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

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Xen credit scheduler, equal distribution?

Does Xen's credit scheduler assign an equal fraction of processor resources to each guest OS? I know the distrobution can be altered with weights, but, by default, is it equal? ...
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90 views

Trouble setting up more than 4 network adapters in VirtualBox (XP Guest)

I've been trying to setup the 8 network adapters that VirtualBox is supposed to support, through the command line. I need them as bridged networks (because I use them to forward ports from a server ...
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92 views

Define new VM with virsh create (error: Failed to create domain from)?

On debian 7.3 I install KVM for virtualization. I have a VM on an other machine and try to clone it by virt-clone on LVM disk and then dd that disk to a file for moving to this machine. In target ...
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27 views

virsh - Failed to detach disk

I'm getting the following error when trying to detach a disk in virsh: virsh # detach-disk svr21 xvdb --persistent error: Failed to detach disk error: Requested operation is not valid: Xm driver only ...
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1answer
96 views

Virtual Machine faster than host computer?

It seems impossible, I am shocked. I installed Windows 7 on my PC, it took about 30-40 minutes to install, and normal boot (when there's no program installed) takes me about 30 seconds. I run a VM on ...
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73 views

How to expose local loopback to (VirtualBox) VM connecting to host via NAT (VirtualBox NatNetwork)

I'm using the VirtualBox NatNetwork type to connect most of my VMs to the host (with the required ports set up for forwarding). I'd like to know how I can connect to the local loopback ("localhost") ...
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2answers
135 views

MS Virtual PC will not Start a 64 bit Guest [duplicate]

I am running Windows 7, 64 bit. I would like to install Windows 8.1, 64 bit, and have been attempting to use the MS Virtual PC hypervisor. I attached the Windows ISO as the CD drive. It does try to ...
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1answer
1k views

64-bit Windows guest in VirtualBox impossible without VT-x support?

I have successfully installed Windows Vista 32-bit in a VM with VirtualBox. Now I'm trying to do the same with Windows Vista 64-bit and it just isn't working. I have created the VM but it seems that ...
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1answer
31 views

Send special keys to virtual machine

I do most of my computer work in Ubuntu, when I need another OS I just use VirtualBox or VMWare Player. Sometimes when I'm in a Linux VM, I want to change to the console or use SysRq keys. I obviously ...
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106 views

Doubled packets and TCP retransmissions in PPTP connection

I have a PPTP server setup at my home network: ROUTER: a router (Zyxel Keenetic Giga II): external address EXT, internal address 172.20.246.1 WINDOWS 7: a Windows 7 host machine, internal address: ...
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1answer
21 views

networking in virtualization

I have a redhat9 as guest and a fedora18 as host. the guest is connected to network but I'm not sure through bridge or nat. I just know that other machines can't ssh or ping it. because they are not ...
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17 views

VMware Host-Only without Host?

The question may seem confusing. I am setting up a malware lab, and would like to create a virtual private network basically between 3 VMs (so I can use tools like inetsim). I am using VMware ...
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1answer
65 views

How large can a VMware datastore be? Name of VMWare software that monitors single server/multiple servers?

I had an interview and was asked the following questions about VMWare. I'm eager to know the answers, please help me : How large can a VMware datastore be? What is the name of the VMware software ...
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1answer
19 views

vmware remote Linux vm interactive boot

Is it possible to interactively boot a remote Linux based vmware vm? If the vm is hosted locally, I can start it with my vmplayer and see the BIOS screen, then my Linux boot grub menu. I can then ...
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1answer
52 views

Converting a real Linux OS to a virtual machine on Windows [duplicate]

I currently have Kali Linux OS installed on my machine normally (not as a virtual machine). I'll soon also install Windows 7. I'd like to know if there is a way to convert my Kali Linux OS (with all ...
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25 views

Alocating Higher CPU and RAM to Virtual box

I am using Virtual Box. I have a real computer that has 4 cores and 4Gb RAM. Within it, I am trying to create a virtual computer with a specification, which is as similar as possible with the real ...
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1answer
39 views

Running multiple VMs in one harddrive

I have Windows 2012 running on Intel i7 4770K, SSD 180 GB and 32GB RAM. Also that machine has 1TB HDD. Windows is installed on SSD. Currently 3 VMs on HyperV running and I need another VM. Can I ...
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1answer
81 views

