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

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Games crashes when ART is enabled? [migrated]

i read about ART on some blogs and decided to try my self. I have a Motorola Moot G and enabled ART on my phone. After that every game which i had already (Asphalt 8 and EA's Real Racing) or installed ...
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1answer
32 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 ...
1
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0answers
10 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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0answers
17 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
51 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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11 views

Custom Domain name for Azure virtual machine using azure websites [on hold]

Hie, I am using a cloud service (e.g cloud1) and it has a hosted VM in it (Windows server 2012). It is having a URL cloud1.cloudapp.net. So I want to use the domain name (e.g ...
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0answers
15 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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0answers
21 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 search for solution too much and ...
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1answer
8 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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0answers
6 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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0answers
17 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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0answers
13 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
28 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 ...
1
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1answer
28 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
24 views

“Install” virtual machine guest os on host os

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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1answer
60 views

Which is the most CPU-efficient virtualization solution on Linux? [closed]

I am interested in the following problem: When running CPU-intensive tasks inside a virtual machine, there is a certain CPU overhead, i.e. the same task takes a slightly longer time to run inside a ...
0
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0answers
15 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
15 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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13 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 ...
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1answer
20 views

Create an ISO image from a virtual device image

Oracle VM -> ISO I am using Oracles VM VirtualBox to good effect and have created several ubuntu machines created from an ISO image. My question is that I now want to go from a VM machine to a real ...
0
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2answers
43 views

Mac spoofing for virtual machine to trick my university's IT system

I need help in setting up Oracle's VirtualBox port forwarding and/or mac spoofing. I feel it's important to add that my knowledge is very limited in this field and that my question could even be ...
0
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1answer
15 views

Unable to get folder sharing to work under KVM Virtual Machine Manager

I've created an Ubuntu VM inside my Ubuntu using Virtual Machine Manager. I'm trying to mount a host directory in guest OS but it's not working. I used the instructions provided here: ...
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0answers
8 views

How to connect to VMs after the VMware Workstation UI got restarted by Windows?

Every now and then, this happens (part to blame Windows, part to blame VMware): the VMware Workstation 10 UI becomes slow you are busy with something else typing in a document Windows pops-up a ...
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0answers
7 views

Windows 7 VM not showing all cores on VMPlayer

I moved a physical Win7 Pro from a Pentium 4 (Hyper-threading) to VM Player running on a Core i7 (8 Logical cores). The problem is that even if I configure VM Player to use 4 cores, I still see only ...
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2answers
28 views

Apache runs locally but can't be accessed from other machine

I'm running Apache 2.2.3 in a VM for a test environment on CentOS 5. Apache is running and responding to requests on the VM itself. If I run "lynx localhost" on the VM I do get my test page. When I ...
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2answers
43 views

What will give the most increase in Virtual Machine performance?

Our IT staff has been given the task of improving the performance of all of the VM's used at our company. This includes those remoting into a hyper-v server and those using their own VM's on their own ...
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1answer
18 views

Use VMWare Workstation with different Internet Connection?

I have 2 different ISPs installed at my home with two different modems/routers and I'm trying to figure out a way I can use them separately on the same PC. Right now to try and accomplish this, I ...
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0answers
20 views

Making qemu look better

I have a machine running kubuntu, and use qemu to run a VM. It looks really bad as you can see in the screenshot. What can I do to make it better? I prefer solutions that don't require sudo access, ...
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1answer
27 views

Nested Virtualization

What I do: I want to write a kernel module that does stuff to the KVM data structures. But I don't want to run it on the real machine, so I run one guest, inside it I run another two guests, and want ...
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1answer
13 views

Installing Another Virtual machine on a virtual machine using oracle linux 5.8

I am implementing Oracle RAC using 11.2. For shared disc option and low cost, we are planning to use Virtual Machines. I have installed one virtual machine (PARENT) Specifications: Oracle Linux 5.8 ...
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0answers
14 views

Running virtual machines on a virtual machine

I would like to have several virtual machines, to start and stop them at will. But the base machine is itself virtual. Is this doable? Which virtualisation software is capable of doing this?
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1answer
18 views

Resizing physical partition from Virtual Machine

I would like to use a GParted live CD to resize some partition on my laptop. Unfortunately I don't have an USB disk/CD to write the image on. Is there a way to boot gparted on a virtual machine and ...
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2answers
29 views

