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

learn more… | top users | synonyms (3)

5
votes
1answer
2k views

IIS in VirtualBox serving files from shared Ubuntu folder

Here's the problem: I want to use Ubuntu. But I need to develop ASP.NET (MVC) sites. So I setup VirtualBox with Win2003 and IIS6. But I would prefer my working files to be located in my Ubuntu home ...
5
votes
2answers
6k views

Why isn't VirtualBox restoring my saved machine state?

I'm using VirtualBox 3.1.2 (on Windows 7, as my host OS) to experiment with an ArchLinux install. I use the Save Machine State option when powering down my VM so that it can be restored as it was. If ...
5
votes
3answers
2k views

How to import VMware Workstation 7 VM into Sun VirtualBox (latest version)?

I am planning on installing the latest version of VirtualBox on my Windows 7 machine. I made about 6 VMs using Workstation 7.0 and want to import these into VBox. What is the best way to go about ...
5
votes
1answer
8k views

Using IPv6 with Virtualbox

I would like to test PNRP in an IPv6 environment under virtualbox. I have 2 XP VMs under virtualbox, and they only have IPv6 enabled. Firstly can I enable DHCP for IPv6 under virtualbox. If not then ...
5
votes
2answers
13k views

Windows 7 running in VirtualBox cannot see shared folders

I have a VirtualBox instance (running under Mac OS X 10.5) and Windows 7 running in VirtualBox. Everything is otherwise fine, but I cannot understand how to use shared folders. I have added a shared ...
5
votes
1answer
2k views

Connection to postgresql inside Virtualbox via portforwarding fails

I have a postgresql server inside a virtualbox created by vagrant. I have also set up a portforwarding from 5432 inside the box to 15432 on the host system via the Vagrant file. When connecting via ...
5
votes
2answers
4k views

How to get write access in guest os (linux) for raw disk (ext4) with virtualbox on Win7 host?

I created the vmdk-file as describe in Chapter 9. Advanced topics and added it to my guest vm. After it, I could mount the entire raw disk up in my linux guest vm. Now I can read the ext4 file system, ...
5
votes
1answer
656 views

VirtualBox reinstalling & updating has left me with Too Many Network Adapters. How Do i remove them?

I have too many network adapters. I have had to reinstall, repair VirtualBox a few times, and I have three NICs in my laptop. I definitely don't need to have 14 bridged networking drivers though, and ...
5
votes
3answers
8k views

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?
5
votes
2answers
6k views

How to change screen orientation in VirtualBox (Windows XP Guest OS) from Landscape to Portrait

I want to change the screen orientation in Windows XP running as Guest OS from VirtualBox from default(Landscape) to portrait. In my host OS, where it have access to graphics drivers etc, I see option ...
5
votes
3answers
274 views

Why do I have only incoming traffic when copying from network source to network destination?

I have a VirtualBox VM that is located on a network share of my NAS. When I copy something from the VM's disk onto another of the NAS' network shares (so the data is visible outside the VM), the ...
5
votes
3answers
1k views

Dual Monitor difficulties (VirtualBox ubuntu host) - rdesktop sessions mirror

I am running ubuntu 9.10 host with a Windows guest and need to extend my guest windows desktop into the second monitor (otherwise I will have to convert to a dual boot situation because this is a work ...
5
votes
1answer
139 views

Why does VirtualBox want my attention every morning?

I'm running Vista 64-bit Ultimate on this PC. On it, I've installed VirtualBox, and in that I'm running Linux. Everything's working great. I leave it running all the time. When I come in in the ...
5
votes
2answers
2k views

VirtualBox freezes during runtime when running from Win7 but not from Linux

I have a virtual box disk on my NAS so I can use it from Windows as well as Linux. This works fine except on Windows (7) the VM sometimes freezes. The NAS (QNAP TS-109II) occasionally sends me an ...
5
votes
1answer
69 views

initializing network connection in Virtual Box

I have installed Win 7 in Virtual Box I don't know how add network connections in windows 7. My Win7 Network Configuration: My Host OS: Edit: My network details in Ubuntu and ...
5
votes
1answer
1k views

How to use ipv6 with Vagrant and VirtualBox?

