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

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41
votes
3answers
65k views

VirtualBox Host ssh to Guest

I have a mac host, and a VirtualBox Linux guest, currently using Bridged mode. I need to be able to easily SSH into the guest from the host. It would be nice to use a hostname, but a never-changing ...
45
votes
3answers
34k views

Share VirtualBox folders in reverse? Guest-Host?

I'm familiar with the process of installing Guest Additions and sharing host folders with the guest, but is there a way to do the reverse? I have an XP host and Ubuntu 10.10 guest, with VBox 4.0.2. ...
35
votes
5answers
34k views

Ubuntu Server VM: copy paste?

I've installed Ubuntu Server under Virtualbox just to get a nice little shell. I've also installed the VirtualBox "Guest Additions" and set "Shared Clipboard: Bidirectional". I still can't seem to ...
54
votes
3answers
168k views

How do I press Ctrl+Alt+Delete in VirtualBox?

I'm running VirtualBox with Windows Vista as host OS and Windows Server 2008 as guest OS. To login to Windows Server I have to press Ctrl+Alt+Delete, but my host OS reacts on that so I can not send it ...
21
votes
3answers
12k 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 ...
10
votes
2answers
17k views

VirtualBox: How can I add (mount) a ISO image file from command-line?

There was before in VirtualBox command-line a command with this syntax: VBoxManage controlvm <VM> dvdattach <filename> So attaching (inserting) a CD/DVD was as easy as: VBoxManage ...
30
votes
12answers
103k views

How to open existing VMs in VirtualBox?

I recently got a new workstation and I moved my VirtualBox and VMWare Player VMs from the old PC to the new. The VMWare Player VMs are a snap: you go to “File -> Open a Virtual Machine…”, find the ....
19
votes
2answers
9k views

How to easily port VirtualBox machines?

I have used VMware for a long time. VMware saves all the information for one machine in one directory. This means it is easy to zip and copy. Now I switched to VirtualBox. VirtualBox seems to save ...
17
votes
3answers
53k views

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 ...
12
votes
2answers
30k views

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 ...
7
votes
2answers
11k views

VPN connection with VirtualBox

I am on a Windows PC running VirtualBox with Ubuntu installed. I have my networking setup as NAT. On my Windows PC, I am connected to a VPN, but I cannot access those VPN resources from VirtualBox (I ...
22
votes
3answers
66k views

VT-x/AMD-V hardware acceleration is not available on your system

While installing an OS, I am getting an error similar to: VT-x/AMD-V hardware acceleration is not available on your system. Certain guests (e.g. OS/2 and QNX) require this feature and will fail to ...
21
votes
3answers
6k views

Dedicated Mouse and Keyboard on VirtualBox VM

Currently I am trying to run VirtualBox on my second monitor, with a dedicated mouse and keyboard. However, doing so has not proven easy. There has been times where the mouse works, but not the ...
10
votes
2answers
54k views

mount gives unknown filesystem type 'vboxsf'

I'm getting an error message mount: unknown filesystem type 'vboxsf' when trying to mount a shared folder on my guest Ubuntu machine. I have a Windows 7 machine running 4.1.22V Oracle VM VirtualBox. ...
9
votes
2answers
10k views

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 ...
8
votes
2answers
8k views

How to correctly sync time in linux running as virtual guest after host resumes from hibernation?

I use multiple virtual boxes for development and correct time and date is important for me when I push git commits. I do not shut down my host - it runs for months without restarting. I only hibernate ...
5
votes
2answers
22k views

How do I convert a VirtualBox VDI file to a VMware vdmk?

