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

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“Host USB device connections disabled” in VMware?

I installed Linux, Windows XP and Chrome OS in VMware Workstation 7 and in every OS the USB host doesn't work. When I start some of the Operating Systems this message shows up: Host USB device ...
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3answers
4k views

VirtualBox: have higher guest resolution than host resolution

Is there any way to have a guest machine have a huge resolution (like 3000x2000 or something) in VirtualBox? I'd like to be able to move around the desktop by scrolling around. It seems like it would ...
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8answers
19k views

How to recover Virtual Machines in Virtualbox?

For some reason, all of a sudden, all virtual machines are gone from the User Interface in virtual box. I suspect CCleaner has something to do with it, but that's not the point. Both the virtual ...
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1answer
764 views

Is it possible to run several virtual machines each with independent mouse+keyboard on a single PC? [duplicate]

My goal is to instead of buying 4 separate basic PCs (plus the obvious peripherals), buy just one fast PC and the peripherals. I'm wondering if I can use a more powerful computer, say, one with core ...
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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 ...
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3answers
6k views

Why does VirtualBox show more CPUs than available?

I have an Intel Core i7 3930K with 6 CPU cores. Now, I understand that every of that cores can handle 2 separate threads. That makes 12 virtual cores - which I can see using my system monitor (see ...
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2answers
12k 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 ...
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3answers
6k views

How can I run an existing WinXP partition (dual boot machine) inside KVM?

I use KVM to run virtual machines on Ubuntu Jaunty and virt-manager to configure them. My machine is dual-boot, and I don't want to have to reboot for my occasional uses of Windows. So I set up a VM ...
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3answers
3k views

Virtual machines and TRIM

Although TRIM support was introduced to make SSD work better, it should also help virtual machines optimizing virtual disks (for example to know which parts of virtual disks needs no storage on ...
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2answers
5k views

Should I split VMware virtual disk into multiple files or not?

I'm using VMware Workstation 12 to create Win7 virtual machine that I can use it on Linux for programs like Photoshop and After Effects. VMware is asking for this option to split virtual machine ...
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11answers
88k views

How to copy files from local machine to remote virtual machine?

Is there an easy way I can copy files directly from my machine to the virtual machine? I have downloaded a lot of .HTML files on my desktop and I need them on the virtual machine, I noticed that I ...
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3answers
9k views

Converting a Windows 2000 Physical Machine to a Virtual Machine

What's the best way to create a virtual machine from an old Windows 2000 machine? I found VMware vCenter Converter Standalone 4.0.1 which is the last version to support Windows 2000. Are there any ...
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5answers
1k views

Run a dual-boot operative system virtually

I have a dual-boot system with Windows 7 and Ubuntu 11.10 installed on separate partitions, according to the following partitioning scheme: 1. MBR for windows 2. Windows system partition (NTFS) - i.e....
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2answers
9k views

How do you create and partition a raw disk image?

I need to create a raw disk image for use in a virtual machine, but I need to create the partitions before creating the file system or installing the operating system. Can anyone describe a process ...
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3answers
2k views

Quad Core host with hyper-threading, how many processors to configure in VirtualBox?

I have a quad-core i7 processor with hyperthreading (8 logical cores), when I configured a virtual machine to use 8 processors, VirtualBox gave me a warning saying that I only have four cores (which ...
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2answers
1k views

Unable to ssh to a Linux VM after a day

I have a machine running 4 VMs on it. There is one Fedora VM which is causing me some trouble. The IPs of the VMs are something like 10.100.100.* I have a Windows PC which is in the same network. It ...
3
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1answer
84 views

Special instructions for CentOS VBox virtual machine?

I am gearing up to create a CentOS 5.5 server virtual machine in VBox and was wondering if there are special instructions, configurations or settings that I should be aware of ahead of time. ...
3
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1answer
589 views

Creating Ubuntu VM with VirtualBox

I am trying to set up my very first virtual machine via VirtualBox (4.1.8). I created the machine and selected Linux → Ubuntu inside VBox's installation wizard. I then went to run the machine for the ...
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1answer
1k views

Dual boot Linux / Windows 7 + Window 7 virtual machine under Linux + licensing

Is it legal to use single Windows 7 (home basic) license to install windows on host AND on virtual machine running under Linux on the same host? It will be physically different installations (...
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5answers
452 views

Which virtual machines exist for Linux besides VirtualBox? [closed]

What virtual machine software is there for Linux besides VirtualBox?
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2answers
11k views

How can I shrink my VMware image?

I created an image of a Windows Server 2008 system using the free VMware Player and set the maximum hard drive size to 100GB. I then gave those image files - 30GB at the time - to a server hosting ...
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5answers
6k views

Time machine friendly virtual machine (VirtualBox) image files?

I have a Windows 7 VirtualBox virtual machine. The disk image file is 30GB and is one large .vdi file. If I change anything inside that (even a few KBs), Time Machine wants to backup the entire 30GB ...
2
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1answer
358 views

Running an executable in virtual machine through base machine

I want to launch an executable in my virtual machine(Windows Server 2003 OS and is installed using VMWARE Workstation) from my base machine I tried the following command "C:\Program Files\VMware\...
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1answer
1k views

How do i set up shared folders in virtual box (windows 7 host, Ubuntu guest)?

I have windows 7 (host), virtual box, and BioLinux6 (a varient of Ubuntu) as the guest OS. how can i set up the shared folders to be usable for read and write in both OS without having to re-mount ...
2
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1answer
154 views

Pages appearing in black on Firefox Developer Edition

I just installed the latest Firefox Developer's Edition (40.0a2) on one of my VMs, and most web pages are showing up on it (images included) as one big black page of nothing. (It works fine on my host ...
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1answer
35 views

How to Mount Guest DOS OS with HOST OS.?

