45 views

Creating a virtual machine of an old laptop [duplicate]

I'd like to create a virtual machine of an old laptop and then get rid of the old laptop. How does licensing of Microsoft xp operating system work? The operating system was pre-installed on the ...
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1answer
19 views

How to copy one folder form host to a virtual machine

My machine is a windows 7. I've installed VMWare workstation 10. And on that VMware, the windows 8.1. Now when I want to copy one folder form 7 to that 8.1 (by copy/paste or drag- and-drop) it's ...
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3answers
899 views

How to authenticate to a VM using Vagrant up?

Authentication failure during Vagrant Up, while vagrant ssh and ssh vagrant@localhost -p2222 works I would like to execute a shell script using Vagrant at boot. Vagrant is unable to Authenticate, ...
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0answers
21 views

Bridge Wireless Adapter on VM

I'm using Mavericks and using Parallel Desktop for Windows 7. I set up wireless network as Bridged Wi-Fi, but Windows 7 looks like still connecting to internet via ethernet. I can't see wireless ...
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4answers
526 views

virtual session: my home windows xp machine

Is it easy to run virtual session on my toshiba A45-s250 laptop. Operating system: Windows xp SP2 Ram: 2Gigs Intel Pentium 4 I want to start a virtual session and run visual studio express , free ...
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5answers
2k views

Does Android or Java use more power since it's running on a virtual machine?

Since Android applications run on a JVM (Dalvik VM) which is basically a virtual processor, and every virtual instruction has to be mapped to the underlying chipset's native instruction, does this ...
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17 views

How to install latest virtualbox-dkms with latest virtualbox on Debian Stable Wheezy

It is possible to install the latest virtualbox and extension pack on Wheezy using the following: # su sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian wheezy contrib" >> ...
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1answer
20 views

How do I connect to remote virtual machines on Virtual Box?

I'm new to Oracle Virtual box but have used VMware several times. I have a client that is now running a Windows xp virtual machine on his main machine to access a piece of bespoke software that will ...
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6 views

checking a CCID Compliance reader in VMware

I have VMware 9.0.2 build-1031769 with BackTrack-5 installed on it. Each time that I connect my ACS-ACR38 card reader to my computer, two below options added to VM > Removable Devices : Q1: What ...
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16 views

Virtual machine - Sleep seems too long

I run a loop that does nothing except sleep for 1 ms and count the number of time it loops. In a KVM virtual machine, I get 500 loops per second, where I expect to have 1,000 loops. That happens with ...
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1answer
17 views

Does hard resetting a Virtual Machine carry the same risk that hard resetting a “real” machine does?

It is common knowledge that doing a "hard reset" of your personal computer, that is, toggling the power without following the operating system's shutdown/reboot procedure, is a bad idea. It can cause ...
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2answers
64 views

Can't mount share in VirtualBox guest

I'm attempting to mount a share in a guest OS in VirtualBox: $ mount -t vboxsf share /mnt/share /sbin/mount.vboxsf: mounting failed with the error: No such device If I click the folder icon in the ...
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1answer
2k views

Bad Block on Virtual Machine (Virtual or Physical Problem?)

I am dealing with a virtual machine that is receiving the following entry in the event log: TIME OF EVENT: 7/30/2011 3:47:05 PM EVENT LOG: System EVENT SOURCE: disk EVENT ID: 7 SEVERITY: Error ...
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2answers
23 views

login process very slow over ssh to vagrant guest

Here's my problem, I have a 30-40 second delay after entering a username before I am prompted to enter a password, when I ssh into a vagrant guest VM. Setup is as follows: Windows 7 host, CentOS 6.5 ...
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20 views

Attaching an USB device to Ubuntu VM in VirtualBox

I have a Terratec Cinergy T2 TV capture card. I am thinking of installing Ubuntu on my server and want to experience first with it in VirtualBox. I have trouble having VirtualBox to connect the device ...
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8 views

Running two virtual servers cannot change network configration of second server

I am learning networking. The problem is that i am running two virtual machine of linux operating system on virtual machine whose server addresses are 192.168.1.100 and 192.168.1.200 respectively. I ...
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1answer
1k views

Two VirtualBox VMs running in parallel assigned same IP

I had one VM in my VirtualBox and wanted to use it as a template/image so I cloned it. Then I launched both the original and the clone simultaneously (to simulate a server cluster for something I was ...
2
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1answer
144 views

RDP can't reconnect after connection drops

We have a number of development VMs running which we typically access through RDP. After a few hours the connection will drop leaving us unable to reconnect giving the following message: This ...
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0answers
9 views

minimal linux setup with X and Virtualbox [closed]

Recently virtual machine tech is well developed, Hyper-v XEN vsphere OpenStack OpenVZ... However all of them too heavy for desktop using purpose and portable. I am wondering whether there is a ...
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2answers
2k views

Windows 7 VirtualBox image won't boot and I can't boot in safe mode

I am trying to load a Virtualbox VM using a VHD file that was provided to me. The VHD contains an image for our dev environment on a Windows 7 OS. The wrinkle is that when I try to start up the VM, ...
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1answer
29 views

Problem with Network Type to be used for Java RMI

I was installing CentOS Linux distro in VMware Workstation 10 when I stuck across the issue as to use which Networking Option to get my work done. Though I don't know whether it is fit for this site, ...
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0answers
21 views

win 7 not running smoothly on win8 host

Recently i've set up a windows 7 vm on my notebook (windows 8 installed). Here's the notebook specs: i7-4500u 8gb ram 1tb hd 2gb dedicated ram vga And here's the vm specs: 100gb of disk space ...
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1answer
86 views

Zerofree never ends. Is it doing anything?

I have been trying to use zerofree to reduce the size of my VM. It worked fine for one filesystem, but the other was mounted on / so it wouldn't let me. Then I figured I could use the 'recovery ...