Virtualization is the process of using software to emulate an entire computer, in which "guest" operating systems can run.

learn more… | top users | synonyms (1)

1
vote
3answers
909 views

High Physical memory usage on windows 2008 after using virtual box

I have a 16 core machine having 8 GB of RAM running windows 2008 I installed a virtualbox on it and installed windows 2008 64bit os and allocated 4 GB RAM to it . A Mysql database was installed on the ...
1
vote
1answer
509 views

Can I tell if my VPS server (win 2008) is hosted on Hyper-V from within the image?

Is it possible, from within a windows 2008 virtual private server, to tell if the image is hosted in Hyper-V or some other virtualization technology? For example, are there any guest-os extensions ...
0
votes
0answers
172 views

Windows 7 image in VMware will allow network connection out but not HTTP

I am currently trying to create a set of images to deploy on my network, but I've run in to a snag. When I create my own Windows 7 image I can successfully use NAT for connecting to the network but ...
0
votes
3answers
181 views

Can I run XP as a virtual machine with this hardware spec?

I run Ubuntu Jaunty on a laptop with this spec: CPU (Intel Centrino Dual Core): Genuine Intel(R) CPU T2300 @ 1.66GHz Memory: 1GB Is it possible to run XP as a virtual machine and get decent ...
-1
votes
2answers
279 views

Para-virtualized Operating System under Xen

If I want to run a guest Operating System on Xen, then should it be a para-virtualized Operating System? How can I make an Operating System para-virtualized? Are there any tools?
28
votes
6answers
19k views

VirtualBox guest OS accessing local server on host OS

On my Ubuntu host I have my local webserver. I installed VirtualBox and Debian as a guest. I would like the Debian guest to be able to hit my webserver running on my Ubuntu host (for example, I just ...
22
votes
16answers
23k views

Vagrant ssh fails with VirtualBox

vagrant up fails when it gets to the ssh part: myterminal$ vagrant up [default] VM already created. Booting if its not already running... [default] Running any VM customizations... [default] Clearing ...
20
votes
2answers
14k views

What's the recommended way to move a VirtualBox VM to another computer?

I use VirtualBox 4.1.x on my Ubuntu machine and I've set up several virtual machines. Since there are several ways one can move a VM in VirtualBox to another computer, I was wondering which one is the ...
7
votes
3answers
2k views

Convert VirtualBox guest into main OS

Is it possible to somehow convert my guest OS to the Host OS? I have a PC and would like to physically install my current Ubuntu VM into my new notebook. Is it possible?
14
votes
2answers
6k views

Intel VT-x disappeared after upgrading to Windows 8

I've upgraded to Windows 8 some weeks ago (MSDNAA!) and today, while I was trying to run a VM, I've noticed that VT-x is disabled. Now, Hyper-V works without problems, as I've tried emulating Win7 ...
8
votes
2answers
3k views

How to copy VirtualBox VDI contents to a partition and dual boot the OS from it?

I'm a Linux user but I keep a compressed Windows XP ISO with me on a pen drive for the case I absolutely need Windows to do something. This works in VirtualBox most of the time. But now I want to ...
8
votes
3answers
11k views

VirtualBox - XP guest does not see multiple cores/multiple processors

Environment: Host OS: Win7 Pro 64bit Guest OS: WinXP 32bit VirtualBox version: 4.1.4r74291 Processor: Intel Core i7 2630QM with virtualization enabled The Problem: I need the guest system to use ...
13
votes
4answers
10k views

Is it possible to create Portable VM?

I want to know that is it possible to create a fully portable virtual machine using any of the VMWare like products? My objective is to create a virtual machine (XP as guest OS), install some app in ...
11
votes
2answers
1k views

Are there any benchmarks showing difference between hardware virtualisation enabled/disabled?

I have a 13" sub-laptop/large-netbook, it has an AMD Athlon Neo X2 L335, and I chose this one because it supports hardware virtualisation. In the end, I hardly do any virtualisation on it, however, ...
5
votes
3answers
3k 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 ...
2
votes
3answers
3k views

Is it possible to split VirtualBox Hard Drive to multiple volumes?