I have a Vagrant setup running Ubuntu in VirtualBox. I'm trying to create a public virtual network interface that I can access from the host. I have had no problem doing this with ipv4. Using ipv6 I ...
5
votes
1answer
589 views

How to make VirtualBox window fit inside container?

I'm trying to get the OS Window to fit the VirtualBox container, but I've tried every option under the View menu to no avail. This is ridiculous. Please help!
5
votes
1answer
1k views

My guest Ubuntu in VBox loses internet connectivity under NAT but not under Bridged Adapter- why?

I am running Ubuntu Linux via VirtualBox as a guest on top of a Win 7 Home Premium host. Everything was fine until a few days ago when my Internet connectivity started failing in Ubuntu. The default ...
5
votes
5answers
5k views

Host system resets (crashes) when using VMWare or VirtualBox and 64-bit guest systems

I have been trying to install virtual systems on VMWare for a while now and encountered strange behaviour from my PC. The behaviour is as follows: On "automatic" virtualization mode it either ...
5
votes
1answer
1k views

Do VMware, Virtualbox & Virtual PC play nicely together?

Lately VirtualBox has been a bit unstable and I want to try other VMs. If I install VMware and Virtual PC on the same host as VirtualBox will it cause problems (eg. crash the host)? What if I try to ...
5
votes
1answer
1k views

Add another monitor to VirtualBox while running?

Is it possible to add another monitor to a VM running in VirtualBox without shutting down the VM? I work on a laptop during the day and go between having a second monitor and not having one. What's ...
5
votes
1answer
558 views

Installing then Running VMware or VirtualBox causes my Windows 7 PC to not boot up after shutting down?

At work I use a Windows 7 PC but I am a programmer and face problems in Windows while working on some types of development, so I want to have a virtual Ubuntu Linux machine that I can use when I ...
5
votes
1answer
2k views

VirtualBox: 4 serial ports

Is there any way in virtual box to have more than 2 serial ports? When I try to set a 3rd or 4th serial port I get "Argument slot is invalid. RT_ELEMENTS(mSerialPorts))". The documentation claims it ...
5
votes
1answer
347 views

How do I create a hardlink in guest user in virtualbox

Apparently, VirtualBox does allow to create hard and soft links inside guest os on shared folders . Now the thing is I need to install a package that is creating hard links Hardlink("lib/abc", ...
5
votes
2answers
3k views

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 ...
4
votes
4answers
864 views

What is a good (free) VM solution for windows 7

The obvious candidates are Virtualbox and Virtual PC. But I have not been paying attention to VM's the last year, have I missed a good alternative?
4
votes
4answers
13k 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 ...
4
votes
3answers
4k views

Do I need an Anti-Virus in a virtual environment?

I have installed Fedora on VirtualBox specially for malware testing. Do I still need an anti-virus protection in Fedora?
4
votes
4answers
6k views

How to take the screenshot in windows XP on virtualbox?

i have installed windows xp on macbook pro using virtual box. I need to take the screen shot. How to take this in windows xp on virtualbox?
4
votes
3answers
25k 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 ...
4
votes
5answers
6k views

VirtualBox: Set Network Adaptor for exclusive use of Guest VM

In a previous question I asked how to configure m0n0wall in a VM. Now I would like to set a network addaptor in my machine to be used for the guest VM only, that is, not allow any traffic from the ...
4
votes
4answers
19k views

How do you enable multi-core virtualization in Windows 8 Pro?

I've just got a new Dell Vostro 470 with a quad core (8 threads) i7 3770 and I'm trying to run virtual machines on it, which works fine, except if I want to assign multiple cores to a VM. I've checked ...
4
votes
1answer
7k views

How can I configure a DHCP server assigned to a Host-only net in virtualbox

I can create an adapter via VBoxManage hostonlyif create but how to I configure it with DHCP, it doesn't seem like VBoxManage hostonlyif ipconfig take any arguments for DHCP: ...
4
votes
5answers
1k views

Should I run Windows Virtual Machines on a Windows or Linux host?

