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

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Sharing existing ubuntu folder on host guest with Virtualbox

I am familiar with sharing directory between Ubuntu guest machine to host machine. But now I need to shared an existing ubuntu folder with the guest machine. I don't understand if and how it can be ...
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Connect Internet to Multiple HyperV VM's

I have 7 VM in HyperV 1 CentOS 4 Ubuntu 2 Win8.1 I want to connect all these VM's to internet. Internet is working on 1 VM only. DHCP is enabled in Virtual Switch advance options. Any help ...
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Can't Access Internet in Kali Linux

I have the very latest version of Kali Linux installed in a Virtual Box VM. My problem is I'm connected to the Internet in my Windows host but cannot access the Internet in Kali (accessing Internet ...
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27 views

vmware work station 10 - how to make it faster?

What are general strategies to make vmware workstation faster? I am running Fedora 10 inside it and recently it has become very slow. I have allocated around 1.4 GB ram for virtual machine. My ...
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8 views

VirtualBox VM slow when not focused

I have a CentOS 6.6 VM set up using VirtualBox on my mac, it's command line only, no X. It generally works really well but I've noticed that it is sometimes very slow when I SSH (using terminal) or ...
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Handling virtual machines in inventory software [on hold]

Situation We have a self-written inventory software which can handle computers, printers, mobile devices, etc. Virtual machines are not in the system currently though. We want that to change. Some ...
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Virtual Box Bridged network failed to get IP (DHCP) No DHCPOFFERS received

I am newbie in networking and virtual box configuration, I have spent several days dealing with this problem. My goal is to get Bridged network working. When I try to UP interface in my Virtual Box ...
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6 views

Virt-manager guest hangs, when host system sleeps and then wakes-up

I run virtual machine manager - v0.9.5 on ubuntu 14.04 (host) and there is Centos 7 up and running as a guest. The host machine goes to sleep (when i close the laptop lid) and then wakes up. On ...
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42 views

What is causing this Ubuntu boot failure?

Got this screen, it doesn't react. I cannot move further at all. I've searched extensively online, but didn't didn't find anything helpful. I thought it's a connectivity issue between my screen ...
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23 views

Can we use Ceph or Gluster FS to avoid IO bottleneck to start many VMs?

AIM: I want to start 50s of VM on s single server or on a set of PCs. Scenerio: I tried to boot 15 VM on a single server with enough computing power(processor) and RAM but disk is a bottleneck in ...
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17 views

Can't find one virtual machine whose network IPV4 is DHCP enabled

I had a virtual machine which I connect remotely from my windows machine. Virtual machines TCP/IPV4 property was assigned one static IP address by the network administrator. I have changed that from ...
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16 views

Get iso file from virtual machine

I have VMWare inside which I am running fedora. I want to make a copy of this virtual machine .iso file - so that I can run this image on another computer. e.g. Basically I want to run instance of ...
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vmware changes usb data structure

I have vmware on my Windows 7 and I connected my usb device to my virtual machine (win 7) but some functions of my usb device don't work correctly on vm so I analyzed my usb output data using Putty ...
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31 views

Interacting with VirtualBox using phpVirtualBox

I have VirtualBox up and running on my Linux machine. I've installed Apache and PHP, and have http://sourceforge.net/projects/phpvirtualbox/ up and running. I created a new virtual machine using ...
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8 views

How to mount a Virtual USB drive to a Virtual Machine?

I have created a Virtual USB drive using IMDISK referring to "Is there software to fully emulate a USB hard drive?". Is it possible to connect it in a Virtual Machine? I have tried but there is no ...
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33 views

RemoteFX from Windows 8.1 to Windows 10

Is it possible to use RemoteFX if client is Windows 8.1 Pro and virtual machine is Windows 10 Generation 1? I don't see RemoteFX options in Hyper-V Manager or RDC? How I can enable RemoteFX? Can I ...
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21 views

Can't Log in to azure VM running Linux from OS X

I´ve been trying to log in to a VM running Ubuntu in Azure from OS X through SSH verification. But when I try to connect to the virtual machine I get a Permission denied (publickey) error. To create ...
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9 views

DNS problems with a static IP configuration in a VM

I am using Parallels Desktop 10.2 for Mac on OS X Yosemite. I am trying to configure my my client (Ubuntu 14.04) to host a website that is available to the host via a particular domain name. In the ...
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40 views

Simplest way to setup my own remote private git server

First of all, I've read all the git-server-setup documents on the internet, but still, there is one thing missing -- I want to setup a simple GIT server in (Ubuntu) Virtual Machine for myself, not for ...
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21 views

VirtualBox and non-system disk fragmented to 41%?

