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

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XenServer LVM and Virtual Machine relationship

I am trying to understand the relationship between LVMs and Virtual Machine files, particians and mount points on a XenServer. My end goal is to be able to view files that are hosted by virtual ...
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69 views

Can I use a “refurbished” Windows 7 license key on a virtual machine? [duplicate]

I am a software developer and recently purchased a Windows 7 Home Premium license and media labeled as "Intended for distribution with a refurbished PC". Does the license allow installation in a ...
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47 views

Configure UART/COM in Linux using Hyper-V Generation 2 VM

I've setup Linux Mint x64 in Hyper-V as a Generation 2 Virtual Machine on my Windows 10 desktop. I would like to attach a USB->Serial converter (FT232RL) to the VM, so I can program and debug embedded ...
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42 views

Access local VM from an external device

I have a local VM that hosts my website. The private IPv4 address of the VM is 192.168.10.120/24; I can access the website both locally to the VM and on the main machine by typing 192.168.10.120:80 in ...
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66 views

Bridged qemu machine cannot receive packets, these are dropped

I've created virtual machine (ppc) with bridged interface (using bridge helper) on archlinux. Machine can send packet out, but cannot receive anything. I can see packets (dhcp discover,request and/or ...
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47 views

Hyper-V configure with internet

I am using Hyper-V to create some Windows server 2012 R2 virtual machines. All was good until I found I could not access the internet in the virtual machine and now I am stuck. Where I am at ...
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12 views

Geting wrong permissions error using existing VDI in VirtualBox

I'm using the exact procedure here, but I'm getting the error shown below. I created the Ubuntu 15.10 VDI as a guest in Windows 10 (where it launches fine). I'm trying to use it in a VM in Mac OS. ...
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28 views

VirtualBox (5) - Make guest see VDI as USB stick?

I am using VirtualBox 5 on Windows 7 as my virtual machine program of choice. I am running a linux program on it, but it requires to save on USB stick (program written by my friend, who i lost contact ...
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76 views

Which filesystem to use for hosting virtual machines?

Goal A reliable server configuration which serves as the off-site backup for several, distributed servers as well as hosting a few virtual machines. Each server's backups should be encrypted, ...
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1answer
783 views

Why is Virtualbox start mode not detachable by default

Virtualbox has three start modes: normal (with a window for the VM but window cannot be closed) headless start (no window for the VM, but you can see a screenshot in VBox UI) detachable start (a mix ...
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24 views

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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30 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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11 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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21 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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28 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
34 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
39 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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114 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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27 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 ...
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1answer
141 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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107 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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29 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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9 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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20 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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31 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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51 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
46 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 ...
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46 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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65 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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47 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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73 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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92 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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1answer
20 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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25 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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63 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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66 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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23 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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66 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
32 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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1answer
17 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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29 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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2answers
164 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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50 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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60 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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59 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
53 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 ...
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46 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 ...
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1answer
55 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 ...