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

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Disabling annoying VMware Player tool tip “To release input, press Ctrl+Alt”

[Same as Hide annoying VMware hint "To release input, press Ctrl+Alt" but for VMware Player, because that answer was for VMware Workstation] When starting the VMWare Player, at the top it ...
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1answer
57 views

All VMware (Player) Machines are “corrupt”

I have been using VMware to run a virtual machine for testing my apps, but suddenly, when I start up my VM Instance, it runs for a short while, then starts showing: The operation on file ...
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12 views

Restoring VMware Fusion virtual machine from Time Machine Mac OSX

I was having problems with my keyboard and the genius bar people at the Apple store told me to make a backup of my computer and re-install the operating system. I did so and the computer is running ...
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1answer
31 views

Permission problems with a mounted NTFS VM volume

I’m trying to migrate a VMPlayer system to VirtualBox, but the migration isn’t working (I’ve already spent hours trying the small handful of solutions people have suggest and eventually given up). As ...
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2answers
41 views

How do I encrypt a VirtualBox VM? [duplicate]

I am running a server on a linux box and want to run some things for my other home computers in a virtual machine. I would like to encrypt the VM and shut it down when nobody is home, but keep the ...
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24 views

How to communicate with a Virtual Machine in Java? [migrated]

I made a little Java program to check if a pin code is correct or not. As you can see in the code, the program asks someone to enter his pin code, then it checks in a bdd.txt file (playing the ...
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14 views

VirtualBox host key stops working

I'm running an Ubuntu virtual machine on a Ubuntu host on my laptop. A majority of the time when I switch from my host to my virtual machine (full screen) the host key stops working. Now that I'm in ...
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20 views

Can you make a windows login end up directly in a virtual machine?

Is it possible to configure Windows 8 + VirtualBox so that a login to a specific account directly brings me into the virtual machine? The idea here is a guest account that does not only have fewer ...
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29 views

Shrinking NTFS drives (in virtual machines)

Sometimes it’s useful to shrink the drive image of a VM to reduce wasted space on the host. We do this by defragmenting and compacting the contents of the virtual drive, wiping the free space, then ...
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1answer
27 views

creating a network between localhost and virtual machine

Ok I have this machine of mine in a network (in an external domain) and I would like to create in it a virtual machine, which should be able to connect and communnicate with the host (main machine) ...
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1answer
18 views

virtualbox changes get lost

How do I copy virtualbox machine to another host (with somewhat different hardware configuration, at least with different CPU) without losing changes made? Both hosts are running Windows 7/64 bit ...
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1answer
56 views

VMware VM with CentOS latest too slow while try to access PHP sites through browser

I have a instance of VMware Workstation 10.0.1 running in my PC. My PC has this configuration: Proccessor: Core i5 3120M Memory: 3992 MB OS: Windows 7 Ultimate, 64-bit 6.1.7601, Service Pack 1 The ...
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1answer
22 views

Can't create symlink on Windows VM's mapped network drive

I have a Server 2008 VM (Parallels 9), and I share a folder from OSX via a mapped network drive "T:". I am trying to make a symlink from one folder on T: to another folder on the same drive, like so: ...
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2answers
88 views

Encrypting a VM and folder

Problem: I have a VM that I want to use to store extremely sensitive data. What I would like to have: Full VM encryption, as well as encrypting a specific folder on the VM so that it can only be ...
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26 views

Is it possible to convert an external hard drive into a virtual disk and if so how?

I have an old laptop hard drive that I installed into a USB hard drive case. I can't set the BIOS of my desktop to boot from a USB device (USB hard drive cases aren't recognized as boot devices, from ...
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26 views

ESXI 5.5 isolation issue

I know this was posted a few times, but non of the answers worked for me... I have 2 ESXI hosts with Vsphere Essentials Plus I did this test with Host0 - for now... my /etc/vmware/config file : ...
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9 views

Can I use the same VHD file to switch back and forth between boot to VHD and a Hyper-V virtual machine?