I've installed VirtualBox reccently and have been playing around with installing different systems and working with them. I've created five different virutal machines: Windows 10 Technical Preview ...
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40 views

Windows 7 keeps turning off Aero theme, how to disable such annoyance [duplicate]

I run my daily work load in Windows 7 inside a VMware Workstation 11.1 VM, with 3 monitors(VM using all 3 monitors in full screen mode). The graphics performance inside VM is not so fast, and quite ...
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27 views

Gparted cannot resize extended or LVM partiton

I created a VM using VirtualBox and realized it was small. So, i managed (after some time) to create a new, bigger HD. Live GParted CD image (v.022): Now I need to integrate the unallocated ...
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36 views

Is there anyway to install a software inside a VM?

In my system I have 100s of virtual machines and I want to install a package uniformly inside those VMs, same version etc. I may not have the passwords for those VMs, becuase different users may ...
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24 views

Can't mount VMware tools cdrom in VMware Player

I know this should be easy, but I'm having a hell of a time figuring out where the vmware tools cdrom is (for instance it's not /dev/cdrom) and so I can't figure out how to mount it. I'm on Kali ...
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Oracle VirtualBox aborted when the host system lock

I have installed oracle virtual box 4.3.28 in a Windows 7 Enterprise SP1 OS in office PC.Thinking of that I will create as a SQL database server so that others can connected to that sql server and do ...
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8 views

Apache Spark Building Memory Issue for JVM Initialization

I am currently building Spark on my linux Red Hat 5 VM just for experiment. However, when running the mvn script or sbt script inside the spark 1.3 version source code (downloaded from the github), it ...
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29 views

VM: Mac OSX Host, Windows Guest: Use VT-d so that the fast GPU is available for the VM?

Vt-d is enabled in recent MacBook Pros, but I did not find any information on actual gpu sharing. Is it possible to set up a MacBook Pro with two GPUs (Intel, nVidia or AMD) so that I can use the ...
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38 views

Multiple virtual network adapters with their own MAC address and external IP address from the DHCP in Windows

I have been searching for a long time on this forum, and although there are many questions about the topic, I wasn't able to get a concrete solution to the problem. I want to have multiple IP ...
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19 views

How to delete Vmware Hard Disks, instead of removing them?

i have a question concerning Vmware Workstation 11. When i want to remove a virtual Hard Disk of a VM, it doesn't delete the big .vmdk files, it just removes it from the Hardware list of the VM. I ...
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105 views

Vmware/Virtualbox Yosemite OSX Not booting stuck 50% Halfway

I've spent 2 days and scoured the depths of google in a attempt to get past the boot screen of Mac OS X Yosemite Niresh. 10.10. In a virtual machine It's constantly stuck at 50% after extremely slow ...
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How do I run Debian via VirtualBox using the physical partitions (rawdisk)?

Disclaimer: My question is different to and not answered in any of these similar questions: VirtualBox: using physical partition as virtual drive Running Mac OS X Physical Partition Inside ...
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extracting info from virtualbox .sav file?

I have a .sav file of VirtualBox which I want to restore. But the problem is I only have this file (without any other info of the disk file and RAM size and so on). I tried to duplicate one of my ...
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My virtual machine is not connecting to the virtual network on hyper-v

I have created a virtual network on my host machine, verified that it is working properly, and added it as a network adapter for my virtual machine. But when I lunch the virtual machine, all it says ...
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6 views

Max percentage of resources that should be given to VM?

