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

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Why doesn't windows properly report the RAM being used by VirtualBox?

So, out of curiosity I decided to take a look at my RAM usage with my windows 7 VM (3 GB RAM allocated) running. I was... surprised to see the results, and I'm wondering why these results are the way ...
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5 views

Read Leap Motion tracking data from guest VM on host machine using WebSockets and VirtualBox

Ok, so I am trying to get the tracking data from my Leap Motion from inside a Virtual Machine and use the tracking data on my host machine. Guest OS: Ubuntu, using VirtualBox Host OS: Windows 8.1 I ...
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9 views

Install VMPlayer on Ubuntu Live USB

I want to install VMPlayer or other virtualization software on a Ubuntu Live USB. How can I edit the image file so can write new image file to USB and can boot live usb image , and run VMPlayer ...
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9 views

Hosting VMs vs Having One Machine Do It All

My friend and I were discussing how to host our small server last evening and we had a minor debate on something and couldn't really find an answer. The argument was "Having one server do all the ...
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1answer
26 views

How to use Virtual Box with a Disk image created with Norton Ghost?

I was given a file with "sv2i" extension and a couple of "v2i" files. According to my search, it is a disk image created with Norton Ghost. I converted the sv2i file to a vmdk file, which apparently ...
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11 views

Unable to connect to internet with VirtualBox?

Earlier, I was using multiple instances of Virtual Machines running Linux Ubuntu 14.04 on VirtualBox. They were working fine, with internet connectivity, etc. However, I then created a new Virtual ...
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27 views

Not able to acces internet in an Ubuntu Guest in a Windows host using Oracle VIrtual Box

My Machine is a WIndows 7 enterprise edition. The network in my institution is setup in such a way that Mac Addesses have to be registered in the system to work. I installed the plain and vanilla ...
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1answer
11 views

grub rescue moved folder out of root

I made a really silly sudo mv /* /some_folder move command on my remote server vm ubuntu 12.04 that moved my boot folder to /home/.../somefolder/boot I can access this folder via a ...
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1answer
16 views

Can I run my desktop on a bare-metal VM layer to swap between operating systems?

I'm running CentOS as my primary desktop, but I need to be able to use Windows and Ubuntu from time to time to test things on those. As I don't have any extra hardware immediately available, I could ...
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20 views

Can Intel's VT-x be virtualized?

My CPU doesn't support VT-x. Can this technology be virtualized? I mean in a guest machine. Like VMware Workstation or Oracle Virtual Box. Or do you have to buy a new CPU that supports it?
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28 views

Can I install Mac OS in windows through VMware workstation?

Can I install Mac OS in windows through VMware workstation ? I have VMware workstation software. I want to install Mac OS in Windows 7. Can I?
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1answer
18 views

.DSK to .vdi or other Virtual box supported format

Is there any way to convert dsk files to any usable format for virtual box? Is this type of conversion possible or not?
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1answer
13 views

Ubuntu virtualbox host connection issues

im very new to the server world and trying to follow a book which i should be learning about Magento with but it describes a way of setting up a virtual machine using oracles Virtualbox and installing ...
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1answer
29 views

How much RAM should I put aside for ubuntu virtual machine

I currently have windows 8 in my laptop with 4 gb RAM.. I recently installed the virtual machine of ubuntu. Now I need to run a tool whose memory requirements are as follows : 1) Atleast 5 gb RAM 2) ...
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1answer
21 views

Can I provide a virtual Windows environment for my users?

I want to provide an environment where users are free to install and break whatever on their accounts without disrupting the experience of other users on the computer. Since it's in a home ...
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0answers
8 views

Where to add a new sudoer in vCenter?

Currently, in vCenter, I clone new VMs using an Ubuntu 14.04 template and a SimpleLinux customization spec. I now need to add a new user (newuser) and configure it to be a sudoer in /etc/sudoers like ...
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3answers
17 views

SSHing into a Ubuntu VM instance

I have an Ubuntu VM instance running on my laptop. Both Host and VM run the same OS - Ubuntu 12.04. I tried to ssh from host like ssh username@<VM-IP> It tries for some time and then says ...
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1answer
20 views

Install Windows Server 2012 R2 in qemu VM

I'm trying to install Windows Server 2012 R2, but right after loading Windows files I'm getting: Your PC needs to restart. Please hold down the power button. Error Code: 0x0000005D My command is: ...
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40 views

What's faster: Running a Windows virtual machine on Linux or running a Linux VM on Windows? [closed]

I've searched the internet for this and I don't think I've been able to phrase the question concisely for any search engines, so I'm turning to people! I've got a laptop and I would like to know what ...
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20 views

Developing within VMs across multiple machines(Virtual box)

Recently I've developed a need to work within a few virtual machines. If I want to work on a different machine I've actually been copying it back and forth and it is a pain to do and causes issues. ...
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16 views

Cannot import .ova

I'm trying to import an .ova file into my VirtualBox on Ubuntu 12.04 (64 bits), but when I do this I get the following error: Failed to import appliance /media/USB/Respaldo 11 (Armando)/SW/Maquinas ...
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17 views

Linux Mint Hostname Incorrect in Router Config?

