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

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VirtualBox shared folder write permission - Ubuntu 12.04

I'm using the following command to mount my folder in VirtualBox: sudo \mount -t vboxsf -o rw -o uid=1000 -o gid=1000 Dropbox ~/Dropbox/ However, the folder is read-only. I re-installed Guest ...
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How compatible are VMWare and VirtualBox?

At my workplace, everyone uses VMware Player (and some people have licenses for Workstation). We frequently share VMs to save time on development setup. However, I would really like to take advantage ...
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dual monitor linux guest in virtualbox

I read that the newer VirtualBox supports Linux guests with dual monitors. I'm able to get two monitors to start when I start my Arch VM, but I cannot get Xorg to span to the 2nd monitor. They ...
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1answer
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Slow speed with shared folders in VirtualBox

I'm using VirtualBox 3 on my Ubuntu 9.04 desktop, and I've got a VM with Windows XP sp3 mapping my ~/Documents folder as a shared folder. The virtualised Windows is mapping My Documents to the shared ...
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How to Maintain a small differential Virtualbox hard drive

I am trying to use a virtualbox hard drive over several computers using dropbox (a popular cloud tool) synchronization. I assume no two machines will open the same drive at the same time. To reduce ...
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How can I lower the resolution on Windows 7 boot & login screen?

This may be an odd question to ask because usually it's the other way around. The reason to why I want to do this is because I want to use Windows 7 on Virtual Box in seamless mode, and I don't need ...
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Can I “branch” VirtualBox snapshots (base multiple VM on the same disk image + separate diffs)?

I keep multiple VirtualBoxes for different projects. They are all running the same Debian base system. Keeping complete copies of all the disk images is getting expensive. Is there a way that I can ...
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Multiple monitors with virtual machine

Is it possible to use multiple monitors with Windows Virtual PC 2007? If not, are there any other virtual machines that do support multiple monitors?
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How to install OSX into VirtualBox on a Macbook Air using Apple's Reinstall USB

I'm currently dual-booting OSX and Ubuntu on my Macbook Air, but it'd be nice to run OSX within Ubuntu via VirtualBox. This seems possible using VirtualBox and is legal - there's even a post on an ...
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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 ...
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2answers
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x64 Hardware Virtualisation support not detected on Windows 8.1

I get the following error (and yes I know this has been reported many times, but please read further): VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit guest will fail to ...
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7answers
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VirtualBox bidirectional clipboard sharing stops working after some time

Clipboard sharing starts working fine, but it stops working after some time (until I reboot the machine). From what I understand sometimes the guest additions stop working. I read that I should see ...
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Windows Virtual Machines will not run

I'm trying to setup a few virtual machines to use for testing websites in the various old versions of IE. I had Microsoft Virtual PC working on an older machine using XP mode and 2 other VHD's from ...
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5answers
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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 ...
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3answers
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How to temporary turn off seamless mode of VirtualBox?

I use Deskpin to nailed the virtual machine to be on top by using hotkey Ctrl-F12. But in seamless mode, I cannot do that since every time I click the guest machine's window, the mouse go inside the ...
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1answer
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VirtualBox - reduce max-size of dynamic .vdi hard disk

I'm trying to reduce the maximum capacity of a .vdi file (hard disk) for one of my VMs. I set it as dynamically-allocated with a maximum capacity of 25GB. I want to reduce this to 10GB. NOTE: I do ...
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2answers
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Are virtual machines performant enough to be a primary workstation?

I have a MacBook Pro through my employer, but I prefer to spent most of my day in Linux. Will running Linux in a virtual machine (e.g. VirtualBox) in full-screen mode be enough slower than running it ...
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4answers
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How should I virtualise my workstation?

Soon my fancy new 120GB SSD will arrive for my laptop workstation I use for PHP development and other misc tasks. I really don't want to bog it down with heaps of software, so my current plan is to ...
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Can I install Windows 7 64 bit on VirtualBox running on a Windows 7 32 bit OS?

