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

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Windows Server 2012 R2 not presenting hostname to network

Environment is all Windows, non domain, including one host, five VMs, and three PCs. The Host (and periodically, one of the VMs) will not broadcast their hostnames across the network. Meaning, I ...
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31 views

How come I cannot use a VMDK disk on with a Windows 7 guest on another machine

I am a bit baffled about what I just tried to do. I have a machine running Windows 8.1. I have VirtualBox installed. Let's call this MACHINE-A. On MACHINE-A I have a VirtualBox Guest that runs off ...
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12 views

How to obtain the proxy resolver configuration of a Virtualbox VM

Virtualbox provides two configuration flags to modify the DNS behavior of the NAT engine for a virtual machine: VBoxManage modifyvm "VM name" --natdnsproxy1 on VBoxManage modifyvm "VM name" --...
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25 views

Virtual disk on external drive — VDI or raw?

I plan to keep an Ubuntu work environment on an external SSD and take it back and forth with me between home and work. I'd like to run it in VirtualBox rather than boot directly into it on each ...
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49 views

Trick VMWare Fusion into “Boot Camp”ing Linux

I have the following scheme on my harddrive: Ingwie@Ingwies-Macbook-Pro.local ~ $ diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE ...
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1answer
50 views

Using modern AMD chips with Vmware and Virtualbox

Looking to build a cheap PC and then install VMWare workstation and Virtualbox to create some operating system virtual machines. Do all modern chips work with VMware and Virtualbox, or do they need ...
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1answer
50 views

Can't boot my VirtualBox VDI — messed up storage setting

I messed some storage setting up in the VirtualBox GUI, and now I can't boot my VDI. I tried just creating a new VM and using the existing drive. That didn't work either. I get: This is what my ...
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233 views

Hyper V Server not starting

I have setup a computer running windows server 2012 Datacenter R2, however after adding the Hyper V Roll I still cannot start a Virtual Machine on the Server. I am told in the error message that the ...
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33 views

Getting “Watch Dog Time out” when starting VMWare Workstation

I had installed VMWare Workstation at my windows 8.1 but whenever I am starting the VMWare Workstation I am getting error "Watch Dog Timeout" could please suggest us what to do now. I have 4 GB of RAM,...
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1answer
235 views

Windows 10 in Azure VM - NET 3.5 installation error 0x8000FFFF

I just created a new Compute in Azure - choosing Windows 10 Enterprise (x64) image. For deployment I used Resource Manager mode, DS1 size, disk type Standard and left default for the rest of options. ...
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7 views

To creat static IP for my HDP 2.3 machines

How do I create static IP for my HDP 2.3 running on different machines and virtualbox? I have enabled a dhcp server adapter but when I execute ifconfig I see that both my HDP instances on both ...
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131 views

VMware Win7 host, Ubuntu 14.04 guest, 3D acceleration

Hello dear community I have the following problem: I used Ubuntu in my VM (VMware Workstation 12 Player) on Win7 in the past to emulate Ubuntu 14.04. And everything worked fine. By everything I mean, ...
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45 views

VMware VM has internet adapters but no network connection

I recently used the VM conversion center to migrate my physical PC to a VM. Now I'm running into a problem though. As you can see, I've got (multiple) network adapters. They all seem to work fine, "...
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12 views

VBoxManage creating file in wrong directory

Hey there I'm using vagrant to set up some test boxes however I don't want any of the files to be on my main disk. I've changed $Vagrant_Home to be off disk however VBoxManage is still creating files ...
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21 views

Can I install x64 vagrant system via virtualbox in virtualbox machine?

I have main OS Windows 10 and install VirtualBox machine with Ubuntu 14.04 where I want install vagrant with centos x64. Is it possible? I try it but I got vt-x is not available (verr_vmx_no_vmx) ...
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1answer
34 views

Virtual machine running a *newer* linux kernel?

