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

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107 views

Android on Virtual box RESET every time i boot

I have Virtual box 4.3.6 installed on my pc and I have done all things correctly in order to run Android Jelly Bean and KitKat (4.2.2 & 4.4). All things are right and after full installation of ...
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43 views

File Allocation for VM

I'm running Kali Linux as a virtual machine inside Oracle's Virtualbox. I've allocated 40GB of hard drive space, file type: VirtualBox Disk Image; Dynamicallly Allocated. On the VM it is showing the ...
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213 views

How can I work out why my headless VirtualBox VM is not booting?

I have an Ubuntu Server, upon which I am trying to run a headless VM (Ubuntu Server as the guest OS) with Virtualbox. The machine apparently starts up but I cannot ssh into it (though it should be ...
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244 views

VirtualBox port forwarding not working (HTTP: no, ssh: yes)

I have VirtualBox 4.3.26(newest as for now) in Win7, and a guest CentOS7. I enabled port forwarding for SSH and HTTP I can ssh into guest from host use putty by ssh 127.0.0.1:2222, but I cannot ...
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502 views

virtual box 4.3 installation error in windows 10 technical preview

When I try to install oracle virtual box in windows 10 technical preview, it smoothly till it gets to the point where it starts to roll back and then shows something like "Virtualbox ended prematurely"...
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328 views

Setting up our existing Vagrant / VirtualBox instance to use VPN when not in the office

I'm currently trying to edit our existing Vagrant / VirtualBox image so that when users aren't within our office network they connect through their OpenVPN connection on the host computer. After ...
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476 views

Increase screen resolution in VirtualBox guest without VirtualBox guest additions?

Without VirtualBox guest additions installed, the only screen resolution is 640x480: $ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 640 x 480, ...
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1k views

Virtualbox Failed to load VMMR0.r0 (VERR_LDR_MISMATCH_NATIVE)

Computer got hard rebooted with an active guest and ever since I cannot get VB to work. Reinstall, uninstall, scrounge every VB file I can find on the hd and delete, clean update to new version. To be ...
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91 views

Guest Additions for Ubuntu Server guest on Windows 7 Host

At the very outset, I am a complete newbie to Virtual Box and Vagrant. I have tried finding an answer everywhere, but I am not sure I am on the right track! Any help will be appreciated! My host is ...
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415 views

Vagrant ssh fails — after cloning the box with vagrant package

i've set up a first Vagrant box for python dev that works very well. I can vagrant ssh in that original box without issue. Trouble start when i try to create a copy of that box (with vagrant package),...
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81 views

VirtualBox: create a serial port bridge to the same VM

I'd like to make a bridge between Serial Port 1 and Serial Port 2 on a VM. Practically this would route all data from VM Serial Port 1 back to VM Serial Port 2 so that an application listening on ...
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30 views

Connect 2 physical machine drops Internet connection

I have 2 physical machines, with 2 VM on the first physical. I have been trying to connect 2 physical machines via RJ45 and give internet to the "lan" via NATting RNDIS on one VM (gateway) and routing ...
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750 views

Win7 pegging CPU at 100% from wuauserv - why?

I've used Win7 as a guest with an Ubuntu host in VirtualBox for 5+ years now. Recently, either a VirtualBox update or Win7 update has caused it to peg the CPU at 100% for hours, every time I boot it. ...
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291 views

Share a VirtualBox guest machine folder with host machine

My question is simular to this question. Since the question was asked years ago, virtualbox development has changed owners. In my case I have windows 8.1 running a windows 8.1 vm. Is there a way to ...
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338 views

How to run VMWare and VirtualBox on OSX with Bridged Networking

So here's the issue. I'm running OSX Mavericks as host OS. I've had VirtualBox for a while, and I typically use bridged networking for the VMs I run on Vbox. Had no problems there. I recently ...
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16 views

Ubuntu 10.04 task-bar content not right aligned in virtual box

I installed Ubuntu 10.04 in VirtualBox. I installed the guest additions. My display resolution is set to 1920x1080 For some reason, my task-bar content doesn't right align. Have a look at the ...
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16 views

