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

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Export CentOS virtual image to allow for installation on a physical machine

I've been setting up a test (web development) environment on VirtualBox, which runs CentOS. I had to install httpd, php, mysql etc. and now I want to export (clone?) my virtual installation (including ...
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3k views

VM running CentOS, can ping but can't access web server

I've been trying to set up a CentOS server for the first time (ever setting up a Linux server). The installation went fine, I installed LAMPP (and the required dependencies for x86), used the lampp ...
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21 views

Virtual Network Adapters

I am new in networking and virtualization. I really need assistance on this problem. I have a scenario: there are 4 virtual machines that created through VirtualBox on WIN7 Host. 2 of them are ...
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42 views

Virtual Network Adapter

I am new in networking and virtualization. I really need assistance on this problem. I have a scenario: there are 4 virtual machines that created through VirtualBox on WIN7. 2 of them are centos, 1 ...
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85 views

Why does my virtual image use more than 3x as much space as the combined file system?

I'm trying to mess around with bitcoind (just the daemon) in a Virtualbox Ubuntu installation. So after installing bitcoind in the virtual installation it downloads the blockchain which is about 5 ...
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1answer
33 views

Best way to route internet through remote comptuer

Alright, I'm not from the US and I pay for a VM running Windows Server 2012 in the USA. I have full access to that VM and I can install whatever I want on it. I want to be able to re-route my ...
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1answer
65 views

Can I clone an existing OS X install into a virtual machine on a Windows 7 PC?

So I have a Macbook Pro running OS X Mavericks. I just built a Windows 7 PC. Is there anyway I can effectively 'clone' my OS X machine and put it into a VM that I can run on my Windows 7 PC? That ...
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79 views

What are the benefits of virtual machines? [duplicate]

Following the idea at What are the benefits of using a proxy? I've used VMs personally, but can't seem to understand why it exists for any real world need. So I ask: why are virtual machines needed? ...
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581 views

Wireless bridge on KVM virtual machine

I have a VM host (KVM) that's connected to a wireless router. I'd like the virtual guests to be in the same broadcast domain as the host; i.e, receive their IP from the router's DHCP. (=Layer 2 ...
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1answer
43 views

SSH connection between 2 Ubuntu VMs with ObenNebula

I need to connect to Ubuntu 12.04 VMs via SSH, but it doesn't seem to work. I've gone through all the steps that seem to be OK for setting it up. First, I installed one Ubuntu VM, updated its ...
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31 views

Create Network with host and Virtual Machine

I have PC with Ubuntu without any LAN connectivity.Everytime i manually up the eth0 by running ifup eth0 and i already the set the Ubuntu ip as 192.168.1.10. And i have Cent OS on Vitualbox. In ...
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42 views

VMware - client isolation

How do I create VMs using VMWare Workstation that are connected to the internet but isolated from each other? These are the characteristics of these VMs: From the internet, the VMs appear to be ...
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67 views

Can I use the WiFi drivers on Ubuntu on a VM?

I have an Windows 8.1 computer that I am getting the "Limited connection" error on WiFi networks, even when I have two, three, or even four bars. After talking to support for a bit, they told me that ...
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1answer
37 views

How to make the networking between the host and the target?

I installed QNX IDE, Libraries and developemnt tool on Host system and QNX real time operating system is installed as a Target system : the target system runs the QNX Neutrino RTOS itself plus all the ...
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2answers
156 views

How to transfer files from a host machine to a shared virtual machine in vmware workstation quickly?

This is what it looked like when you could set a shared folder with a unshared virtual machine - And now with the VM as a shared virtual machine the shared folders option is gone along with a whole ...
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38 views

Error while trying to connect to VM using ssh

I had a VM running Ubuntu 12.04 but had to reinstall it (long story). I was able to ssh from my host computer (Windows 8) via cygwin by means of a host-only adapter. Now that I have created a new VM I ...
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185 views

Extreme mouse lag in Starcraft I using VirtualBox Mac Host, Windows 7 Guest

I've installed virtual box on my new MacBook Pro and I'm hosting a Windows 7 instance. Everything works very smoothly. However, I've installed the original Starcraft (yes, 1995! It's 20 years old!) ...
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3answers
463 views

How do I isolate a Windows Virtual Machine in Virtualbox running in Ubuntu

I have searched and searched but not found a way to do this. The answers I found said to get a second nic and dedicate that to the windows guest. My host is linux mint 16. I see how to specify a ...
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74 views

Rsync between two VM stalls after few files

I have two VM (let's say VM A and B) on the same host. I try to rsync between those VM, from VM B (with a rsync daemon running on A): B$ rsync -rvut user@A::src dest/ It works well during few ...
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46 views

Can you explain me VMWare Performance Counters in Windows?