Moving ESXi VMs on new hard drive

I am currently running an ESXi server off a single, small hard drive for testing purposes, but I am now planning on buying a couple of new hard drives to set up RAID. Since these will be new drives, I ...
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28 views

VMWare Fusion shared folder does not appear in VM

As per these instructions, I shared a host directory in my VM by going to Settings-->Sharing. My guest OS is Ubuntu 10.04.4, 64-bit and the host is MacOS. I restarted the VM but the shared folder ...
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29 views

Pano Logic virtualization with WINDOWS 7, VMWare VIEW doesn't start (worked with XP)

Our Pano Logic virtualization with Windows 7 (using VMWare View) doesn't start. The Pano system can't seem to make a connection. However, it worked with Windows XP before. Domain: check DHCP: check ...
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15 views

Lunching VM Fusion instance from command line and obtaining its IP address

I would like to use the VM Fusion (v5) client app as little as possible, especially its terminal window, which is awful. Assuming that my image is ready and configured, can you explain how to do the ...
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1answer
47 views

Start the script with sudo

I am trying to start the virtual machine(ORACLE VIRTUALBOX) using this script(script name:start_vm001.sh). START_VM=`/usr/bin/VBoxHeadless --startvm testvm001` EXECUTE_VM=`exec ...
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1answer
20 views

Gentoo virtualbox X support

So i wanted to play around in gentoo to level up my linux knowledge. I've installed it on virtualbox, but i didn't add a few USE flags, and during core compilation i didn't select a few necessary ...
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1answer
29 views

virtualbox on windows: how to make virtualbox and vm separate taskbar icons

The virtualbox is one icon at the task bar, when I click it, it becomes 2, one is virtualbox application and the other is the vm. Somehow this is annoying to me, is there a way to make them separate ...
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1answer
46 views

How can I run Windows 1.0 on a Windows 8 PC?

I'm certain this will require a Virtual machine, but I am not sure how to implement it or even if it is free to do. I am currently running Windows 8.1 on an x64 based system
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2answers
943 views

Virtualbox Ubuntu Guest Internet Connection - Any Ideas

My issue is basically that I cannot access the internet from an Ubuntu VM. I'm trying to figure out how to do so, and would very much appreciate help in doing so. I realize that there are quite a few ...
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2answers
40 views

Centos connect to virtualbox network

I have created a virtual network by using virtualbox and I would like to know how can I make Centos connect to it and have its own IP for example 192.168.1.102 because I have a windows 7 virtualbox ...
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45 views

VirtualBox mounted with Vagrant reach maximum diskspace

Today my Windows build machine reached its disk space limit. It turned out that I had more than 400GB in the folder C:\Windows\System32\config\systemprofile\VirtualBox VMs During the build process, ...
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10 views

How to configure ethernet ip on a windows virtual machine

I'm using a Mac, and a Parallels Virtual Machine to run Windows. When I turn wi-fi off, i stick to ethernet on a particular IP address, however my virtual machine can't see it. It can send messages ...
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3answers
1k views

How to authenticate to a VM using Vagrant up?

Authentication failure during Vagrant Up, while vagrant ssh and ssh vagrant@localhost -p2222 works I would like to execute a shell script using Vagrant at boot. Vagrant is unable to Authenticate, ...
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1answer
68 views

How can I import an existing .vbox virtual machine in VirtualBox?

How can I import an existing .vbox virtual machine in VirtualBox? The instructions say I can only do this if I have an .ova or .ovf file, but I don't understand this as VirtualBox machines are .vbox ...
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13 views

Increasing image size inside of WINE

I have an application designed for Windows XP, that needs to be ported to a Mac running 10.9.2. I found WineBottler and have created a package for the app, which works perfectly with the exception of ...
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2answers
283 views

VM refuses key on Windows

My Vagrant VM is up and running, but if i check netstat, it is just ESTABLISHED but not LISTENING. TCP 192.168.56.1:139 0.0.0.0:0 LISTENING TCP 192.168.56.1:50973 ...
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124 views

