VirtualBox is a free, open source virtualization program from Oracle for the x86/x86_64 architectures.

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Trying to open a VM config which has the same UUID as an existing virtual machine

When trying to add two VirtualBox virtual machines which have been originally copied (via simple file copy) from the same source, on adding the second one I get the message Failed to open virtual ...
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2answers
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Proper way for changing MAC address in a linux VM?

I tried to change the MAC address in a ubuntu VM (virtualbox), but after that it threw lots of errors during boot, and then I had no internet connection. Then I saw that the interface was renamed to ...
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Virtualbox, VMware, KVM or other for Ubuntu virtualization?

Is any one of these better than the others? What are the differences in practical terms for home use?
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Linux VirtualBox guest suddenly running extremely slow

Apologies for the very long post, I have posted this on the VirtualBox forums but the activity seems to be quite low and no responses yet so if I may, please bear with me here. Specs Host Linux ...
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My virtualbox fstab will not auto-mount on reboot?

I am able to mount my drive manually like this (ubuntu): sudo mount -t vboxsf C_DRIVE /mnt/saga_c But when I try and add it to my fstab it does not mount when I restart the machine. Is there ...
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Create Virtualbox image of a physical partition

I've a drive with Fedora and Windows 7 on different partitions with dual boot. Now, while running Fedora, I'd like to suck up the Windows partition and create an image I can run in VirtualBox - how ...
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Ubuntu and Linux Mint only run in Software Rendering Mode on Virtualbox

I am trying to figure out why Ubuntu and Linux Mint only run in Software Rendering Mode on Virtualbox. My motherboard supports hardware virtualization and it is turned on, and I have installed the ...
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Using virtual box is it possible to set your virtual machine time to be different from host time

Using virtual box is it possible to set your virtual machine time to be different from host time. Say 1 year into the past. If I wanted to run the windows XP images provided by Microsoft from here. ...
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how to access samba on a guest Linux behind the VirtualBox NAT?

On my laptop, I'm running Ubuntu 9.10 under WinXP using VirtualBox 3.1.2. I want a setup where: The guest can freely access the internet. The host can access the guest files via Samba. The setup ...
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1answer
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VirtualBox 4.3.20 stops working after Windows Update [duplicate]

I have a current version of VirtualBox 4.3.20, but after the latest Windows 7 update on Dec. 11th, 2014, it cannot open any virtual machine. First, it would not open the program at all. After a ...
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4answers
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SSH into VirtualBox Guest: Connection Refused

Setup Windows 7 64-bit host OS running VirtualBox 4.2, with Ubuntu 12.04 guest OS. OpenSSH server is installed and running (ssh -v localhost connects locally in the guest machine). Can SSH to ...
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VirtualBox: Host OS processor is spiked while guest OS virtual processor is idle?

I'm running Windows XP 32-bit on Windows Vista 64-bit with VirtualBox 3.0.6. Whenever I run the XP VM, Vista (host) reports 100% cpu utilization even though XP (guest) reports between 1-5% cpu ...
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1answer
785 views

Is it possible to dedicate a monitor for VirtualBox use?

Configuration Windows 7 Intel i7-based platform ATI Raedon HD 5850 Display card VirtualBox with Ubuntu 10.10 as guest Problem: I wanted to connect another monitor to my current setup (Which is a ...
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Two internet connections on a single computer (host to ethernet, virtualbox to dial-up)

UPDATE 4: After trying what JohnnyVegas suggested, I connected the dongle to the host machine, it wanted to install it's drivers, I cancelled the installation. I removed all network connections from ...
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2answers
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Can't install Guest Additions using VirtualBox, Ubuntu guest OS, Win7 host OS

I'm new to VirtualBox and Linux. I've set up VirtualBox 4.0.4 on Windows 7. Successfully created a virtual machine running Ubuntu server 10.10 64 bit. I'm trying to set up Shared Folders. Prerequisite ...
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1answer
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How to convert .img to usable VirtualBox format

I have a .img file for Windows 1, and I need to turn it into something which I can use in VirtualBox, such as an ISO, or turning it into a bootable virtual disk for an ICT project. If you need any ...
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How do I setup a virtualbox server with a static ip?

