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

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how do i select bridged network adapter in virtualbox?

A CentOS 7 VM is running in virtualbox inside a Windows 8.1 host. I am trying to set up Bridged Networking, but am getting the following error highlighted in green in the print screen: However, ...
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1answer
32 views

how do I ssh from a vm to a private server through an ethernet cable?

A devbox has Windows 8.1 as the host OS running VirtualBox and a virtual machine with CentOS 7 for development. The devbox is connected to a CentOS 7 development server through an Ethernet cable. The ...
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1answer
23 views

Windows 7 64bit ISO can't install in virtual box: Pops up “select driver to install”. Why?

Aall three above points are matched with my machine....the problem is that after I boot win7 32bit and 64bit(dual) ISO from virtual box (followed all the required steps to make a virtual disk in ...
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0answers
15 views

How to resolve SSL connection error in powershell

When I am running a powershell script an error occurs: Connecting to remote server SERVERNAME failed with the following error message : The SSL connection cannot be established. Verify that the ...
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4answers
36 views

Does a VM created in Oracle VM VirtualBox take away memory and disk space from the host computer?

I have a 32-bit Windows 8.1 operating system. However, I only have 20 GB on my C Drive. I do not want to use it all up and don't know if in creating a VM, it will take away space from MY computer's ...
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3 views

Audio Latency on Virtualbox Windows Guest on Linux Host

I am trying to run Cubase (music production system) inside a Virtualbox Windows Guest machine on a Linux Host. I have also installed the ASIO4All driver on the Windows Guest to reduce the latency. ...
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0answers
15 views

VMWare fills the host disk and it needs reboot of the host system

I am using VMWare to run 2 virtual machines. However, after some time, the available space on the hard disk (~200G) has been filled by VMWare. After a reboot the space is available again. This is a ...
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1answer
27 views

Hyper-V Manager can't find virtual machine

I am using the Hyper-V Manager and following a Microsoft Learning tutorial. I already have the three folders representing the Virtual Machine in: C:\Program Files\Microsoft ...
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0answers
31 views

Can you transfer a Windows 10 OEM licence to a VM while not running a Windows host OS?

From the information scattered around the Internet, it seems that running Windows as a host OS and also installing it as a guest OS somewhere using the same key is okay so long you don't use both at ...
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1answer
13 views

Ubuntu running on Virtual Box shows black screen

I have two VMs installed on Virtual Box. And both of them are Ubuntu. But one of them shows black screen upon booting, the login page is not shown. It was totally fine before. How can I solve this ...
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1answer
36 views

Can't seem to use 2CPU on Oracle VM VirtualBox 5.0.2

I have an Intel® Celeron® Processor N2815. I've confirmed Virtualization and VT-x are enabled. I can't choose more than one CPU when configuring a Linux machine on VirtualBox; the scroller is grayed ...
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0answers
18 views

Error while connecting to USB device in VMWare Player after update to Windows 10

I have a VMWare Player version 6.0.0 installed on my machine since when I was using Windows 7 x64. Some time ago I updated the later to Windows 10 and when I started my Linux Ubuntu Gnome with VMWare, ...
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1answer
40 views

Windows 10 Auto-Activation on Virtual Machines

The Windows 10 auto-activation system is quite nice: you no longer need to type in serial numbers to re-install the OS on the same machine - the machine's identity is used to activate it. When doing ...
2
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1answer
74 views

Intel HD Graphics, Switchable Graphics, and 3D Acceleration in Virtual Machine

In my system I have two Display Adapters in a Host with Windows 10: Intel HD Graphics 4000 AMD Radeon HD 7600M Series The DirectX Diagnostic Tool showed that: Intel is Full Display Device Type ...
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1answer
20 views

Interface not showing up in airmon-ng

I'm running a virtual Kali machine on VirtualBox and want to connect my USB WiFi adapter to said VM. Here are some details: Host OS: Windows 8.1 Guest OS: Kali Linux 1.1.0a (amd64) USB Adapter: ...
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0answers
15 views

Getting UEFI shell when trying to boot OS X in Virtual Box

I am using the latest test build of Virtual Box (normal versions don't work on El Capitan). When trying to boot a Virtual Machine with an El Capitan cdr file (created from the command line) I end up ...
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0answers
18 views

Virtual machines and remote desktop [closed]

The situation is - I need to do some coding remotely. Im not really sure how to approach this issue and I hope you would give some guidance. I do have capable PC at home that I could just remotely ...
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0answers
20 views

Is there a bare-metal hypervisor that allow you to manage VMs from the Server? [on hold]

We're looking to demo our network architecture using a single machine. To do this I hope to run a handful of VMs that mirror our network. In order to save on resources, rather than using a ...
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1answer
25 views

Virtual Machine or a Cloud Server without IP Address?

