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

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10
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332 views

Cannot reliably automate xrandr settings in Debian 7 on VirtualBox

Although there are several existing questions on the matter (from which the most helpful answer is this) and various threads on other forums, I cannot reliably set my xrandr settings in Debian 7 on ...
5
votes
0answers
313 views

Linux guest VM can't use host's OSX anyconnect VPN

I'm using cisco anyconnect to get into my work VPN, that on Mac OSX Lion. I created a Xubuntu 12.10 VM in virtualbox and I can navigate the web while connected to the VPN in the OSX host, but I have ...
4
votes
0answers
9k views

Use NVidia GPU from VirtualBox?

How do I make the VirtualBox guest use the NVidia graphics? Host setup: Windows 7 x64 NVidia Optimus In NVIDIA Control Panel, I explicitly selected High-performance NVIDIA processor for: ...
4
votes
0answers
466 views

VirtualBox Port Forward not working when Guest IP *IS* specified (while doc says opposite)

Trying to port forward from host (Mac OS X) 127.0.0.1:8282 -> guest (CentOS)'s 10.10.10.10:8080. Existing port forwards include 127.0.0.1:8181 and 9191 to guest without any IP specified (so whatever ...
4
votes
0answers
914 views

Is it possible to run Corona SDK on ReactOS or Wine?

I dumped Windows, I'm now using Xubuntu. Is it possible to run Corona SDK on Wine? On Corona forums, they say no, but I wounder how this guy did it? Is ZeroBrane a solution? What about ReactOS (or ...
4
votes
0answers
475 views

Mac 10.8 Guest Multiple Monitors in Virtualbox

I've done a bit of searching and cannot seem to find an answer to my question. I have Mac OS X Mountain Lion guest installed on a virtual machine using Virtual Box with a Windows 7 host. I've found ...
4
votes
0answers
423 views

Use Biztalk training kit on a Virtual machine

I have a Windows 7 Enterprise 64 bit laptop with 8 GB RAM. I am trying to get the Biztalk training kit() installed on a VM on this machine. I have used Oracle VirtualBox to create a windows 2008 64 ...
4
votes
0answers
985 views

Keyboard mapping issue in Virtualbox on Mac OS

I run Windows 7 as a VM in VirtualBox on my MacBook Air (using OS X 10.7). If I do not shutdown the VM but save its machine state. The keyboard will behave strangely after resuming. It seems the ...
4
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0answers
163 views

Win7 VirtualBox Server with TeamCity keeps BSODing

I'm testing out TeamCity with a small project (one checkin per day or so, small code base) on a Windows 7 VM in VirtualBox. I've had many successful VMs on this host, some of which were also Windows ...
4
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0answers
571 views

Optimize Mac OS X Snow Leopard for Virtualbox host

I seem to work out of a Linux VirtualBox most of the time (portable USB SSD) on my Snow Leopard Macbook (~2008). How can I optimize Snow Leopard to be an optimal VirtualBox host? I don't mind reducing ...
3
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0answers
454 views

Extreme mouse lag in Starcraft I using VirtualBox Mac Host, Windows 7 Guest

I've installed virtual box on my new MacBook Pro and I'm hosting a Windows 7 instance. Everything works very smoothly. However, I've installed the original Starcraft (yes, 1995! It's 20 years old!) ...
3
votes
0answers
4k views

Why is virtualbox networking using virtio slow (bridged and host-only, Debian)

I'm currently installing a VirtualBox Server using Debian for Host and Client. I experience some trouble regarding network performance and CPU load especially using host-only networks and I've no idea ...
3
votes
0answers
2k views

why can't I create directories in virtual box shared folder? Windows 7 host, arch linux guest

I'm mounting a shared folder in an arch linux guest on a windows 7 host in Virtual Box. The shared folder's filesystem is ext3 and is mounted in windows 7 with Ext2Fsd. I mount the shared folder at ...
3
votes
0answers
2k views

How to prevent VirtualBox VM crashing into “Aborted” when resuming it from a snapshot with running OpenGL application inside?

When I try snapshot/restore-state in VirtualBox 4.0.4, it works. Hovewer, if I try restoring snapshot when some OpenGL-enabled application is running inside VM, VM crashes immediately after starting. ...
3
votes
0answers
2k views

How do I make VirtualBox's vboxnet interface show up in the OS X network configuration GUI?

