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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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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22 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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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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17 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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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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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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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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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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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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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
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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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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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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18 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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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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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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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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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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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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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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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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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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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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22 views

Virtualbox NAT mode

I'm under the impression that I should be able to use NAT (not "NAT network" which doesn't appear to let me even hit OK) to communicate with my VM from my host. Even after forwarding ports, I could ...
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15 views

Can't access vagrant forwarded port from host

I can't get access to vagrant forwarded port from host (windows 8.1). The vagrant box is "hashicorp/precise64". I have forwarded port by config.vm.network "forwarded_port", guest: 8080, host: 8080 in ...
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22 views

Can't connect to VirtualBox Ubuntu guest from Ubuntu host

I have an Ubuntu 12.04 virtual machine running inside VirtualBox and I recently switched it to a new host running Ubuntu 14.04. After the switch the guest can connect to the Internet, but no other ...
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19 views

Unable to turn on Virtual Machine Windows Virtual Server 2005 R2

I have a standard virtual machine that is running windows 7 32-bit, on a a physical server running Windows Server 2008 64-bit. The virtual machine is running on Windows Virtual Server 2005. When I go ...
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19 views

How to virtualize an existing OS2 operating system?

I was looking into virtualizing OS2. I know it's a little tricky to virtualize OS2 in the first place, but I was wondering If it were possible to virtualize an existing OS2? I was going to use Virtual ...
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10 views

Compatibility of strace/ptrace with virtualized environments

I have realized that strace(http://sourceforge.net/projects/strace/) sometimes (not always, the behavior is non-deterministic) freezes when run in virtualized environments. For example, I have tried ...
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15 views

port forwarding in windows 7 to vmware

I have a windows 7 in a network with ip 10.1.1.74 and I have vmware with centos which it's ip is 192.168.160.129 and has configured as NAT with my local windows 7. I have set up a apache httpd server ...
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7 views

Route request from 1VM to another

I have a linux ubuntu vm and windows xp vm running parallel. How would I go about routing a request from the xp vm to the linux vm? Host PC is setup to route test.com to 192.168.33.10 which is the ...
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42 views

Unable to install Ubuntu 14.04 on VMware Fusion on OS X Mavericks with 7.15 GB of Free Space

Have a MacBook Pro, running OS X Mavericks, with 7.15 GB of free disk space. Downloaded VMware Fusion 6.03 and ubuntu-14.04-desktop-amd64.iso... Tried installing Ubuntu using the following steps: ...
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VirtualBox VMs in the same network, not in the same as host

I have operating systems running on my host machine in VirtualBox. I want these to be able to access the internet and see each other. I don't wan't to use the bridge option because I want them to be ...
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2answers
49 views

Memory mapping of a 32-bit virtual machine on a 64-bit host

My host is a 64-bit ubuntu operating system and I want to setup a windows 7 virtual machine. I suspect that using a 32-bit windows 7 vm does not have any benefits regarding the RAM and disk space ...
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Develop code locally, run through virtual machine?

I would like to develop on my Windows machine and have the code run and update on a CentOS virtual machine. I could probably figure out some way to do this, but I would rather use any pre-existing ...
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Wifi connectivity on a virtual machine while it is not working on the parent machine

I am having wifi connectivity issues on my Windows 8 laptop. I am thinking to install windows 7 as a VM using virtualbox. Will the wifi connection work in the VM (win 7) while it has connection issues ...
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9 views

How can I modify the default bootloader for XCP guests?

I want to automatically set the hostnames of my XCP-created centos VMs during build. The xe-edit-bootloader only works when I specify an already-existing VM. But I want to set my VMs as DHCP - so I ...
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1answer
20 views

QEMU outside gateway

I've created two instances of CentOS6.5 (KVM) using Virtual Manager and I'm able to ping google.com, yahoo.com,etc... However the ip addresses for the instances are 192.168.0.* and the machine that ...
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Can I load my local Windows install into a Linux virtual machine?

I have Linux and Windows both installed on dual boot. How can I load my existing Windows installation into a VMWare Workstation while I'm booted into Linux?
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Too many VMDK files on my windows VM

I have a windows vm with 60 GB disk running on VMWare Workstation. I see the total size of the folder containing is close to 115 GB. I had some 7 snapshots and though snapshots are the reason. Delete ...
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17 views

Vista VM cannot connect to printer shared from Win 7 VM - Error code 0x00000102

I'm running two OS's using Oracle VM Virtual Machine. One has Windows 7 Pro x64, the other Windows Vista Business x86. I have to try and connect a printer installed via USB and shared inside of the ...
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Pinging host from virtual machine

I have Windows 7 running as the host OS.I just installed my copy of Virtual Box and run Kali Linux as the virtual OS.I disconnected my host from the wireless connection at home,and it got connected to ...
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22 views

how to create multiple virtual NIC which each of them can take IP from DHCP when only single physical NIC is available

There are several virtual machine tools that can create multiple NIC for their guest OS. thought almost all of them let the virtual NIC of the guest OS to connect the physical NIC, I haven't seen any ...
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38 views

Back-up Image to Virtual Machine

Prior to updating my development machine from Windows 7 Pro to Windows 8.1 I did a full Microsoft back-up as well as a full Norton 15 ghost recovery point. After a few weeks of working I discovered ...
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Application is running on Virtual machine, unable to access from Host machine

I have host on window 8 and guest (oracle VM) on Linux 5.4. I have application which is running in guest environment & access it http://local.address:8000/ I would like to access the same ...
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How to run headless VirtualBox in another GUI terminal in Linux?

I want to run Windows and Linux simultaneously through Virtualbox with Linux as a host. Having desktop environment running on GUI terminal (ctrl+alt+f7) I want to run from the first terminal ...
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24 views

Is vmware more secure than xp mode?

Seem like the default sharing with host in xp mode ia very high risk while vmware kind of really separate vm and host. Any idea?
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Failed to load Ubuntu virtual machine from vmdk

I'm trying to move my cloud Ubuntu environment to virtual machine. These are the steps I've done so far: 1) Create disk image with dd command and moved it to my Windows OS. 2) Converted it to .vmdk ...
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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, ...