I just setup my Linux Mint machine and am connected via Xfinity router (Comcast) via Ethernet connection. My computer name is set to "My-Name-Linux-Mint" but when I view "Connected Devices", the ...
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16 views

Not able to get network configuration on a Ubuntu guest running on Virtual Box on a Mac OS X host

I have VirtualBox 4.3.12 and I am trying to use a Ubuntu 13.04 guest on a Mac OS X Mavericks host. I used to be able to do Host-only networking on my VM till I tried to get Bridged Networking working ...
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10 views

Vagrant vbox 45-50% CPU usage

I am running a headless Ubuntu server box on my Windows 7 64 bit PC with Vagrant. My PC has 8 GB ram and Intel Dual Core 3.16Ghz E8500 processor and PAE. The problem is that VBox routinely uses btw ...
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31 views

Unable to find expand option in virtualbox

I have a ubuntu installed in my virtual box which is running out of space I am following this to solve my problem,the command given below worked fine VBoxManage.exe modifyhd ...
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7 views

Windows DHCP MAC-Range to Scope allocation [migrated]

I wonder if there is any options to map a specific Range of MAC addresses to a specific DHCP address scope. The thing is, I want a specific scope for address allocation to bridged Virtual Machines ...
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7k views

E_FAIL (0x80004005) when running Linux through Windows 8 Virtualbox

I wanted to run Linux through my Winows 8.1 machine using VirtualBox as hypervisor. After I tried adding Ubuntu (or Fedora, on another instance) to the list of virtual machines, I clicked Start, but ...
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13 views

Virtual Windows on top of hidden linux

My end goal is to have a machine that is running Linux but automatically starts up a virtualization application (Xen looks the best right now) and boots Windows. At a glance I know this will require ...
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1answer
18 views

Seamless Mode and Auto Resize Guest Display are grayed out (disabled) - VirtualBox

I am using VirtualBox version 4.3.12 and I am using a freshly installed Windows 8.1 VM, but for some reason i cant get it to go into seamless mode. I have seen that some people have said that i need ...
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1answer
33 views

RDP to Microsoft Azure's virtual machines via proxy server

I have created virtual machines in Microsoft Azure and I can't connect them from my work office, probably because it must go through the proxy server. From my Google-ing I understand that it's ...
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25 views

Erratic PHPStorm file corruption in samba share after VM Ubuntu update

I have a Virtual Machine that I use constantly for my development projects. I work on Mac OSX, but have my development environment on a virtual Ubuntu. Before today, it was 12.04, but I just updated ...
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32 views

What kind of Windows privileges would make it so I can delete a file from Linux, but not create one?

So I have a folder with some crazy (Windows) ownership privileges. I have the folder mounted on a Linux guest OS virtual machine shared folder. I can delete files from the folder using rm -f, ...
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88 views

Access webapp on guest virtual machine from network

I'm running a webapp via tomcat on my virtual machine (development environment). I'm trying to access this webapp on other computers (other machines on the network, and the host machine) but I am ...
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11 views

How to overtake the limit of NICs in virtualization softs?

I want to connect unlimited number of NIC to a mikrotik virtual machine but all virtualization softwares has limit to the number of NICs so, is there a soft that doesn't have limit? if there ...
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1answer
61 views

Virtualbox display issue

I installed Virtualbox on Mac and then installed Ubuntu on Virtualbox as a virtual machine. My Ubuntu display comes as 640 X 480 (4:3) resolution and cannot be changed. My actual screen resolution is ...
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18 views

Running Virtual Machines on USB 3.0 drives

There are some pretty interesting USB 3.0 drives out there in the 'stick' variety, notably from Corsair and Mushkin. I'm wondering if anyone can attest to the performance of VMs on these drives, of ...
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18 views

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
87 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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53 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
61 views

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

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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21 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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17 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? [closed]

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
55 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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11 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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1answer
14 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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40 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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23 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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53 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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13 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 ...