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

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Use VirtualBox to boot a physical drive/partition

I have two partitions on my hard drive, one for Windows and one for linux. I would like to use VirtualBox in Linux to boot the Windows partition as a virtual machine. How can I acheive this?
6
votes
1answer
7k views

VirtualBox and Wireless interface Bridging?

Can anyone please tell me how does VirtualBox 4.1.4 OSE version bridges the connection with the wireless Interface (wlan0). Yes! It was working fine in my guest :) . I read the Documentation at their ...
6
votes
2answers
7k views

How to update to latest VirtualBox and backup files?

I want to update to the latest version of VirtualBox. How can I do it without losing the OS I installed and the files inside? How can I backup everything I have on VirtualBox? I currently have ...
6
votes
1answer
294 views

Can I “Speed Up” a VM to emulate the passage of time?

I'd like to put a VM into "fast forward" so that I can see several days (or weeks, or months) worth of logs and temp files build up and analyse them. Is that possible with virtualbox & ubuntu ...
6
votes
1answer
2k views

VirtualBox: How to restore a deleted configuration file?

Somehow a lot of things went wrong with VirtualBox. The configuration-file (which is an xml-file) was cleared, because there was most probably no space left on the disk. The harddisk file was lost in ...
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3answers
3k 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 ...
5
votes
3answers
3k views

Fixing Command + Tab on Virtual Box

I've got Mac OS X 10.8 with VirtualBox installed. I'm running Windows 7 as a virtual machine. When I'm in Windows, I find that Command+Tab doesn't work, and I was wondering if I can fix it to still ...
5
votes
7answers
15k 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 ...
5
votes
2answers
15k views

How to input hash (#) symbol to terminal?

I'm running Ubuntu Server as a virtual machine (using VirtualBox) on my mac. Normally on the Mac, I'd press alt + 3 to input the hash (#) sybmol. However, if I do this in my Ubuntu Server's console, ...
5
votes
4answers
14k views

Fixing a guest screen resolution in VirtualBox

I was required to develop a Windows app UI for a fixed resolution - it doesn't matter if it makes sense or not, the customer requires it. I'm using a Windows Server 2003 VirtualBox VM as the ...
5
votes
2answers
12k views

How do I trap the mouse pointer within a VirtualBox Guest OS?

I'm on a Mac Mini 2011 with VirtualBox installed. I have Windows 7 running as a Guest OS. My question: How do I "trap" my mouse pointer within Windows? In other words, I don't want my mouse to move ...
5
votes
3answers
27k views

What would be optimal settings for a Windows 7 VirtualBox VM running on a Macbook Pro?

I am having a hard time coming up with decent performing settings to run my Win7 64-bit VirtualBox VM on my brand new Macbook pro. I've given it 2G memory (out of my 8G total), tried what feels like ...
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votes
5answers
5k views

What is the best way to hide a command prompt window

I'm running the headless interface of VirtualBox (VBoxHeadless.exe) with Ubuntu Server running on it. Every time I run VBoxHeadless, it starts a command prompt window which just sits on the taskbar ...
5
votes
4answers
4k views

Sun Virtualbox: Cannot Install Windows 95 or 98

I'm running XP and I've tried to install Windows 95 and 98 with the official CDs in Virtualbox. Both of them give the error: FATAL: no bootable medium found! System Halted I've mounted the CD ...
5
votes
2answers
2k views

Linux Mint 14 seems to Randomly Change Workspaces on Laptop

I am running Linux Mint 14 (Cinnamon) in a VirtualBox VM on Windows 8 host using an HP Envy 17" laptop. It seems like it randomly decides to show the workspace selection screen while I'm doing ...
5
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3answers
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Set password for root on virtualbox ubuntu

I loaded ubuntu into virtualbox. It all works well but it occurred to me that I was not asked (or did not setup) a root password. I want to use root on occasion, but I cannot seem to find out how to ...
5
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1answer
9k views

Virtualbox gives Error code: 0x000000C4 with Windows 8.1 or 2012

Trying to boot Windows 8.1 or Windows server 2012, either a previously installed VM or booting from CS/ISO on virtualbox gives Error code: 0x000000C4.
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1answer
3k views

VirtualBox - guest Ubuntu loses DNS when host connects to VPN

I have Ubuntu guest OS in VirtualBox using default NAT for eth0. Works fine at the office and at home EXCEPT when on office VPN from home. When the host OS (Windows 7) is connected to the VPN, DNS ...
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4answers
10k views

auto-mounting shared folders in VirtualBox

I am writing to ask what the effect of the auto-mounting process is in VirtualBox, and where the folders can be accessed within a guest Linux system if auto-mount is used. I have VirtualBox 4.0.4 ...
5
votes
3answers
7k views

How can I import an existing .vbox virtual machine in VirtualBox?