Is it possible to, for example, have the main system be Ubuntu 15.04 and install a virtual box that runs Ubuntu 15.10 inside of it? Or does the host system have to have a Linux kernel that is at least ...
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53 views

Assigning different IPs to apps without the use of VMs

I'm trying to run multiple copies of a game in the same host but the game checks for your IP before letting you connect. So I'm looking for a way to get around that problem. I've rented VPNs and were ...
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1answer
84 views

Reduce the size of VMware disk

I am running Ubuntu 14 LTS as a virtual machine with VMware player 6.07. The machine is currently using 24.7 GB but the maximum size available to the disk is 230 GB. The disk space is not preallocated,...
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84 views

How to precisely sync the VM clock to the host clock

Is there any way to precisely sync the guest clock to the host clock? In my application the host is running PTP (slave mode) and I need the VM clock to be synchronized precisely to the host clock. I ...
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120 views

Unable to get Debian guest full screen on VMware Player 12

I have installed a Debian 8 guest on VMware Player 12 but I cannot get the Debian screen to fill my whole monitor even in Full Screen mode. When I set it up, I set screen size to be the same as the ...
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54 views

How to reconfigure NAT servers so they are exposed?

Here is what I have: Live HTTP server (104.x.x.x) DD-WRT'd wireless router (192.168.2.1 / 8.8.8.8 DNS server) Win 8 Notebook PC (192.168.2.100) VMWare BIND DNS server (192.168.3.108 / NAT on ...
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150 views

How virtual machines will be effected from DDoS attack on same physical server?

I mean let's suppose that there is a large DDoS attack to a virtual machine which is running on a physical server with other 10 virtual machines, how the other virtual machines will be effected from ...
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150 views

Is it possible to have more than one screen in Parallels?

I use Parallels 10 on Yosemite. My hardware has one screen or two screens, depending on if I use the laptop and/or an external screen in combination. However, Parallels only recognises one screen: (...
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42 views

How to remove a partition within a VDI file?

I recently created a new virtual machine (Linux) that shares the same VDI as an existing virtual machine (WinXP). The installation of the OS on the new virtual machine aborted because there wasn't ...
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28 views

Can't log in VM Ubuntu 14.04 LTS

I haven't used my VMware Player Ubuntu for a long time. I tried to log in today but when I write my password it seems that it starts normally and after a second it goes back to log in screen. I tried ...
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112 views

Why won't my mapped drive persist for elevated user after reboot?

This is related to this issue: Command Prompt in Administrator mode doesn't see mapped drives I'm needing to run a program (InstallShield) as an elevated user, but this program also needs to ...
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109 views

Bootable CentOS disk image won't boot in VMWare

I have custom bootable disk image built from a full CentOS 7.1 iso. I can burn this raw image to a USB stick and then use it to boot a server and install CentOS on that server. Alternative, I can ...
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40 views

Vagrant guest with public_network only pingable in public ip from host

I have a vagrant vm (Vagrant 1.8.1, Virtual Box 4.3.34) which i would like to access from another computer in my local network. The line in the vagrant file is: config.vm.network :public_network, ...
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8 views

Control the appliance of a VBOX externally

I am using virtual Box version 4.3.28. I am importing an appliance(.ova) file, and after importing I have to start the appliance. When it starts it ask me few inputs, like IP address, gateway , subnet ...
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94 views

Can't ping VirtualBox Windows 7 VM from separate OS X machine

I have a VirtualBox VM running Windows 7 on one Macbook, and have tried unsuccessfully to ping the VM's IP from another Macbook. Here is what I've tried so far: I have turned off the 2 Windows ...
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1answer
44 views

Virtualbox- Can't set up 2nd adapter to network, even though VM is powered off

I am trying to add a 2nd adapter to my VM so that I can ping to my VM from another computer, but so far I've been unsuccessful. The specific problem I am having is that, when I click "Enable Network ...
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19 views

KVM linux bridge

I'm quite new in networking. I have an server with an ip addr a on eth0. Now I have via KVM an VM running on the server. I've got an other ip addr b which I want to use for the vm so that it will be ...
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30 views

Why is my Virtual Machine Backup larger than virtual machine drives

As part of a disaster recovery test, we made a backup of a virtual machine that runs our SQL server. The backup file was >360GB and took a long time to copy over USB 2.0 (don't ask me why our disaster ...
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223 views

Any Way to Pass Media Keys Through VirtualBox

I have Linux inside a Virtual Box on a Mac. Whenever I press the "Play/Pause" media key, even if I'm inside the Linux VM, the Mac iTunes app opens. This makes it impossible to use media keys inside ...
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63 views

How do I ping virtual machines that are connected to my host pc?