I'm willing to do any amount of frobbing of settings in .plist and .xml files to make this work. The scenario is this: I have a nice Android based phone. The phone can do USB tethering. OS X 10.6 ...
2
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0answers
18 views

Virtual Box OSX host, Windows 7 Guest Host-Only Network appears as Unidentified network

I'm trying to set up communication between my guest Windows 7 and host OSX machines. I have virtualbox configured with a vboxnet0 Host-only network with the following settings: IPv4 Address: ...
2
votes
0answers
156 views

Virtualbox can't detect any network adapter after upgrade windows 10

I install virtualbox 5.0 in Windows 8.1 and running smoothly, but after I upgraded to Windows 10 my virtualbox could not detect any network adapter. I've tried to reinstall virtualbox with this way ...
2
votes
0answers
21 views

Mount USB-Device (Printer) per Script on Ubuntu 14.04 Virtual Box 4.33

We have ubuntu 14.04 with Windows7 on the Virtual Box 4.33 running. As the USB-Printer is mounted at the host or the guest and there seems to be no solution to make it on both available, now my ...
2
votes
0answers
50 views

VirtualBox networking (inception computing)

I am new to world of networking and now I am trying to connect 3 PC`s together. I have windows 7 host that runs Ubuntu64-bit server guest, that runs ubuntu32 server guest. Win7- Host Only network ...
2
votes
0answers
36 views

Trying To Run a VM On Ubuntu 14.04 LTS

I cant seem to run a VM on Ubuntu 14.04 LTS, virtual box is reporting "Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITEABLE)." I have tried all the fixes I could see on the bug reporting page of ...
2
votes
0answers
149 views

VBoxService not starting in Windows 10

Managed to get Windows 10 running as a VirtualBox guest on Linux fine. However the 'Guest Additions Service' VBoxService will not start and there is no additional info in the Windows Event Logs. ...
2
votes
0answers
126 views

OSX: Locking in vagrant with Ubuntu guest using NFS doesn't work

On OSX 10.10.3 using VirtualBox 4.3.26 and vagrant 1.7.2 when using NFS for the shared folder in a Ubuntu 14.04 LTS guest, PHP application ins the guest trying to use LOCK_EX on the shared folder ...
2
votes
0answers
30 views

Allow device usage only in VirtualBox

I have an USB device, and I want to connect it to VirtualBox, but I don't want to allow any usage of this device on the host machine - it should only forward the device to the guest. How to do this?
2
votes
0answers
75 views

How to recover from bad VBox Guest Additions build?

I'm using Ubuntu 14.04 (fully patched). Last week, the kernel took an update. So I [virtually] inserted the VBox Guest Additions CD and then proceeded to build it. I don't recall having any problems. ...
2
votes
0answers
64 views

Using Virtual Box to install Ubuntu Server 14.04 on an external hard drive

I'm trying to install Ubuntu 14.04 onto a server hard drive. The server machine I have only supports booting to CD/DVD, not USB. When I've tried burning the Ubuntu 14.04 installer to a DVD for ...
2
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0answers
94 views

oracle virtualbox problems in setup

I have windows 8 pro I was trying to install oracle virtualbox Version 4.3.12. for the genymotion emulator . While installing the installation bar goes till copying files and then suddenly it appears ...
2
votes
0answers
608 views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
2
votes
0answers
142 views

VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
2
votes
0answers
2k views

Connect geny motion emulator to the internet

i have an adsl modem and a broadband connection I have set up my emulator as mentioned in this post like so: ...
2
votes
0answers
102 views

Cannot connect to the server through host machine that I created in guest machine in Linux Mint

Using virtualbox I am running a server on Linux-Mint(guest) and client machine is windows-8 (host). When I try to connect to the server (which looks like http://169.254.158.126:8080) from windows-8, ...
2
votes
0answers
68 views

Debian 7 vs Ubuntu Server 14.04 for 32-bit VM “network nodes”

I plan to make a number of small VM's (virtualbox) that will serve as networking nodes for various VPS servers, local appliances, private domain servers (AD), and various other web services provided ...
2
votes
0answers
1k views

Install Windows 8.1 in virtualbox from a recovery partition?

How can I access/boot a/via a specific partition (in this case, the Lenovo Recovery partition) when starting a virtual machine which should become a Windows 8.1 OS? Original Disk Layout The ThinkPad ...
2
votes
0answers
143 views

Removed VirtualBox DHCP still offers addresses. Why? How can I make it stop?

I have VirtualBox installed on a Windows 8 host. I was using the VirtualBox DHCP server for a while, but now I'm trying to switch over to a DHCP server installed on one of the guests. The VirtualBox ...
2
votes
0answers
390 views

Is there a list of keys and values for VBoxManage setextradata subcommand?