I am newbie to VM concept. actually i have installed DOS6.22 under virtualbox and using 32bit windows 7 OS as HOST Operating System, now i want to copy some folders/files from HOST OS to DOS6.22 Guest ...
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4answers
6k views

Can I use the same Windows 7 license for a virtual machine and native (on the same computer)?

I run OS X as my usual operating system. I've purchased a copy of Windows 7 which I've installed as a guest in VMware Fusion. Everything's fine so far. Now -- I'd like to also have a native ...
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1answer
751 views

How to make Ubuntu VM in VirtualBox accessible from the internet?

I'm trying to set up an Ubuntu server in VirtualBox. The host is Windows 7 x64. The guest is Ubuntu 11.10 x64. I want to make this server accessible from the internet. How can I do it?
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4answers
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Can I move Ubuntu vmware installation to a new laptop?

I am getting a new laptop at work but I have had Ubuntu 9.10 installed on my old XP machine on vmware. I am guessing that migrating to the new machine would not be as easy as just copying the virtual ...
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1answer
425 views

Windows 8 Hyper-V Client Backup Solution

I am planning to create a server environment consisting of 1 hardware pc running Windows 8. On that Windows 8 machine I run 2 VM server one running linux the other is running windows 7. Is there a ...
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2answers
27k views

No Internet connection in Android-x86 4.2 ISO on VirtualBox

I installed Oracle VirtualBox on Windows 8. Then I downloaded android-x86-4.2-20121225.iso from Android-x86. After I installed Android x86-4.2 on VirtualBox from the ISO, I could run it, but the ...
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3answers
8k 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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3k views

Multiple monitors with virtual machine

Is it possible to use multiple monitors with Windows Virtual PC 2007? If not, are there any other virtual machines that do support multiple monitors?
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3answers
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Is it possible to launch GUI of headless VirtualBox' machine?

After I launch a virtual machine (Ubuntu 12.04) in headless mode on Windows 7 host C:\Users\XXX>VBoxManage startvm "ubuntu 12.04" --type headless Waiting for VM "ubuntu 12.04" to power on... VM ...
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7answers
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Why do I need Windows XP mode in Windows 7?

Tomorrow on 15th of July Microsoft is staring pre-order of Windows 7. I compared the three editions ("Which one is right for you?") for me. The main difference is "Windows XP Mode" in Professional and ...
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4answers
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Move “XP Mode” from Windows Virtual PC to VirtualBox?

I installed "XP Mode" in Windows 7 (which uses Windows Virtual PC to host XP). I have now discovered that VirtualBox, which I have installed on the same Windows 7 machine, refuses to run at the same ...
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3answers
585 views

can a VirtualBox VM run on different hardware?

I have created a VM using VirtualBox on 'A' hardware configuration. Can I expect correct working of this VM if I copy the VM hard drive image and use it on a different hardware configuration 'B'?
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1answer
147 views

My First Virtual Machine

I'd like to create a situation where a standard MS development stack is wholly contained within in a VM such that I can share (via USB enclosure) the identical development environment between main ...
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3answers
6k views

VirtualBox does not start on Mac OS X

Suddenly and without notice, VirtualBox application doesn't start. First, it just didn't do anything. Not even an error message. I looked in the system log (/var/log/system.log) and I found these two ...
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2answers
444 views

How to create virtual machine environments?

I want to create a number of virtual machine environments for testing new beta releases - Windows 7, VS2010, Windows Server 2008 and so on. My host OS is Windows XP. What is the best way of going ...
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5answers
2k views

How do I get the maximum resolution on Ubuntu in Microsoft Virtual PC?

I've spent way too much time on this than I care to admit; I'm new in the Linux world, and I installed Ubuntu 9.04 on a new virtual machine. My problem is getting the screen resolution I would like - ...
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3answers
12k views

How Do I Access localHost From VMware

I've created a new WinXP vitual machine on my win7 using VMware player. The VM is using NAT to share the host's Internet connection and when i put http://192.168.163.2/ in IE on VM, i can easily ...
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2answers
748 views

Is there a way to store files in memory?

I have this problem with chrome: Whenever g Google Chrome is open my HDD spins really fast Anyway, after reading this, exerpt: Hi Tim, You can also tell Chrome to use a random folder for the ...
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3answers
560 views

Pitfalls of Windows XP Virtual Machines

What problems have you faced when registering and activating Windows XP under VirtualBox or similar?
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3answers
3k views

Internal stack overflow on Virtual PC when installing Windows 98

I'm attempting to use Windows Virtual PC to set up a Windows 98 (SE) VM; you know, for nostalgia's sake. However, whenever I run it, I get the following error: An internal stack overflow has ...
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3answers
573 views

increase performance of virtual machines on the 27" imac

I'm using a 27" iMac (i7, 8GB RAM) at work and normally run two or three virtual machines at the same time, which hurts the performance of each virtual machine. I've learned on these forums the best ...
3
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1answer
14k 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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2answers
2k views

Attach network interface to vmware nat (bridge is not working perfectly)

I have a developer computer with two physical network interfaces (NIC A and NIC B). I have VMWare workstation and several virtual machines in VMNet8 (NAT). I would like to connect my notebook to my ...
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1answer
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Bash script to wait for Virtualbox VM shutdown?

Virtualbox has the ability to issue a command to a running vm: vboxmanage controlvm NameOfRunningVM acpipowerbutton However this command returns immediately which results in non-graceful shutdown ...
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2answers
2k views

How to connect 2 virtual machines(VMWare Workstation 7.0) in a separate network?

There are supposed to be 2 networks: i) The first one is the one which all the virtual machines and the host share(Host-only condition). This one is easily achievable for me, as an amateurish beginner....