How can I import an existing .vbox virtual machine in VirtualBox? The instructions say I can only do this if I have an .ova or .ovf file, but I don't understand this as VirtualBox machines are .vbox ...
5
votes
7answers
12k views

Mouse disappear in VirtualBox

I am using latest version of VirtualBox (VirtualBox 4.3.6 for Windows hosts) and after installing any OS and clicking inside of it mouse disappear. It is not visible until I press right CRTL. Anyone ...
5
votes
3answers
8k views

Run Windows inside a virtual machine on Linux for gaming

Since making the full time move to using Linux (Fedora) from Windows, I've found the migration fairly easy and haven't had much disruption in how I do my work. However, there are some games I like to ...
5
votes
3answers
21k views

Why do I get “this CPU is not compatible with 64-bit mode” on a 64-bit processor?

I have a 32-bit Ubuntu 10.10 as a host OS, VirtualBox 4.0, Windows 7 64-bit Professional as a guest OS. The laptop processor is 64-bit. When I try to load Windows 7 64-bit in VirtualBox, the error ...
5
votes
3answers
25k views

How to access my local server on my VirtualBox virtual machine?

Here's my setup: I have a local server running on my machine (Mac OS, Snow Leopard). I can access it via my browser by doing localhost:3000 I have a virtual machine using Virtual Box running a ...
5
votes
2answers
7k views

VirtualBox command line error

I can run VirtualBox just fine, but when I run anything from the command line I get: VBoxManage.exe: error: Failed to create the VirtualBox object! VBoxManage.exe: error: Code ...
5
votes
2answers
30k views

How can I clone a hard drive directly to a vdi image

I would like to make a VirtualBox .vdi image out of my hard drive. I've found howto's online that describe doing this by first usind DD to create a .raw image, then using VBoxManage to convert the ...
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5answers
2k views

Shared clipboard in Virtualbox with command line only Debian guest

I have a Debian guest installed on a Windows 7 host using Virtualbox. The installation included virtualbox-ose-guest-utils by default, so I should have everything I need. How can I turn on the shared ...
5
votes
2answers
34k views

How to use Oracle VirtualBox' remote display feature?

I can't use Oracle VirtualBox remote display feature. I have host OS of Fedora 15 PAE. This OS is running Virtual Box with the same guest OS (Fedora 15). The network driver of virtual box is in ...
5
votes
2answers
26k views

Convert Parallels VM to Virtual Box VM?

The question describes well what I need but here are some more details about the circumstances. With Parallels Desktop 4 running under Linux, I have a number of Windows 7 Virtual Machines. Sadly, ...
5
votes
1answer
4k views

Newly upgraded Ubuntu 11.04 VM not booting

I have just upgraded to 11.04 on my VirtualBox VM, and after I start it, it begins to load, but it stops at the line * Checking battery state... [ OK ] I have tried the recovery mode, but to no ...
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votes
3answers
2k views

Virtualbox in Headless mode

I used the virtual machines in virtualbox in a "headless" mode instead of a GUI mode. what are the advantages of using it in a headless mode?? by headless does it mean that the server doesnt have a ...
5
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3answers
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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 ...
5
votes
1answer
2k views

Why would my Windows 7 inside VirtualBox not see other computers on network?