Is it possible to install Windows 7 64 bit on VirtualBox running on Windows 7 32 bit?
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can a VirtualBox VM run on different hardware?

I have created a VM using VirtualBox on 'A' hardware configuration. Can I expect correct working of this VM if I copy the VM hard drive image and use it on a different hardware configuration 'B'?
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Virtualbox No suitable module for running kernel found

I use remote machine ubuntu 12.04 (console only) Distributor ID: Ubuntu Description: Ubuntu 12.04.4 LTS i have some strange kernel uname -a Linux 2.6.38.2-grsec-xxxx-grs-ipv6-64 #1 SMP Fri Apr ...
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VirtualBox: VPN networking test environment

I want to setup VirtualBox instances of Ubuntu guest to make a VPN test network. The host is Windows 7 Ultimate. My hope is to setup a VirtualBox instance which represents a gateway for the test ...
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Premade Virtualbox images

Long story short, I am trying to find a pre-made Linux development environment for VirtualBox so I don't have to worry about installing a distro, getting all packages installed, and so forth, since ...
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How can I cause a VirtualBox VM (running Ubuntu) to run a command upon resuming its state?

I am running a few Ubuntu VMs on a MacBook Pro host. Whenever I pause a VM or save its state to disk, the next time I restart it, the system clock goes out of sync. Is there a way for the VM to know ...
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3answers
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Bridged vs. NAT: a Virtualbox and VMWare Comparison

I installed VMWare Workstation 7.1.x and Virtualbox 4.0.8 on two different hosts, so I could compare. I set the virtual network adapter on both to NAT, which was successful for both. The result: ...
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exporting a virtualbox VDI to a harddrive to boot it natively

I have a VirtualBox 3.1.2 image of Debian 5.0.2 running on Windows XP SP3. I would like to export that Debian image to a USB harddrive such that I could boot to that drive and run it natively. Is that ...
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How to map host PCI device to virtualbox?

In a virtual box it is possible to map host's USB device. But is it not possible to map host's PCI device to guest system? How is it possible to connect (map) a PCI device to guest OS? Our host ...
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3answers
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Virtualbox 3.0 is very slow, any way to fix it?

I upgraded to Virtualbox 3.0 and then 3.0.2. I use Vista as a host and Ubuntu as the guest. In Virtualbox 2.0 I was able to run Ubuntu with standard desktop effects. After upgrading I noticed that ...
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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 ...
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1answer
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VirtualBox Ubuntu VM doesn't automatically sync time with host even with Guest Additions installed

I'm running a Ubuntu VM with VirtualBox and I have both the dkms and virtualbox-guest-additions packages installed. I read in this answer that the system clock should sync with the host automatically ...
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Network adapters in Virtualbox virtual machines

When setting up a virtual machine with Virtualbox, in the Network configuration section it is possible to select from various emulated adapters: The default one, automatically selected at the VM ...
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Wireshark cannot see traffic from a VirtualBox guest on Windows 7

I have been trying to use Wireshark to capture some traffic that comes from a virtual machine. The setup is: Windows 7 host Ubuntu guest VirtualBox 4 I send some packets from the guest to the ...
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Is using a Virtual PC on a RAM DISK super fast? (putting the .vhd file in a RAM DISK)

I wonder how or if any one tried to create a RAM DISK, and then put the 2GB (or sometimes 1.2GB) .vhd file into it, and then run the virtual PC using this image. It should be running super fast, as ...
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3answers
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How to authenticate to a VM using Vagrant up?