I'm trying to get a Virtualbox instance running with a very specific networking setup. Here's what I have right now: I have a laptop running Ubuntu, hosting a Debian Virtualbox. My loptop regularly ...
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VMWare vs VirtualBox …what I should use [closed]

what I should using to work with linux on windows ... I don't know ! ... but I tried VirtualBox and VmWare what's the differents and which are the feutures
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Resize a VM hard-drive (virtualbox)

Is there a way to resize a VM hard drive? I am using virtualbox and I have a VM that has run out of space, looked into the settings but it seems I may have to create another partition. I thought ...
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VirtualBox - how to free up unused VDI disk place?

So if I have a dynamical storage in virtualbox guest, how can I reduce the VDI's size, if there are many unused place in the guest? So I mean I know the virtualbox guest in reallity is about ~3 ...
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Is there any easy way to copy from a VirtualBox Guest to the Host?

I have Windows 7 and use VirtualBox. I have installed Ubuntu Server as a Guest. Is there any easy way where I can copy text in the Ubuntu Server terminal to my Windows 7 host? And also doing the same ...
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Is there an optimal setting for the number of CPU cores exposed to a VM?

VirtualBox, and possibly other VM software, allows the user to specify the number of CPUs exposed to the VM. In my particular case, I have a dual core CPU, with Windows 7 64-bit running natively, and ...
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How to (legally) get Windows virtual machine on linux via VirtualBox without buying Windows

My goal is to install Windows 7 on a virtual machine running on Ubuntu. The Lenovo machine came with Windows 7 installed, but did not come with a boot disk. What are my options? Should I ask Lenovo ...
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1answer
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Why can't I chown a VirtualBox shared directory?

I'm trying to recursively chown a VirtualBox shared folder, but I can't get it to work: $ ls -lah total 16K drwxr-xr-x 4 root root 4.0K Aug 1 2012 . drwxr-xr-x 23 root root 4.0K Jul 21 2012 ...
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Virtualbox: How to access web server on guest OS from the host OS?

After a lot of RTFM'ing and reading forums, I am still having problems and need some advice. I use Virtualbox on Ubuntu and installed a Centos server as a guest. My problem is that I cannot access the ...
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Virtual Box error after creating new VM

I have followed several tutorials thinking I was doing something wrong while installing virtual machines using VirtualBox. It is important to say that I'm running Virtual Box on Windows 8.1 The ...
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1answer
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How do I record the VirtualBox screen to a file?

I'm using non-OSE VirtualBox which seems to support recording the VM screen to a file. VBoxHeadless -c -f record.avi -s myvm But somehow it complains with the following message: Failed to load ...
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How does bridged networking work in Virtualbox?

How does bridged networking work? I have looked through the VirtualBox manuals but nothing extremely technical came up (It was just a generic gloss over of the topic). How does it assign a ...
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3answers
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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 ...
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1answer
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Unable to boot Ubuntu 64-bit in Virtualbox on Mac OS X

I have latest generation Macbook Pro 7.1 (Intel Core 2 Duo) running Mac OS X 10.6.6. I installed Virtuabox 4.0.2 and tried to boot Ubuntu 10.10 64-bit iso. The boot options screen from the live CD ...
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How to create an empty floppy image with VirtualBox Windows guest?

Is there a way to create empty floppy disk images, which I can use with VirtualBox? The client is Windows XP.
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How to connect to VirtualBox remote desktop client using VNC?