I'm running a local VM on my laptop using VMWare Workstation 11. My laptop is the host, as well as the computer I'm using to access the VM. My laptop - Windows 8.1 - has 8GB RAM and an Intel Core ...
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6 views

VPN PPTP Connection Shared With--Or From Within--VirtualBox VM

Using a Windows 7 host and a PPTP connection I've been unable to get the VPN working with a VM running a RedHat Linux derivative. Sharing the host's PPTP connection with VirtualBox's host-only network ...
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Remote desktop with vmware and usb connexion

I have a windows server 2012 with vmware installed , I have 3 vms ( win xp recomanded because of a software compatibilty ) , I access to those 3 vms from Itium 4030 thin clients over RDP , I have 1 ...
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26 views

Private host with static ip on VMware

I have an Ubuntu virtual machine that I run on my Windows 7 laptop with VMware player 7.1.0. Here is the setup: Virtual Machine Settings > Network connection : Bridged. Settings of the Ubuntu ...
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Enable Audio when connecting to Hyper-V Virtual Machine

I'm running Windows Server 2012 R2 and have two Virtual Machines with on my Hyper-V. One is of Windows 10 and the other is Linux Mint. In both cases I can't get the audio to work because the VMs arent ...
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pfsense with 4 WAN IP and outgoing NAT

I have a pfsense with a single wan ip, i want to assign multiple wan ip's. The pfsense machine is located on a vm machine with the other servers i wish to NAT forward. I want to give each server a wan ...
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In Virtual Box, how do you know which NIC is which from the linux command line?

I've run into a problem a few times now where I'm installing linux in a virtual machine, and all of my interfaces look like "enp0s3" or "enp0s8" ect. In one test, I was running a VM with 4 virtual ...
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40 views

Can KVM run on top of host OS?

I was interested in experimenting with Xen until I discovered that it has to be installed bare metal. Hence, if I have a Linux machine and want to use it to run a Xen hypervisor, I have to install the ...
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How to share the files between Virtual Machine qemu-kvm and host machine?

How to share the files between Virtual Machine qemu-kvm(windos7 installed) and host machine(Centos7 installed)? Thanks.
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Disable connection bar on VM when connecting via Hyper-V Manager

I am using the Windows Hyper-V Manager to connect to a virtual machine. The familiar Remote Desktop connection bar appears at the top of the screen and gets in my way, so I want to disable this ...
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26 views

Can not ping the Router in GNS3 via vmnet1

I have installed GNS3 on CentOS6.2. And on GNS3, f0/0 of c3725 connects to CentOS6.2 via vmnet1. I mannually assign 2001:cafe::1/64 to f0/0 of c3725 while I assign 2001:cafe::2/64 to vmnet1. Here ...
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Is it possible to stop Hyper-V renaming the WiFi connection to “Ethernet”?

Hyper-V needs to do something with the network drivers to allow for a host OS to access the external network. This interferes with the actual network device and renames it to "Ethernet". This is less ...
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63 views

vmware workstation Cannot change network to bridged

i'm using vmware workstation 8. I can not bridge my network adapter. I reinstalled a virtual machine and chose Bridged. When i view Virtual network editor, there is no bridged vmnet. I have NAT ...
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let virtualbox guest user access VBoxControl

I want to write a script to startup a virtualbox vm and execute some commands once the openbox session has begun. I read that I can do this using the guestproperty method in VBoxManage, provided I ...
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Hyper-V alternative in Windows 8.1 Single language

Is there any way to enable or install Hyper-V in licensed Windows 8.1 single language. I have heard it requires Pro Edition of Windows. I want to run windows phone 8.1 emulator in Visual Studio. It ...
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kvm-qemu debian 7 pci passthrough Digium Wildcard TDM410 AMD M5A97

I am attempting to run a Digium TDM410 PCI card in a Debian 7 KVM Virtual machine. So I can have it connect to my analog phone lines 4 FXO and answer calls through my Asterisk PBX phone system I am ...
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How to run sniffing demonstration using virtualbox and wireshark

I am going to have a demonstration of packet sniffing using wireshark. Therefore, I decided to create two vitual machines in virtualbox (with "host-only adapter" network config) and monitor the ...