I'd like to physically install Windows 8.1 Pro and convert my existing physical Windows 7 machine to a VHD as I'd like the convenience of using a Hyper-V virtual machine to access it without having to ...
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1answer
18 views

Virtual machine internal network - same host

If I have 2 VMs (web server + db server) on same physical host, how can they communicate? Being on the same host what speed can expect? Its CentOS KVM. What is the situation with SmartOS Zones where ...
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1answer
11 views

Virtualbox VM changes ethX ip after some time

Today I needed to test some things on a local webserver, and since I already have apache installed by default on a linux VM (backtrack 5) I decided to do it there instead of installing WAMP on my W7 ...
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32 views

2 Virtual Machine on 1 core

I have a few computer installed with Hyper-V... I running some automatized programs on it... if I using 1 VM/core works like charm... and i can see its not using the 100% of the core... so i thought I ...
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1answer
25 views

Virtual Box: always receive keyboard input from host

I am using Oracle VM VirtualBox on Windows 7 to run Ubuntu. I would like to have the VM receive input from windows without pressing the host key (R-Ctrl). When I switch to the VM window from windows, ...
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1answer
53 views

How to virtualize my physical home file server?

I have a home file server, currently has around 5TB of data, nothing fancy just old hardware (low budget) having a pentium dual core with 8GB ram. It runs snapraid so I can use dissimilar hard drives ...
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1answer
26 views

SATA/USB hard disks in Virtual Machine

I want to show my external USB hard disk as a SATA hard disk in a virtual machine but neither VirtualBox nor VMware give me that option. They only allow .vhd, .hhd, parallels hard disk, etc. ...
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19 views

Mount the Dell factory image partition inside a vm

I have a Dell xps 17 with a recovery section with the Dell factory image partition which contains the windows install is about 18 gb. I want to mount this as a disk image inside a Vm runninf inisde ...
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20 views

How do I get audio from a ESXI 5.0/5.1 Windows 7 VM?

I want to run a LARGE Windows 7/XP VM. Like 50+ Gigabytes of ram and 4 cores. I need to be able to console in to this VM, but for alert purposes I need the VM to pass audio either back out to me via ...
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44 views

Hyper-V running within VMPlayer 6

I am trying to develop a windows phone app within VMware player. I cannot for the life of me get Hyper-V to work within the VM. I have scoured the internet and done the following 1) Enabled ...
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2answers
44 views

VirtualBox multiple VMs bridged to one NIC

I want to run some VMs on my computer, and let those behave like physical computers to the network. I want my normal DHCP to give them IPs, and I want to be able to access them as if they were ...
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1answer
22 views

How to properly restore VBox VMs from backup?

I just flattened and rebuild my home system recently, which had several VirtualBox VMs with snapshots. I backed-up all the VMs, VDIs and snapshots by copying the entire folder to an external drive. ...
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1answer
21 views

No network in my imported vm in ESXi 5 which is deployed in Workstation

I have imported my VM to ESXi and when run the VM, I realized that the VM has no network connection. It says that 2 connections are cable unplugged. Then I see my VM settings, here what I got: See ...
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1answer
55 views

Bridging vlans across en0 on OSX 10.9

I'm setting up to run virtual machines to as sample clients with different usage profiles. To do this, the VMs need to run on different vlans to each other, and to the main machine. The switch is ...
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3answers
455 views

Is it recommended to run a firewall/router on a virtual machine?

Googling found me people saying running a firewall/router as a virtual machine is "dangerous" but none of them gives any reason as to why it is so. I also found posts from people who are successfully ...
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1answer
44 views

VirtualBox in Win7: cannot acces external drive from guest Windows7

I have started using VirtualBox in Windows 7 out of curiosity and for testing purposes. (Mainly, I want to test Linux distros and to try and see how Windows works in this environment - so that I might ...
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106 views

How to run OS X 10.7 on Windows 7 without virtualization technology?

How can I run OS X 10.7 Lion on Windows 7 laptop that doesn't support VT-x? When I try it with VMWare, I get the following error: Mac OS X is not supported with binary translation. To run Mac OS ...
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1answer
43 views

How do I convert my windows partition to a kvm virtual machine on Fedora?