I'm using VirtualBox 2.1.4 and want to convert a VDI file to load it in VMware Player (3.0.0 build-197124 on Vista Home Premium). I think I can change the VDI format to vmdk with a tool provided by ...
5
votes
3answers
8k 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 ...
3
votes
1answer
9k views

How to Use a Shared Folder in VirtualBox with AndroVM

I'm trying out AndroVM and cant figure out how to access a shraed folder with VirtualBox. The instructions say it needs to be called mysdcard, which I did. But I can't find it in the android. What do ...
2
votes
4answers
8k views

VirtualBox CPU usage 100% on host [closed]

I have installed VirtualBox 3.1.2 (latest) on my Windows 7 (x64). In the VirtualBox I've installed Windows 7 (x64). I have 4 GB RAM installed. The guest has been assigned a 1536 MB RAM. Sometimes the ...
15
votes
1answer
14k views

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 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...
5
votes
1answer
9k views

Running VirtualBox on a Windows 8.1 host

I have a Windows 8.1 Pro 64-bit machine, with an Intel Haswell i7 processor, and 8GB of RAM. I installed the latest VirtualBox (4.3.6) and I'm trying to install a Linux guest. I've tried several ...
4
votes
2answers
1k 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 ...
3
votes
3answers
23k views

VirtualBox Windows x64 Error 0xc000035a

I get this error when i try to install Windows server 2008 x64 via VirtualBox. Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: 1) Insert ...
2
votes
2answers
3k views

How do I create a wifi network bridge with qemu on OS X?

I grabbed a small FreeBSD live CD and QEMU, and I'm trying to bridge my Mac OS X 10.8 wifi connection so that the guest OS is available on my LAN. However, the guest OS never gets a DHCP lease. This ...
1
vote
1answer
5k views

Cannot setup PCI Passthrough for display adapter in VirtualBox

VirtualBox supports PCI Passthrough and I'm trying to attach my graphics card to the guest OS (host is Windows Server 2012 and guest is Windows 8.1 Professional - so they should both work with the ...
7
votes
2answers
6k views

installing on a physical drive with virtualbox/Windows

How can I install a guest system on a physical drive/partition in virtualbox running on a Windows host ?
6
votes
3answers
10k 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
2answers
7k views

How to run an encrypted virtual machine?

I wonder what is the best practice for storing the virtual machine encrypted. I tried putting the image it a TrueCrypt volume, but it doesn't work nicely: With the volume unmounted the VirtualBox ...
3
votes
3answers
5k views

Can I fix corrupted vmdk image? VERR_VD_VMDK_INVALID_HEADER

I suffered host crash when running guest OS with VirtualBox. Now the VM won't start and complain that: Could not open them medium '[file.vmdk]` VMDK: inconsistency between grain table and backup ...
2
votes
1answer
2k views

Connecting to host OS database from guest OS VirtualBox virtual machine

I’m using Pentaho BI server in a CentOS VirtualBox machine, and now I want to connect it to an SQL Server database that I am running in my Windows host OS (localhost). Is there a simple way to do ...
2
votes
2answers
9k views

fullscreen VirtualBox [duplicate]

Possible Duplicate: Screen resolution only displaying 800x600 in Xubuntu I recently created a virtual machine of Windows XP for a host computer running Mac OSX 10.6.8 However i find that the ...
2
votes
1answer
10k views

How to allocate more processor power to my (Ubuntu-based) Virtualbox system in Windows 7?

I have installed an 32-bit Ubuntu based Linux OS, Elementary, on a VirtualBox installed in Windows 7 (32 bit) , on a 64-bit laptop which has a 2-core Intel i3-2330 CPU @2.20Ghz, and 4GB RAM (2.45 ...
2
votes
2answers
3k views

Resolution Issues running Ubuntu on VirtualBox

I have an Ubuntu 9.04 guest running on a VirtualBox VM hosted by MacOS X Tiger. I'm trying to increase the screen resolution as the guest by default unfortunately supports only 800x600 and 640x480. I ...
2
votes
2answers
2k views

Creating VM in VirtualBox from existing Ubuntu installation

I already have Ubuntu set up as a dual boot with Windows 7 x64. Is there a way to install VirtualBox and create a virtual machine that points to the installed Ubuntu, so I don't have to reinstall ...
1
vote
2answers
37k views

Where can I download copies of a Windows XP ISO image with Internet Explorer 6 or Internet Explorer 7 for VirtualBox?