Hyper-V RemoteFX enabled Windows 8 VM RDP connection Issue

I have this errors after did the below steps: Installed Windows 2012 DataCenter and enabled Hyper-V role Enabled Remote Desktop Services Role and "Remote Desktop Virtualization Host Agent" service ...
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1answer
86 views

Virtual Machine in Windows causes mouse pointer artifacts

I feel like I've seen this problem with multiple virtual machines with Win8 and Win7 on multiple physical machines using VMWare and Visual Studio Tablet Simulator. Once you start using a virtual ...
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27 views

dhcp no lease because of not-DAD mode

My virtual machine does not receive an IP lease anymore. Manually requesting a new ip lease by 'ifdown/ifup eth0' or 'dhclient eth0' or 'service network restart' don't work either. The error is ...
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24 views

Snapshotting virtual disks mounted in Windows without using vritualization?

I know that you can mount VHDs in Windows, but you can't create snapshots on the go, like in virtual machines. You have to unmount it first, create a differential VHD using Diskpart and mount it ...
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1answer
76 views

Can virtual storage shorten the life of SSD?

AFAIK SSD's controllers are distributing writes over free space on the disk, trying to equalize usage of memory cells. Now let's image that I have 40GB of free space on SSD, and running VirtualBox ...
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22 views

Bridge Wireless Adapter on VM

I'm using Mavericks and using Parallel Desktop for Windows 7. I set up wireless network as Bridged Wi-Fi, but Windows 7 looks like still connecting to internet via ethernet. I can't see wireless ...
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62 views

What's the diffrence between snapshot-create and snapshot-create-as in virsh kvm?

On my virtualization system there are some VMs. One of them was aimed for testing some services on it. So in this case I need to have the first state of that VM. I searched for a solution found the ...
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1answer
33 views

Increase dynamic VDI disk size

I'm running Linux (OpenSuse) host (Oracle VirtualBox) with Win 7 guest. I configured the VM with a VDI format disk that grows dynamically as required. Windows currently has 3.5 Gb free but I need to ...
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1answer
55 views

virtual machine replication between two separated Hyper-v clusters

I have two identical hyper-v cluster configurations. Here is the configuration: 2 hyper-v servers in cluster with shared via fiber channel storage. There is a 10 Gbit ethernet between these ...
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1answer
35 views

Installing Sql Server 2012 on Vmware Virtual Server 2008 R2

I have a Virtual Windows Server 2008 R2 set up, I downloaded Sql Server 2012 Evaluation Copy. Now when I try to Install the Sql Server it throws an error, No Error message nothing at all just an error ...
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74 views

Bridging my VM with an OpenVPN adapter

Beginner user here,I start to slowly learn about networks, virtual machines and so. Here is my set up. I have a host system, running Windows 8.1. On my host system is installed OpenVPN, with a ...
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2answers
118 views

Can I virtualize a physical hard drive directly on ESXi?

I want to virtualize one of my existing operating systems (Ubuntu Server 12.04) to use the VM in my new ESXi setup. I know that I can use the vmware converter standalone client on my Windows laptop to ...
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2answers
131 views

Is it possible to get a Virtualbox VM always start from same time, if so how?

I am trying to use VB to set up a Windows 7 VM for use in a training course. I want the virtual machine always to start up from the same conditions, in particular: The VM always starts at the same ...
2
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2answers
38 views

“Install” virtual machine guest os on host os [duplicate]

I have a host OS running Windows 7 and guest OS running Ubuntu on Virtualbox. What if I want to "install" my image of Ubuntu virtual machine as ordinary Ubuntu installation. Is it possible and how?
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53 views

How to best configure virtual machine network

Background: I have the following setup: Mac (OSX 10.8.5); Bootcamp partition; Virtual Machine, VM, (using Parallels Desktop) that runs from the physical Bootcamp drive; I have some Cross-platform ...
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1answer
124 views

Virtual RedHat Can't Connect to the Internet

I've installed RedHat 9(linux v2.4.20) with Vmware Fusion. The installation was successful although I can't seem to be able to connect to the internet under RedHat even though my Mac is able to ...
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43 views

Add more than 10 vmnet in “vmware server” 2 [closed]

I need to create an esxi 5.5 nested environment on win 2k8 and i would want to do it on vmware server instead of workstation. vmServer has "only" 10 vmnet adapters, but i've 15 nic on my physical ...