I have currently have a PC with 16GB of RAM. I will be running multiple virtual machines using VirtualBox. Would I get the best performance from running the VMs on a Linux host, or a Windows host? ...
4
votes
5answers
17k views

Unable to uninstall virtualbox network drivers

Last time I tried to uninstall virtualbox, it failed with a BSOD. Since then, I am unable to install any version of virtualbox. The uninstaller seem's to fail to. When i look in my network drivers ...
4
votes
5answers
9k views

Doesn't VirtualBox 4.0 support drag-drop file copy yet?

Version 4.0.0 will be new major release. The following major new features were added: -New settings/disk file layout for VM portability; see the manual for more information. -Open ...
4
votes
2answers
7k 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 ...
4
votes
1answer
2k 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 ...
4
votes
3answers
6k views

How to add a display mode to a VirtualBox VM?

I am using my first VirtualBox VM in order to run Windows 8 Preview on my Windows 7 machine. It looks like only a few resolutions are available for me to choose. My physical display is 1600x900, so ...
4
votes
3answers
7k views

Virtual Box Virtual Disk not expanding

I have an iMac Core i5 host computer, 1TB Hard drive, 8GB Memory. I have created a Virtual Box VM to run Fedora 14 64bit with a 200 GB Dynamically allocated hard drive. Virtual Box version 4.1.6 ...
4
votes
3answers
5k views

using ubuntu-server in full screen mode - VirtualBox

I have installed ubuntu-server 11.10 in virtual box. but unfortunately the screen is small. I installed VirtualBox guest additions to see it full screen(like what I do for windows). Now it is ...
4
votes
3answers
7k views

How to create vdi from existing (off line) partition?

I have an old hdd from my notebook that carries WindowsXP. I would like to run this WindowsXP installation under Virtual box under Windows7. I am able to connect the disk to my Windows7 via usb. So ...
4
votes
2answers
4k views

shrink size of ova file in virtualbox

I've got an Ubuntu 64bit VM that I derived from a ~1GB ova file, I used it under VMware vSphere to install some more software on it and use the system against a few datasets that took some 2-3GB of ...
4
votes
2answers
4k views

Can I use android app on PC?

I use android-x86 on PC using VMware or virtualbox. I wonder how I can install android application. (Assume that the app is freely available from android market.) My PC OS is Windows 7 (32bit)
4
votes
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 ...
4
votes
2answers
860 views

How to reduce VM size?

I have a Virtualbox VM, with a .vdi that is taking 49gb in the host machine. I may have used that much space inside the VM once, but now I'm only really using about 6gb. I tried this command for ...
4
votes
2answers
2k views

Use VirtualBox to access site on host from guest?

I'm running VirtualBox on a Mac (host), the VM i'm using is windows 7 (guest). VirtualBox is setup to use the NAT network adapter, and I'm able to get to the internet just fine (google, msn, ...
4
votes
2answers
2k views

Closing GUI Session While Running Virtual Mashine - Virtual Box

How could we close GUI session in virtual box without shutting down the virtual machine. I have a lot of Linux instances I only need to connect to one of them.
4
votes
4answers
8k views

Is it possible to export a VirtualBox drive to a “real” hard drive?

I have a Windows 7 VM on my Mac OS X VirtualBox Host. The virtual drive is a dynamically-expanding with a limit of 20GB. Is it possible to export the .vdi virtual hard drive to a real, physical hard ...
4
votes
2answers
2k views

If I have a .vhd file, can it be used by Virtual PC 2007, VirtualBox, and Windows 7's Virtual PC?

If I have a .vhd file, can it be used by Virtual PC 2007, VirtualBox (open source), and Windows 7's Virtual PC (the newest Virtual PC)? Can you even run Virtual PC 2007 on a .vhd file, and then shut ...