Using hard drive in virtualbox

I have a virtual-box virtual machine with Ubuntu OS. I have configured a vmdk virtual hard drive. I need to use a HD I added to my PC on my virtual machine. How can I mount this HD to my virtual ...
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32 views

Remote USB debug for Android

I intend to develop Android but my computer has limited capabilities (low on disk space and CPU resources), so I thought of the following: I use a virtual machine in the cloud (preferably Azure) ...
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0answers
14 views

VirtualBox Vista Guest can't see host network

I virtualized a Visa Ultimate machine and need to run it via Virtualbox on a Windows 7 host. Both are members of a domain administered by SBS 2011. For some reason the Vista VM would only see the ...
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1answer
20 views

In VMware does a shared folder between a guest and host OS take room on both file systems?

Let's say I have a host system with a 100GB of free space and a guest system with 60GB of free space. In the guest system if I were to download a 1GB file and put it in a shared folder, how would this ...
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1answer
29 views

How can i backup a ESXi VM to an attached USB storage

I have Esx installed on IBM 3450 server. I want to make backups of my VM on attached USB device in server. My network speed is very less so i can't backup and copy through network. Is it possible ...
0
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1answer
76 views

virtualbox: new host key combination not saved after change

I want to change my host key combination in the Virtualbox that is currently alt gr. To do so, I go to: file -> preferences -> Input -> Virtual Machine , then clicking on the field beside ...
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14 views

Accessing an unrecognized device in a VM from the host

I am running windows 8.1 and am using Oracle VM VirtualBox. My VM is running windows 7 because there is an even bigger issue with compatibility with fastboot and windows 8/8.1 . Anyways, my question ...
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15 views

Which port of esxi server i can use with veeam backup

I have esxi server on my server. I can connect to it via vsphere client suvvessfully. I have just installed veeam free backup and it tries to connect via same ip and port 443 But it says can't ...
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1answer
16 views

How can create virtual machine from ovf in ESXI via vsphere client

I had virtual machine exported in OVF format Then i went to vsphere client and click on Deploy OVF template. Then i choose the ovf from my local window machine and vmware starts uploading that to my ...
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15 views

A way to simulate slower pcs using my application [duplicate]

We are looking for a way to emulate a slow PC, using any virtualization technology. Our goal is to cap the network speed and simulate a CPU with fewer GHz.
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13 views

Is there a way to get host Hyper-V UUID from linux gest?

I have a CentOS 6.4 runing on Hyper-V VM. If I export the VM to other Hyper-V server, the UUID keeps the same. Is there a way to avoid this, or use other identifyer to know that the host hardware have ...
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0answers
11 views

Seeding RNG with clock in application running on virtual machines, reliability issues?

How reliable is using the current time to seed random number generators for applications to run inside a virtual machine. The application is not related to security, and the virtual machine settings ...
0
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2answers
22 views

Get a windows 8 host to access a website hosted in a windows server guest

I am running windows server 2012 as a guest(using Oracle Virtualbox) on a windows 8. I have a website hosted on the guest OS which i can access in a browser inside the guest. I would like to be ...
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8 views

Xenserver firewall consideration [migrated]

We are setting up Xenserver for a production environment with seperate VMs for a website, billing, control panel, mail. My question is, should we rely on each server's IPtables or is it necessary to ...
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11 views

How can i export virtual machine in virtualbox with snapshots

I have VM on virtualbox with 15 snaps shots saved. Now i can export to ova and ovf with export but that does not include all snapshots of parent VM. Is there any way so that i can put all snapshots ...
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13 views

Which Windows settings to apply inside a virtual machine?

I am looking for good settings to make within Windows when Windows is running as a virtual machine. My virtual machines are used in the following environment: used during Software development used ...
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3answers
40 views

Virtual Server or Not?

I have been in an argument with a very stubborn guy for a long time about whether his server is virtual or dedicated. He uses his Root server for gameservers, the servers have problems with lag. I ...
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42 views

SCCM 2012 R2 Task Sequence fails with error 0x80070032

I'm trying to capture an image for using in SCCM 2012 R2 to deploy computers in my organization. I have a build and capture task sequence set up and deployed it to my unknown computers. When I try ...