Is it possible to create a virtual machine or a cloud server on a dedicated server without IP address, for example with a hostname, or something else? The reason I'm asking this is because I want to ...
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1answer
26 views

Running a VPN inside a Linux VM, connect from host to encrypt traffic

Is it possible to run a VPN inside a Linux VM that a host would connect to in order to protect traffic on an unsecured network? Or is the traffic that the VM VPN tunnel sends going to be unencrypted ...
2
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0answers
18 views

Virtual Box OSX host, Windows 7 Guest Host-Only Network appears as Unidentified network

I'm trying to set up communication between my guest Windows 7 and host OSX machines. I have virtualbox configured with a vboxnet0 Host-only network with the following settings: IPv4 Address: ...
0
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1answer
22 views

Reset motherboard after sleep

I have a problem with my computer. I put my computer in sleep mode. When I want woke up my computer, the screen turn on and stay black. After that I need to power off the computer with shutting the ...
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25 views

Internet access on Hyper-V & Windows Server 2012 r2 WITHOUT a physical router

Hey I've been searching for two weeks for an easy way to set up internet access to virtual machines that are hosted on Hyper-V that is on my Windows Server 2012 r2 machine. The physical server ...
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0answers
12 views

virtualbox stopped sharing mouse and clipboard between host OS and VM

I have virtualbox 4.3.28 installed on MS Windows, with CentOS installed in a VM inside virtualbox. For some time, I have been able to share the mouse and the clipboard between the host OS and the VM ...
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1answer
49 views

How to increase usb transfer speed on VMware ESXi 6.0?

I have some Linux and Windows VMs on ESXi. I put external HDD to usb-port on ESXi server and added this drive to VM. Windows VM copied one big file to this drive with 30MB/s speed (drive was ...
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1answer
15 views

Setting up OpenStack environment on virtual machines

I am learning OpenStack for almost a week. After reading most of OpenStack wiki, my mind still blurry at some point. However it is said OpenStack nodes could be installed on virtual machines (VMs) for ...
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2answers
35 views

How do I use a prebuilt virtual machine?

I downloaded prebuilt virtual machines of Windows 7 and XP. I'm trying to run them in VMware, but I don't know how to use a prebuilt VM. How do I get them to work?
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1answer
25 views

Problems with local networking on Kali Linux

I installed Kali Linux on VirtualBox recently. I do not have an external adapter; only my internal adapter. The problem is when I set “VirtualBox -> Settings -> Network ->Adapter1 -> NAT” I can ...
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0answers
10 views

Can there be multiple persistent scsi names for the same device?

I'm working on a product that runs on a CentOS 6 VM running on ESX 6. As part of the installation, we attach hard drives a pass-through RDMs to the VM and then make partitions on the drive using GPT. ...
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43 views

Create windows 10 VM with 8.1 key without upgrade [duplicate]

I would like to create a Windows 10 VM. I just have a Windows 8.1 key, but I don't have it installed because I am using Ubuntu. The question is if I can install the W10 VM upgrading the old key, ...
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1answer
23 views

How can I manually engage turbo on my processor when running Windows (Server 2008 R2) as a VM?

An application I run is heavily dependent upon raw processor speed as opposed to use of multiple cores. The processors in my VM host have a base of 2.9 and can turbo up to 3.3, but it appears Windows ...
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17 views

Restoring a Clonezilla Image to a VirtualBox VM

I have a Windows 7 host machine with virtualbox installed. I also have two external USB drives (we can call them DriveA and DriveB), DriveA has the image I want to restore to a vdi on DriveB. On ...
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1answer
22 views

Port Forwarding for 2 HTTP Servers (one of them is on VM)

I have a Dynamic DNS from noip.com and I have installed their client on my home server. I have also installed WAMPServer to use as an HTTP server (for testing purposes only as I'm a web developer) ...
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25 views

Hyper-V Import Tool System.Management.ManagementException on Connect

I have Windows 8.1 Pro and have successfully installed the Hyper-V Manager. I can open the manager and see my local machine and can see that the service is running. I am using the VMC Hyper-V Import ...
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1answer
29 views

The virtual machine could not be started because the hypervisor is not running

I can not start Hyper V virtual machines. I am getting following message: [Window Title] Virtual Machine Connection [Main Instruction] The application encountered an error while attempting to change ...
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0answers
24 views

Ethernet-Connection ubuntu with VMware Player

I installed VMware Player 7.1.2 on my Windows 7. On my VM I installed ubuntu 14.04. Now I have problems connecting to internet. With my computer I am connected with ethernet. Ubuntu can connect with ...
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0answers
23 views

Virtualbox Windows graceful shutdown of guests on host shutdown

I am trying to find a solution to gracefully shutdown any guest VMs running under VirtualBox Windows when the host computer is shut down or restarted. It seems that the safest option would be to ...
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0answers
21 views

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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2answers
27 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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0answers
12 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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0answers
15 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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0answers
465 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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0answers
32 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 ...
0
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0answers
28 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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0answers
19 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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0answers
32 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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Windows 7 on a virtual machine doesn't update

I can't update Windows 7 on a virtual machine, it says "Searching for updates" but it never updates. It's a clean install and I use VirtualBox, any ideas?
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0answers
14 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
35 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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0answers
27 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 ...