I installed Windows 7 inside VirtualBox on Windows 7. Host Windows 7 can see virtual Windows 7. Other computers on the network can see Host Windows 7 and virtual Windows 7. But virtual Windows 7 ...
5
votes
3answers
6k views

Incorrect keyboard mapping on Ubuntu under VirtualBox

I installed Ubuntu under VirtualBox on my Windows 7 machine. All is working okay, except that when I type a hyphen - I get an apostrophe ' instead. This happens on the command line, in the browser, ...
5
votes
1answer
1k views

Norwegian keyboard keys don't work with Ubuntu in VirtualBox

I just installed VirtualBox (from Oracle) in Windows 7, and created a virtual machine with latest Ubuntu. Here in Firefox I can use the left Ctrl key, while the right one doesn't have any effect. ...
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 ...
5
votes
2answers
366 views

Is it possible to use a Vista Boot Camp partition inside Virtual Box on Mac OS X

I've got windows Vista installed inside Virtual Box on my Mac OS partition. I've also got it installed under boot camp and I occasionally boot to it when I want to run windows with better performance ...
5
votes
2answers
6k views

Installing Win7 on Virtualbox: “Select the driver to be installed” What?

I want to install Windows 7 32bit on Virtualbox (Win7 32bit profile) running on Ubuntu 2013.04 64bit on Lenovo Thinkpad T520. This usually works fine (and I have installed many Win7 that way with no ...
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votes
3answers
6k views

Start VirtualBox Headless VM On Boot

I am running two VirtualBox headless VMs on an Ubuntu 12.04 host. I would like these VMs to start automatically when the system boots. I have two crontab entries set like this (under the user which ...
5
votes
1answer
3k views

How to get back true color mode in VirtualBox?

I have a Windows 7 x86 VM which I run in Virtual Box. Sometimes, when I play Alpha Centaurie, it ends with the VM only displaying 256 colors. When I go to Screen Resoltution, I only see: I tried ...
5
votes
3answers
3k views

how to extend Virtual Box harddrive?

I run WinXP SP3 on my Virtual Box (3.2.10) under OSX 10.6.2 and the harddrive of the virtual box is getting too small. Can I extend exiting hdd somehow? create new Virtual Box from a running ...
5
votes
1answer
3k views

Remove Virtualbox's lower machine configuration bar in a running VM?

I'm running a VM in VirtualBox 3.2.4 in Full Screen. At the bottom of my screen, there's a small toolbar from Virtualbox. When I'm using my mouse to change windows, sometimes this toolbar pops-up and ...
5
votes
2answers
4k views

Setup FreeDOS in VirtualBox to access shared folder on Novell Server

Where I'm at we have an a few people still using an old program that requires dos/win98 to run, and so we still have a few windows 98 pcs scattered around. Long term I will get rid of the program, ...
5
votes
3answers
4k views

Can I safely ignore the windows logo testing warning when Installing VirtualBox on Windows XP?

When I download the xp version of VirtualBox from http://download.virtualbox.org/virtualbox/3.0.12/VirtualBox-3.0.12-54655-Win.exe and run it, it alerts me about not being windows logo tested. It then ...
5
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2answers
905 views

XP / Vista License on virtual box

My laptop came with vista and XP licenses. I since removed them and installed ubuntu instead. I have a piece of software that is known not to run on crossover or wine. When i try to install windows ...
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7answers
1k views

Using Virtual box to practice malware removal?

I have Windows 7, and installed virtualbox on it with a copy of Windows XP pro sp3 with all updates. I want to use the virutal environment to practice removing malware....in other words, I want to ...
5
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1answer
2k views

How to select paravirtualization interface in virtual box

Given a windows 8 host system (Intel Core i5) and a Linux Fedora host, I would like to determine the optimal setting for the paravirtual interface. Options are none Default Legacy minimal Hyper-V ...
5
votes
2answers
11k views

Error “VT-x/AMD-V hardware acceleration not available on your system” while trying to run Virtualbox

I have to run Mac OS on virtual box for a class and it keeps giving me errors stating "VT-x/AMD-V hardware acceleration not available on your system. Certain guests (e.g. OS/2 and QNX) require this ...
5
votes
1answer
2k views

From my 192.168 box, how do I find 10.0 virtual machine on the same box?

I am running Ubuntu 12.04 and VirtualBox 4.1.12. I have created a Debian server under VirtualBox. For reasons I don't understand, DHCP grants my Ubuntu box 192.168.20.50 and my Debian VM 10.0.2.15. ...
5
votes
1answer
3k views

Virtualbox Linux host: Pass non-recognized USB device through to Windows guest

I'm running Virtualbox 4.1.2 (with the corresponding extension pack) on an up-to-date Ubuntu 11.10 host with Windows XP as a guest. I have a National Instruments USB-6251 device which I would like to ...