I have Windows 7 Professional hosting Ubuntu inside VirtualBox for my development machine. To test my site, I run Internet Explorer and hit my Ubuntu box. This works great for Internet ...
1
vote
1answer
320 views

What happen if I install VirtualBox Guest Additions on a host?

I have a bootable USB drive with Ubuntu installed. This morning I Installed VirtualBox and booted my Ubuntu drive in a VM. I then installed the guest additions in Ubuntu. My question/curiosity is, ...
10
votes
2answers
10k views

VirtualBox Windows XP has no local network

I’m trying to set up a Windows XP VirtualBox (with Oracle’s VirtualBox) yet it seems I don’t have drivers. In the guest Windows XP, the network section is empty, typing ipconfig in command prompt does ...
7
votes
6answers
59k views

VirtualBox Fatal: no bootable medium found! System Halted

I just download and then tried to add new virtual machine. But it gives me an error. I couldn't find the solution. it seems that VM can not find the OS. I do not know how to resolve. Error is: Fatal: ...
4
votes
3answers
10k views

In VirtualBox can't get max display resolution for guest OS

I'm using VirtualBox with Windows 7 as the guest OS. However the max resolution setting I can get in the control panel is only 1264x602. How can I get up to the full HD resolution that I have in the ...
4
votes
2answers
11k views

How to Install Virtualbox on Windows 10 host?

I am trying to install virtual box v4.3.28-100309 on a Windows 10 Host. The windows 10 insider preview installed is build 10130. When I try to install the virtualbox exe I am getting the following ...
3
votes
2answers
2k views

how to increase resolution of linux virtual box guest

I've got ubuntu installed on virtual box, on a windows7 host The default resolution for ubuntu is 800 x 600, how can I increase this? My windows7 resolution is high, this makes my virtual box ...
3
votes
2answers
24k views

Starting VirtualBox machines fails with “Unable to load R3 module … VBoxDD.DLL (VBoxDD)”

Starting any machine on VirtualBox 4.3.22 on Windows 7, is failing with the following errors: Failed to open a session for the virtual machine Kivy. Unable to load R3 module C:\Program Files\...
2
votes
1answer
5k views

How can I remove BIOS unknown password on HP 620 laptop

While installing a new virtual machine (Windows Server 2008 R2 x64) I got a message saying : This virtual machine is configured for 64-bit guest operating systems. However, 64-bit operation is not ...
2
votes
1answer
3k views

Bridged adapter in Virtual Box - cannot obtain IP

I have virtual box with RHEL installed. My virtual box is running on windows 7 64 -bit. I configured bridged connection, but when I am restarting network interfaces, I receive following error: ...
2
votes
2answers
2k views

Can a 64-bit OS run as a guest on a 64-bit VirtualBox host?

Is it possible to run a 64-bit OS as a guest on a 64-bit machine with VirtualBox? I'm guessing it should be, but I'd like to make sure. Do some virtualization technologies allow a single guest ...
2
votes
4answers
12k views

Use bootable vhd with Virtualbox

I want to create a bootable Windows 7 vhd using the steps mentioned at: http://www.microsoft.com/downloads/details.aspx?FamilyID=80ede31d-3509-407b-a896-0beea8705589&displaylang=en However, I ...
1
vote
2answers
3k views

Increase resolution to 4K in VMware or Virtualbox

I Have a laptop with 4K (3860x2160) Display , But here is a lot of dumba$$ problems.A lot of software's is not compatible with 4k resolution. Also VMware Workstation and VirtualBox doesn't support 4K ...
1
vote
0answers
58 views

point multiple ip address to hosting

I have centos server, earlier it had 1 ip [ a.b.c.d ] (external ip , eg., 141.101.114.59). Now, I bought 2 additional ip [b.c.d.e , f.g.h.i] (external ip , e.g, 190.93.244.58 , 130.93.245.8 ). I have ...
1
vote
1answer
7k views

Windows Admin Privileges Required After Install

I installed VirtualBox on Windows 7 from an EXE without admin privileges, but now I can't do the following unless I provide admin credentials on my system: Change/disable Host-only adapter installed ...