I am having a guest Windows Server 2008 R2, i.e. VMWare virtual machine Can you explain me VM counters vs. non-VM-ones, in the case of "% Processor Time" (under "VM Processor" section) vs. "% ...
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1answer
66 views

Enable Mouse Integration between Real OS and Virtual OS without coding

I have a virtual machine that had been build in Vbox. My Laptop OS is Windows and I build vm with Ubuntu OS in Vbox 4.3.4. One day, I update my vbox to 4.3.6 version. After that, I don't know why, I ...
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3k views

Can't Drag'n'Drop files in VirtualBox from guest

I cannot drag & drop files from my guest system to my host one. My host is Windows 7. The guest is Ubuntu 12.04.3. I can drag & drop files from host to guest but not other way around. My ...
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244 views

Error when booting up a Windows 95 virtual machine in Windows Virtual PC

I tried to install Windows 95 on a Windows Virtual PC virtual machine, but when I am trying to run it post installation, I got an error during boot: When initializing device IOS: Windows protection ...
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1answer
801 views

Is there a way to install Mac OS on an Azure Virtual machine - or any cloud VM for that matter? [closed]

I want to create a virtual development machine on the could for iOS development. I understand it is against Mac OS License agreement to install it on non-Apple hardware. But is there a LEGAL solution ...
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47 views

No internet on virtual machine

So I have 3 virtual machines and I copied 1 from a friend of mine. His Virtual Machine does have internet and the other 2 virtual machines I got, also have internet. Now what am I doing wrong at the ...
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25 views

VM Join Domain and Connect to Internet

I'm not really strong in networking and virtualization but I need to solve this case. I have 4 servers in my VM with 1 of it as Domain Controller and 1 of it need to be connected to internet. I ...
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1answer
40 views

Dualboot OSX, second partition also as VM

Does anyone have experience with this: I set up my MacPro with a triple boot system (Snow Leopard, Mavericks, Windows). It is a bit of a hassle to boot switch between the two OSX's and running ...
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30 views

One VM across multiple partitions

I have a 1TB hard drive which has 3 partitions on it. D: is 250 GB, X: is 300.63 GB and then there was an extra 380.88 GB unused (each is NTFS being used by a Windows 8 OS). X: has a 250 GB VirtualBox ...
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42 views

prevent touchpad click while typing in a VM

I use a Fedora 19 VM (VMware Workstation 9) on top of a Windows 7 laptop (Dell Latitude E6530) on a regular basis. In Windows and native Linux, I can configure the touchpad to not accept clicks while ...
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13 views

How to change the keyboard settings in Virtual machine(Linux)?

I am using Labcar VMware player and installed linux operating system in it. My keypad of my laptop is not working as before in my virtual environment. Could anyone help me to fix this ??
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78 views

Pages on server can be accessed but server cant connect to internet?

I have a virtualbox server running ubuntu 12.04 on a windows 7 host machine. The machine is set up to have both a NAT and a bridged adapter. When I access the server from other machines (port ...
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103 views

Using a VirtualBox guest as a filestore for a physical network

I've got a CentOS host with a CentOS guest (both 6.5). On my guest I've installed and setup Samba, and given it a fixed ip of 192.168.1.2 (my host is 192.168.1.1 / my router is 192.168.1.254). From ...
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110 views

lxc container : password and username

I am trying to run wine in a 64b OS ( LUNA ) so i did follow this guide ! to set up wine , and i did chose to follow the first option : lxc container Problem arise when i have to run the container: ...
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139 views

Hyper-v assign host and virtual machines the same subnet and gateway

I have a hyper-v Host with ip address 178.157.51.26/29 and I have four virtual machines with these ip addresses: 178.157.51.27/29 178.157.51.28/29 178.157.51.29/29 178.157.51.30/29 the default ...
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92 views

Block access to Host PC and rest of LAN on a VirtualBox Guest VM

I have a computer on my network that serves as a Host PC for a VirtualBox Guest VM. Both the Host PC and Guest VM run Windows 7. I would like to block the Guest VM from accessing the Host PC as well ...
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2answers
766 views

How to correctly sync time in linux running as virtual guest after host resumes from hibernation?