VirtualBox hard drive usually has one or a few files when you create a drive. I think it is good because you manage only a few files. However, I have out of space of my drive. Is it possible to span ...
4
votes
2answers
5k views

Virtualbox 4.2.10 Auto resize not working. Will auto-resize down but not up unless in full screen

Using Virtualbox 4.2.10 with Windows 7 as host and guest. If I press Ctrl+F, the OS goes full screen. If I check the resolution, it says 1680×1050 -- same size as my host OS that has many ...
3
votes
2answers
7k views

Access localhost on Mac OS X from Parallels machine

i need to test my web site, running on a local Mac, under several browsers in Windows. I use Windows XP, installed in Parallels Desktop. It would be great, when i will be able to access my ...
11
votes
4answers
13k views

Emulate fake monitor on Windows 7?

Is there a way to emulate a monitor on Windows 7? I have one physical monitor, and I want Windows to think I have two. I actually don't care whether the second monitor is visible anywhere, or if ...
10
votes
3answers
28k views

Any Way to run Mac OSX software under Windows?

I know that you cannot run MacOSX within a virtual machine, but I am curious if there is something similar to WINE that emulates MacOSX enough to allow running some MacOSX software under Windows. ...
8
votes
5answers
6k views

Cannot boot after vhd hard drive is resized in VirtualBox

In Windows 7, I set up another Windows 7 VM in VirtualBox. It worked great. Then, I needed to increase the vhd HD size. So, I used VBoxManage utility to do that with the following comment: VBoxManage ...
8
votes
4answers
3k views

why does Virtualbox use 15-20% CPU when VM is paused?

I run VirtualBox 3.1 on Ubuntu with a Win XP guest. I have noticed to my surprise that when I pause the VM (its screen grays out) VirtualBox continues using 15-20% of the host's CPU. Is this normal ...
7
votes
2answers
7k views

64-bit or 32-bit guest for a 64-bit host ? (VMware)

So, here is my all-timer question. Never seen a total answer to it, so please guys, help me out. I have an Intel Core i7 CPU with every hardware stuff enabled (except hyper-threading). My OS is a ...
6
votes
3answers
2k views

What is the world's smallest-footprint LAMP stack? [closed]

What is the world's absolute smallest known VMWare/VirtualBox image supporting basic Apache/PHP/MySQL functionality? Before or after compression.
4
votes
3answers
1k views

Minimal OS for running virtual machines

Is there a minimalistic operating system built purely for the purpose of running virtual machines (preferrably open source / otherwise free)? If not, let's say I decided to do something like Linux ...
4
votes
7answers
29k views

Windows 7 Virtual PC + Linux Ubuntu

I've installed Ubuntu inside a virtual machine running on Windows 7's Virtual PC. One thing I've noticed right away is that it has to capture the mouse and not all the hardware works as expected. I ...
3
votes
2answers
10k views

VT-x/AMD-V Work-Around For VirtualBox?

After converting a Parallels VM to VirtualBox, the converted VM still does not run. VirtualBox says: VT-x/AMD-V hardware acceleration has been enabled, but is not operational.... Please ensure ...
3
votes
3answers
16k views

Best way to virtualize physical Windows 7 installation in Linux?

Ever since I saw a friend running Windows 7 inside Mac OS X with VMware Fusion, I've been trying to do the same on my laptop, in order to avoid having to reboot every time I have to use a Windows ...
2
votes
1answer
5k views

How do I get a bridge network to work for VirtualBox with Linux guest on a Mac OS X host

Does anybody have the step by step configuration process that would allow VirtualBox running a Linux/Ubuntu guest on a Mac OS X host use the bridge type network using Ethernet and wireless? I have ...
10
votes
5answers
15k views

Are there any open source app virtualization solutions for Windows

I am looking for open source solutions that provide application virtualization for Windows! In other words an open source to ThinApp from VMWare. I have found several commercial options, but nothing ...
7
votes
4answers
2k views

Why is Hardware Assisted Virtualization disabled by default?

Why would vendors by default set hardware assisted virtualization off? I have a Lenovo Thinkpad X201 (64bit) but it seems this is the case with other vendors too. I want to run some virtual machines ...
6
votes
6answers
5k views

How do I find the IP address of a virtual machine using VMware Fusion?

Can I determine the IP of a virtual machine using VMware Fusion without actually entering the operating system running on the virtual machine? I'm looking for a menu option, command line, or otherwise ...
5
votes
2answers
1k views

Has anyone managed to virtualize Windows 7 on a physical disk?

I have Windows 7 installed on a partition and running fine, but I want to access the parition from my Ubuntu installation with VirtualBox. I have created the virtual disk file and everything, but ...
5
votes
3answers
6k views

VirtualBox NAT port forwarding on Ubuntu 64?