The setextradata subcommand of VBoxManage tool of VirtualBox 4.3.12 (and others) provides a lot of useful tweaks and even esential features, like activation of symbolic links with VBoxManage ...
2
votes
0answers
2k views

How can I connect integrated webcam with virtualbox

I am trying to use a Windows XP VM for VirtualBox on my Windows 8.1 laptop. I have tried the usual attaching USB device but I get an error saying "USB device is busy with previous request". My webcam ...
2
votes
0answers
198 views

Behaviour of Caps-lock in Linux on VirtualBox, OSX Host

I'm running Ubuntu under virtualbox on a MacBook Pro and I'm trying to remap the Caps-Lock key to mod3 so I can use it as a replacement for the Alt key in Xmonad. I can remap the keysyms but the ...
2
votes
0answers
252 views

Change number of CPUs in VirtualBox is disabled

I'm using virtualbox with Kali and it's working fine, however I currently only have it using 1 cpu and I'd like to add more. However when I go to Settings → System → Processor the fields ...
2
votes
0answers
678 views

Does VirtualBox support guest hibernation?

Currently I am experimenting with hiberfil.sys file on Windows 7 and to not break my major system, I decided to install Win7 in VirtualBox. As turned out, hibernation is disabled and cannot be enabled ...
2
votes
0answers
1k views

Trouble setting up more than 4 network adapters in VirtualBox (XP Guest)

I've been trying to setup the 8 network adapters that VirtualBox is supposed to support, through the command line. I need them as bridged networks (because I use them to forward ports from a server ...
2
votes
0answers
715 views

Putty- Incoming packet was garbled on decryption

I am using putty (v 0.60) to connect virtualbox(v 4.2.16) CentOS. But i am getting the error "Incoming packet was garbled on decryption". When i connect to virtual box IP by SSH its asking me to ...
2
votes
0answers
42 views

Can't access virtual machine after plugging ethernet cable

I have VirtualBox installed. My OS is Ubuntu 13.10. I configured a host only network at 192.168.56.1. I have 2 machines the first 192.168.56.20 the other 192.168.56.21. Everything worked fine before ...
2
votes
0answers
1k views

VirtualBox suddenly disabled auto-resize guest display

I've been using VirtualBox on a Windows 7 host for school for several weeks now. Suddenly today, my Ubuntu box locked up - I shut it down and rebooted, and now my screen isn't resizing as it should. ...
2
votes
0answers
156 views

VirtualBox error with Ubuntu virtual machine

I am trying to work on a coding project and cannot open my Ubuntu virtual machine with Oracle VM VirtualBox. I took a snapshot yesterday at about 11, and it was working fine. Several times I closed ...
2
votes
0answers
518 views

Dual Boot and Virtualize the Same Partition- Kali Linux in Windows 8

I am trying to virtualize an existing partition, as detailed in this article, as described here in the VirtualBox manual. The Kali install is on a logical partition on the same disk as my Windows ...
2
votes
0answers
144 views

Extracting blocks from a corrupt VDI snapshot in logical order

I have a Virtualbox VM on an hard disk that failed. The only thing I could recover from the disk was a snapshot of the dynamic VDI disk used by the VM, and I could only recover the first half of the ...
2
votes
0answers
598 views

Trying to install Fedora 20 as a Oracle Virtual Box VM ; Installer launches to black screen

I'm trying to install Fedora 20 as a Oracle VM Virtual Box; shortly after the installer launches it just goes to a black screen. My machine is running Windows 7 and the Virtual Box install is the ...
2
votes
0answers
3k views

Ubuntu 13.10 is very slow under VMware / VirtualBox running in a Windows 8.1 host

I am the recent owner of a new Levono Yoga 2. The specs of this are: 4th Generation Intel Core i7-4500U Processor (1.80GHz 1600MHz 4MB) Intel® HD Graphics 4400 8.0GB PC3-12800 DDR3L SDRAM 1600 MHz ...
2
votes
0answers
462 views

How to Create a Filesystem on Dynamic-sized Virtual Drive - VirtualBox on Windows 7 Host, Ubuntu Guest

Moved here from StackOverflow I made my VirtualBox (4.3.0) Ubuntu VM (on Win 7 host) too small. I have the choice of enlarging the virtual disk (all I read makes that sound dangerous and complicated) ...
2
votes
0answers
277 views

NumPy Matplotlib install error: ftheader.h: No such file or directory (Fedora/RHEL)

When I am trying to build matplotlib-1.3.1, I am getting the below freetype header errors. Probably it is not finding the ftheader.h Any idea on how to solve this problem. NOTE: I just installed ...
2
votes
0answers
289 views

disconnecting from Juniper Network Connect VPN on OS X VirtualBox WIndows7 guest fries network

BACKSTORY: Every time I disconnect from my Juniper Network Connect VPN (when running the client on the guest), I get a yellow flag on the network icon in the system notification area of my toolbar in ...