I have installed VirtualBox on my pc. I have "Virtual Host-Only Network" virtual network card and two connected machines to it via Host-Only network mode. I want to check their addresses from host, ...
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1answer
87 views

Is running a linux VM on a windows machine for btrfs software raid a good idea?

A bit of backstory: I used to have a raid 5 array on my main (win 7) computer using a highpoint raid controller. I used to think if any part died I could replace it, so I was safe as long as I did not ...
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2answers
92 views

Displaying windows from a Windows virtual machine on a Linux host window manager

I am able to display windows from an UNIX machine on a Windows client using SSH X11 forwarding. But is it possible to do the opposite? Let's say I have a Windows virtual machine and run some software ...
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1answer
91 views

Can I point an A class host record to a domain name instead of IP?

I recently registered my first domain name from GoDaddy, and want to point the domain to a website hosted in Azure VM. Azure VMs change their public IP if restarted, so I don’t want to point my host’...
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83 views

Communication with Windows Guest OS run in Qemu

Using a headless Ubuntu 14.04 server, I'm running a Windows 7 guest in Qemu to which I am passing through the GPU (for performance). I am writing an application for which part will be running in Linux,...
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1answer
75 views

Access virtual Ubuntu Localhost from Windows

I am using VMware Workstation on windows10. I have installed ubuntu14.04 as a guest in VMware. In ubuntu I have installed Apache. I can access localhost in guest Ubuntu. but I want to access it on ...
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1answer
55 views

Boot to BIOS in VMWare Player

Is there an easy way to boot directly to the BIOS in VMWare Player so that you can select the OS and such? Currently I use the keyboard commands to enter the bios, but it is hard to catch it in time.
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2answers
323 views

Virtual machine GPU passthrough with Windows 7 as host

Is it possible to do that with VMware or VirtualBox? I want to have Windows 7 as a host OS and Windows 7 or Windows 10 as a guest OS. I've seen a few guides, but they all assume I use Linux as a host....
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1answer
480 views

USB 3.0 Flash Drive vs. 5400 rpm HDD for VirtualBox VM

Based on a comment, I'm trying to make this a technical question rather than an opinion question--performance of two proposed hardware configurations. I want to switch back and forth between Linux ...
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1answer
97 views

How do I make a virtual machine with non-standard speed of time (timescale)?

I think it should be technically possible, but I don't know of any ways to do this in already existing software. What I mean — the "hardware" clock in the VM should be able to run at different speeds,...
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66 views

Network Settings on VirtualBox clone (From KVM VPS)

I've recently copied my Debian KVM VPS to my local computer via the dd command. I've converted it into a .vdi and am now running it in VirtualBox. I'm having difficulty configuring the machine for the ...
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61 views

VMWare Workstation Internal error

So I have been trying to get a BMW Diagnostic system running in VMWare going. Everything goes fine till I finish installing and restart to use the new OS. Keep getting an error, a Vcpu-0 double fault ...
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99 views

Can't access IIS website inside a VM via HTTPS

I'm running Win10 through Parallels and trying to access a website in IIS from a browser outside the VM. I've added an entry to my hosts file which maps the VM's IP address to "windows", and I can ...
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60 views

RDP not going to multiple Screens

I am trying to use multiple monitors with an rdp session on Windows 10(host), the source is on Win 7(guest) and a Hyper-V vm. When I exec from cmd the following code mstsc.exe /span it works, but not ...
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103 views

Ubuntu Desktop 14.04.3 virtual machine flickering

I am using Windows 10 Pro 64bit and installed Ubuntu Desktop 14.04.3 as a virtual machine using VirtualBox. I set my virtual machine to another desktop and made it run in fullscreen. When I open ...
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73 views

How to use Wi-Fi adapter in virtual machine as Wi-Fi adapter?

How to use Wi-Fi adapter in virtual machine as Wi-Fi adapter? I don't want to connect some network before. I want to connect to wi-fi network in my virtual machine. No matter what it will be - client ...