I have an Ubuntu 9.04 desktop 64-bit guest OS running on an Ubuntu 9.04 desktop 64-bit host OS (yes, the same OS). I'd like to run a web server on the guest and make it accessible through NAT on the ...
4
votes
1answer
4k views

VMWare VM's network card not working after VirtualBox installed

I use VMWare workstation and have had no problems with my virtual machines and bridging the network card. However, I installed Virtualbox to check it out and ever since I can't establish a network ...
4
votes
1answer
2k views

Performance impact of running Linux in a virtual machine in Windows?

I'd like to know what performance impact I could expect running Linux in a virtual machine in Windows. The job I need Linux for is heavy and almost non-stop code compilation with GCC. Dual-boot ...
3
votes
2answers
2k views

VirtualBox network configuration

I have a CentOS 6.1 virtual machine, virtualized with VirtualBox on Windows XP. This machine hosts my local development MySQL server. I'd like to find the correct network configuration, so that: my ...
3
votes
5answers
654 views

How does it hurt to use Linux (Ubuntu) as a guest OS for all my tasks?

I have a machine running Windows, where the disk has two partitions C (50 GB) and D (250GB). I do research in Information Retrieval and need to work with a large corpus (more than 50 GB) and in ...
3
votes
3answers
18k views

How to shrink Windows 7 XP Mode VHD files?

I'm trying to shrink a Windows 7 XP Mode VHD file with VhdResizer with little success. When I select my VHD file, it says "VhdExpand only supports fixed and dynamic VHD files". My XP Mode VHDs are ...
2
votes
1answer
3k views

How do I migrate my Windows desktop to a VirtualBox VM?

I have VirtualBox 4.3.6 and True Image 2014 Premium with Universal Restore. I've read a lot about different methods but I'm not sure where to start, or what will suit my needs. Directly from ...
2
votes
2answers
2k views

How to detect if VT-X has been turned on in the BIOS?

I know I can check is VT-X is supported by a processor by egrep '(vmx|svm)' /proc/cpuinfo. But even if it's supported, it can be turned off in the BIOS. How can I detect if it's turned on or off?
2
votes
3answers
392 views

Is it possible to remotely connect to computer without disrupting their session?

I am trying to figure out if it is possible to connect to a computer using RDP, VNC, Etc without actually disrupting the computer you are logging into. My wife uses my desktop computer at home so she ...
2
votes
4answers
11k views

How to import an Image for VirtualBox

I have VirtualBox installed on Ubuntu 64. I have a few Images I need to import into my Virtual Box. What I got is a file with *.ovf and a file with *.vmdk What am I suppose to do with those files?
1
vote
1answer
69 views

Can I avoid losing three IPs per network on a bridged Xen networking setup?

About a month ago, I asked this question on Superuser. The answer given there certainly works, but I've run into an issue I haven't thought of before. The setup I had running (based on the previously ...
25
votes
5answers
4k views

VirtualBox from an existing partition

I installed VirtualBox on my Ubuntu Hardy Heron installation, and I would like to use it to virtualize Windows for those rare occasions that I actually need to do something there. Unfortunately, I ...
6
votes
1answer
13k views

enable AMD-v on Asus M4A88T-M with AMD Phenom II X6 1090T

I've problems with x64-virtualisation in VMware Workstation. I don't know what's the problem: Hardware: AMD Phenom II 1090T (does support AMD-v), ASUS M4A88T-M Mainboard and 8GB of RAM. That should ...
5
votes
2answers
883 views

Why doesn't Windows 8 Task Manager report the actual CPU frequency when Virtualisation is turned on?

In this question, I asked why the actual CPU frequency wasn't being reported in the performance tab of windows task manager. It turns out I had Virtualization turned on in the BIOS. When I disabled ...
5
votes
3answers
1k views

Dual-Virtualization vs. Dual-Boot vs. Single-Virtualization

A friend of mine recently suggested something that intrigued me: in the case of needing multiple Operating Systems simultaneously, instead of dual-booting or using multiple computers, one could use a ...
4
votes
2answers
3k views

Why does my Windows 8 Pro Hyper-V guest have no internet?

Trying to get this working on my Windows 8 Pro machine. I created an External Switch Assigned the newly available adapter to a Guest machine with Win 2008 os. My host has internet connection. Host ...
4
votes
4answers
1k views

When running virtual machines, is VT-x support or higher clock speed better?

I'm looking at building a new desktop workstation. I will be using VMWare Workstation to run virtual machines, probably only one or two at a time. I am currently deciding on CPU and the options I am ...