I use multiple virtual boxes for development and correct time and date is important for me when I push git commits. I do not shut down my host - it runs for months without restarting. I only hibernate ...
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181 views

Windows server 2012 in vmware not in full screen mode

I've just installed trial version of Windows Server 2012 DataCenter edition inside VMWare Workstation 10.0. So far, I did not have any problems with putting virtual computers into full screen mode, so ...
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228 views

Is it possible to direct mount an EXT4 disk with data on it to a XenServer guest vm?

I have a few ext4 disks (3GB each) with data on them (almost full). And I would like to mount them on a Xenserver, and have them mounted directly to an Ubuntu guest vm. Is this possible? (and easy. ...
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1answer
144 views

Can not connect to home group vmware virtual computer

I am using Windows 7, 32x inside VMWare 10.0 virtual machine. I want to connect to homegroup and type homegroup's password - after that, I receive some error about networking, but nothing specific -> ...
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147 views

Network adapter connected by NAT has same address as host

I have created a virtual machine with 2 network adapters, one connected to the host using NAT and the second connected through a host-only adapter. This set-up works for what I want to do, Give the ...
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2answers
368 views

How does one measure resource contention between Virtualized Systems/VMs on the same Host?

On numerous occasions I have faced the question whether the virtual machine I am on is being affected by other VMs running on the same VM host. I understand that even in a perfect scenario where ...
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1answer
27 views

Mac virtualize Windows

I want to develop graphics application with latest OpenGL support. Sadly, my iMac with Mac installed only supports OpenGL 4.1, with Windows in Bootcamp I go up to the latest 4.4 version. However, I ...
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1answer
934 views

How to assign a static IP address to my VMWare machine?

I currently have two VMWare Fusion VMs setup on my development machine. The first one (Windows Server 2003) has a static IP address, and I am using my hosts file to direct certain URLs to it. I would ...
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1answer
359 views

How to use multiple desktops within a Hyper-V hosted VM

So, for work, I am using a system hosted within Hyper-V Server 2012 R2. I use this VM for work purposes only. The issue I am having is not being able to use more than one monitor while connected to ...
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60 views

How to access an ASP.NET app though a Virtual machine

I'm developing a web app with Visual Studio 2013. I'm using a Macbook pro and decided to install a copy of Windows 8 on a virtual machine using VMWare Fusion. I have a static IP Address and I'm ...
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408 views

How to install Remote Desktop Virtualization Host role service in Hyper-V 2012 R2

I am using the free Hyper-V 2012 R2. I am trying to add RemoteFX 3D Video Adapter to one of my VMs. I have installed a dedicated GPU for this. However when I go to "add hardware" I get the error: ...
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2k views

Directly accessing Hyper-V console via RDP

I am wondering if there is a chance to directly connect to a VMs console via RDP. It seems the hyper-v manager is basicaly doing the same when connecting to a VMs console.
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58 views

From within virtual machine - how to know VMWare/VirtualBox/Hyper-V/etc is used to host it?

From within a virtual machine, what information about host system can be obtained? E.g. I basically can cat /proc/cpuinfo and know something about host's CPU. What ways do I have to get info on what ...
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78 views

VirtualBox sometimes changes machine autoresize settings

Ok, so here's the problem - When I install VirtualBox (Host os: Mac os X 10.8.4) drivers on guest OS, be it Windows or Linux, Virtualbox allows to automatically resize guest os's resolution to fit ...
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16 views

VMware as a server cluster file sharing issues

I have a mac mini at home that I use to run multiple servers on using VMWare. Each of these servers have different tasks. But one is giving me the hardest time. Im using the folder sharing feature ...