Authentication failure during Vagrant Up, while vagrant ssh and ssh vagrant@localhost -p2222 works I would like to execute a shell script using Vagrant at boot. Vagrant is unable to Authenticate, ...
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1answer
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Vagrant VirtualBox VM is initializing new instead of loading the existing VM after VagrantFile change

I setup a Vagrant Ubuntu 12.04 box (VirtualBox as the provider) on Windows and it's been working great for the past few months. Yesterday, I added another forwarded port to the VagrantFile and did ...
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1answer
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Convert VirtualBox dynamic VDI disk image to static, fixed VDI

I've originally created my VDI to auto-expand to 20GB of virtual capacity. For performance reasons, I would like to convert them to linear, that is, to have a single, non-sparse, 20GB file sitting on ...
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1answer
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Boot from a VHD created by VirtualBox

I have used VirtualBox to create a VM, and installed the latest Windows 8 Consumer Preview on it. I have a .VHD file with the OS installed. I am wondering, since Windows 7 supports boot from a VHD ...
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1answer
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Can I move a VirtualBox vdi from Windows to OS X?

I have a Windows 7 machine with VirtualBox 4+ installed. It runs a couple of virtual machines (Windows XP, Ubuntu, ...) and some of them have a few shared drives (No two machines with shared drives ...
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2answers
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Ubuntu on Oracle VirtualBox: Shared folders

I looked at this question, but it didn't help. I'm running Windows 7 as a host with Ubuntu 10.10 as a guest with VBox 4.0. I want to have a shared directory between the two. I have installed Guest ...
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3answers
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Cannot run setups from a vboxsvr mapped network drive on Windows within VirtualBox

I'm trying to run an application setup by double-clicking the setup.exe from within Windows Explorer. The file is located on a mapped network drive, and I'm using Windows 7. This results in the ...
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3answers
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What is the world's smallest-footprint LAMP stack? [closed]

What is the world's absolute smallest known VMWare/VirtualBox image supporting basic Apache/PHP/MySQL functionality? Before or after compression.
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Setting up networking on Virtualbox Guest to access Host VPN

Im trying to get this setup going but am having quite a bit of trouble. Host OS: Windows 8 64bit Guest OS: CentOS 6.5 64bit I'm using the Cisco VPN Client on my host to connect to a number of ...
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2answers
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Windows 8 Screen Resolution in VirtualBox [duplicate]

Possible Duplicate: How to add a display mode to a VirtualBox VM? I am using VirtualBox to run windows 8 while I test it out. All of my other virtual machines (i.e. Windows XP a Ubuntu) ...
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4answers
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How to transfer files from Host OS to guest OS running on VirtualBox?

I am trying to transfer files from my Host OS (Windows 7) to Guest OS (CentOS) running on VirtualBox. I tried using pscp but it gives the error: More than one remote source not supported I tried ...
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What are the differences between OVF-Version 0.9, 1.0 and 2.0?

I have Virtualbox 4.3 and want to export different VMs because I'm recover my computer. When I want to export a VM I can choose between OVF-Format-Version 0.9; 1.0; 2.0 But what are the differences ...
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1answer
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Using Windows as a VirtualBox Host, how I can get AltGr behavior on linux guest?

I'm having an issue using a keyboard which is not an English US keyboard. It seems that when it's the case, pressing AltGr key will simulate CTRL + ALT on Windows. I have verified that fact using ...
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Linux Virtual Machine runs Slow depending on the Network

At work I use a VM running Linux Mint 13 under Oracle VM VirtualBox 4.2.16 on a Windows7 machine. The laptop is connected to a network cable and the wireless connection is turned off. The network ...
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1answer
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Traffic between VirtualBox guests not showing up in tcpdump

I have a test environment setup with 4 VirtualBox guests running CentOS 6. Each has one network device attached to a bridged adapter, which is my primary network connection on my PC, with a static IP ...
6
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1answer
880 views

Installing Windows 8 Dev Preview on a Macbook Pro

Is it possible to install Windows 8 Developer Preview on a Macbook Pro. I'm trying to do this using the WindowsDeveloperPreview-64bit-English-Developer.iso file with VirtualBox but fail during the ...
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3answers
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Issue with VirtualBox USB passthrough

I have Backtrack 5 R3 setup as a guest OS in VirtualBox. When i try running my USB wireless card, the Alfa AWUS036NHA with the AR9271 chipset, I see this error. ath9k_htc 1-1:1.0: ath9k_htc: ...