I am using VirtualBox 4.0 on Ubuntu Narwhal with guest OS Windows XP. I've installed the VB extensions and enabled remote access through port 3389 as suggested on several sites. I am trying to ...
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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 ...
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2answers
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Error while installing virtualbox

I am running debian 7 and trying to install virtualbox using: sudo apt-get install virtualbox and getting this output: Selecting previously unselected package virtualbox. Unpacking virtualbox ...
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1answer
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Change MacOS X guest screen resolution for VirtualBox

I have tried all alternatives and resources that I found on internet to achieve to change screen resolution in my MacOS X guest. I have the latest VirtualBox version (4.1.22) and I have MacOS X 10.6.3 ...
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1answer
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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 ...
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Transferring VirtualBox Virtual Machines to another computer

Is there any way to transfer VirtualBox VMs, with their operating system and all their files intact, to another computer?
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VirtualBox 4.1.20 (Windows 7 / Ubuntu 12.04 (64 bit)) copy/paste is broken

I can't make copy/paste between Windows and Virtual Ubuntu 12.04 to work with this configuration: Host: Windows 7 Professional with VirtualBox 4.1.20 Virt: Ubuntu 12.04 (64 bit) with all ...
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How to install Windows 8 Developer Preview on VirtualBox in Ubuntu?

I have downloaded the Windows 8 developer preview ISO and I'm trying to get it running on VirtualBox 4.1 in Ubuntu 11.04 64-bit. Short story: it doesn't work. I see a message "Loading files..." ...
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Tuning Windows 7 for use in a VM

I'm running Windows 7 in a VirtualBox Virtual Machine, and would like to make it run in a more streamlined fashion. I'll be using the install primarily for testing web apps, and have no need for it ...
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How to permanently disable mouse integration in Virtualbox?

The "mouse integration" feature in Virtualbox is pretty handy in most cases, but I need to have it disabled. Unfortunately, it looks like I have to press Host+I at every boot of the virtual machine. ...
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Does VirtualBox support line in and the microphone?

I am running windows 7 on my host which has the microphone working just fine but I cannot get the mic to work under any guest (I have tried Ubuntu 10.4 and Windows XP). I am beginning to think that ...
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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 ...
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Forcing monitor resolution in VirtualBox VM on Linux Guest

I am working in a VirtualBox 4 VM running Slackware-current. I have added an external monitor, and am attempting to set up both of them to run in their native resolutions, but am having no luck. I am ...
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How can I make my Virtualbox Vista see my USB device (iPad)?

I have the latest VirtualBox. I have filters for the iPad. But it does not show up in my virtual Windows vista My Computer screen or virtual iTunes. When I try to right click the little USB icon and ...
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VirtualBox Mac - Is it possible re-map a key for a VM

I am running Windows inside VirtualBox on Mac OSX. However, I am frequently copying and pasting/undoing etc using keyboard shortcuts. Because Mac is dumb and tries to be different, common shortcuts ...
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Resize partition of Windows 7 running on VirtualBox with dynamically allocated storage

I run Windows 7 inside VirtualBox. I resized the disk of Windows 7 from 25 GB to 50 GB: VBoxManage modifyhd Windows\ 7\ Pro.vdi --resize 50000 ...
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How to merge arbitrary snapshot into base vdi in Virtualbox

I botched a transfer of a VM from one harddisk to the other. Now I'm left with the base vdi and a whole bunch of snapshots. My steps Copied old VM directory over to new HDD Deleted old VM and ...
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Sync Iphone in Windows XP running as Virtualbox guest under Ubuntu 9.10

I run (K)Ubuntu 9.10 as my main operating system, but I still have a valid XP license, so I've been running Windows XP as a guest operating system with Virtualbox 3.10. I cannot get Itunes (running ...
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How to run Android-x86 4.2 iso on VM VirtualBox?

I installed oracle VM virtualBox on Win7,then I downloaded android-x86-4.2-20121225.iso from Android-x86 - Porting Android to x86.After I installed Android x86-4.2 on VirtualBox from iso and creating ...