I have a single hard drive with a windows partition and a fedora 19 partition. Is it possible to use a tool (e.g. virt-p2v) to convert the windows installation into a virtual machine on Fedora? Disk ...
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5 views

Is it possible to a Xen guest to automatically grow or shrink (ballooning) its own assigned memory?

I know it is possible to change the amount of memory allocated to a Xen PVM guest on-the-fly, but this must be done outside the guest, at dom0. Is it possible to configure the PVM guest to ...
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12 views

Create a system image from a vm image [duplicate]

Let me just preface this with saying that I am not experienced with using system images... I have a Win 8.1 installation image and I set it up in a VM where I want to try it out, maybe change some ...
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26 views

Sound for Linux VM on Windows host

Like said in, http://www.reactos.org/forum/viewtopic.php?p=96570, "I haven't been able to get sound working in VirtualBox for ages", for my Linux VM on Windows host, either Windows 7 or Windows 8. ...
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21 views

Modify VM system configuration without turning it on. Will it be OK?

I am using Virtual Box. I make a Virtual machine with this specification: Base memory : 1024 MB Processor : 2 CPU OS : Ubuntu Everything is working well. Later on, I ...
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29 views

hyper-v manager. connect to server: you don't have the required permission

On my Hyper-V host I created a Hyper-V Server 2012 Core VM. I configured it with sconfig. Added local administrator user that is the same as my host's. Added credentials for the IP of that VM in the ...
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2answers
33 views

Virtual desktop solution for home

I have a Linux server at home and would like to set up a Windows virtual machine on it that my girlfriend would access using her old laptop as a "thin" client. Her laptop is really old and my server ...
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7 views

How to share a directory on the VM as a disk with my host with virtual machine manager

I've been using ssfsh on my host box to connect to a local vm running in linux virtual machine manager. However I have found it to be really slow and am exploring using NFS. However this seems like ...
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23 views

Public access issue for ESXi guest host

I have a ESXi server with two NICs. Recently, I configured reverse proxy based on Apache, and in order to test it, I started using both NICs for public and private connections. I created a public VM ...
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1answer
182 views

VMWare Workstation high CPU - vmware-vmx.exe to virtual machine mapping

I am running several virtual machines (around 7 or so) inside VMWare Workstation on a Windows host. In the Windows Task Manager, I see there is a vmware-vmx.exe process created for every virtual ...
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32 views

Can't mount share in VirtualBox guest

I'm attempting to mount a share in a guest OS in VirtualBox: $ mount -t vboxsf share /mnt/share /sbin/mount.vboxsf: mounting failed with the error: No such device If I click the folder icon in the ...
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18 views

Why is my cloned kvm VM smaller than my original vm?

The order of each VMs life was: f20-openstack.img f20-openstack-clone.img f20-openstack-preinst.img f20-openstack-postinst.img -rw-r--r--. 1 root root 878M Mar 5 13:45 ...
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7 views

Booting Mac OSX HSF+ partition under virtual machine on Windows 7

I just retired a MacBook running OSX Mavericks. I have the SATA HDD, with a USB adapter. Is there any way I can boot this partition under a virtual machine on Windows 7?
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99 views

NAT Port Forwarding in VirtualBox

I have enabled two adapters in my VirtualBox (running Ubuntu 12.10 Server Edition), with types as: Host-only and NAT. My main motive is to be able to connect two VMs running on two different hosts ...
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1answer
20 views

Which VMWare client for hosting Ubuntu in Windows?

I have not booted up a virtual machine in aeons. I am currently downloading the ruby on rails ubuntu stack from Bitnami. I went over to VMWare and was overwhelmed by the amount of software titles ...
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39 views

Mounting VMDK disk inside of shared directory from VM

I have Ubuntu 12.04 virtual machine in VMWare and a shared directory. Also I have a VMDK disk inside of this shared directory. What I do: Mount VMDK disk inside of Ubuntu from shared directory. ...
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43 views

Vmware Workstation messed up USB 3.0

I installed VMware workstation 9 on my Windows 7 Home premium machine. For making USB ports work in guest OS (Ubuntu), I installed VMware tools. Since then my USB 3.0 stopped working in both host ...