How to use VirtualBox on raw disk where I have my system

I have a dualboot on the same physical drive, but not on the same partition. In windows, I'd like to use virtualbox to boot on linux, like that: VBoxManage internalcommands createrawvmdk -filename ".....
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306 views

Genymotion resets VirtualBox networking to “Host-only Ethernet Adapter”

After some (VMWare) deinstallations Genymotion virtual machine can't access Internet. In VirtualBox networking settings there is "VirtualBox Host-only Ethernet adapter set". Ok, I change the adapter ...
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688 views

Can't install Guest Additions Ubuntu 14 in Vagrant

I am trying to install the Guest Additions in Ubuntu 14, but I always get an error when install Virtual box guest additions. I have installed all the headers. Can anyone point we to what it could be ...
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262 views

CD/DVD drive not found in VirtualBox Windows 7 guest / Ubuntu host

I'm trying to install Windows 7 in VirtualBox to try an Spanish Version for a customer. I'm using an ISO file with the Windows 7 image. After the machine is done loading the installation files, I get ...
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958 views

virtualbox windows 10 guest stuck at low resolution on ubuntu host

I am running Ubuntu 14.04 as a host and Windows 10 as a guest in Virtual Box. I used Windows 8.1 as the operating system type when I set up the box. Windows 10 runs fine. I was able to install Guest ...
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2k views

Use Genymotion/Andy without Host-Only Network Adapter?

Genymotion and Andy require Virtualbox Host-Only Network Adapter, however my computer is unable to install the driver correctly. Note that Android x86 works well with default NAT network settings. ...
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95 views

Unable to Scroll In Arch Virtual Machine Running Gnome Shell

In my Arch VM (on VirtualBox), I cannot scroll in any program. System: Windows 10 with VirtualBox v4.3.20, r96997 Razor Deathadder Chroma mouse The VM is Arch Linux 64-bit, running gnome-shell ...
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1k views

How to enable built in bluetooth in VirtualBox

I have a laptop with built in Bluetooth, Ubuntu OS and a Virtual Box. I've created a Windows 7 Virtual Machine. How can I access Bluetooth from it?
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136 views

Virtualbox installation in SLES11 SP2

Trying to install virtualbox in SLES11 SP2 Downlaod the source rpm from https://www.virtualbox.org/wiki/Linux_Downloads Installed it like rpm -ivh VirtualBox-4.3-4.3.20_96996_sles11.0-1.x86_64.rpm ...
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831 views

Mouse pointer in Android-x86 inside Oracle Virtual Box

Is it possible to see normal mouse operation in Android-x86 inside Oracle Virtual Box? There are few apparent options for mouse, but neither work well I can't find "Mouse Integration" option as ...
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60 views

Files on the virtual box hard drive disappeared, how can I get them back?

I have virtual box hosting arch linux. My Windows system crashed so I reinstalled Windows and everything on C: drive is gone. The virtual hard disk VDI file is on a external hard disk so it is kept. I ...
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171 views

how do I set widescreen 16:9 lubuntu on virtualbox windows 8 host?

I use the just realesed VirtuBox 4.3.20 on a Windows 8 64-bit. Guest additions installed. I just installed the last version of lubuntu but I can't set the widescreen resolution. In the monitor ...
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200 views

Debian network problems in Virtualbox

I have virtualbox 4.3.20 (win 7 x64) and debian 7.7 stable wheezy installed on my computer. My network settings for VB are: Attached to bridged adapter, promiscous mode deny My problems is that ...
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121 views

How to handle VirtualBox images from different account in Windows?

In Windows7 I seem to have a problem with VBoxManage when I am trying to clone a virtual image. In the user's account it is no problem to run the command on the command prompt, but a different user ...
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142 views

VirtualBox write-through drive not working on Ubuntu

I have a VirtualBox VM with Ubuntu installed on normal VDI, and I added another write-through VDI so that I could keep my code intact when I switch between different system snapshots which I use for ...
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137 views

CentOs stopped working after update in VirtualBox

I recently updated my OS to centOs 6.4 in virtual box. Before update I had guest additions installed and everything worked fine. The screen resolution all was fine. After update to 6.6, the OS stopped ...
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294 views

Allow LAN users to access my VirtualBox using NAT+Port Forward?

I have a VirtualBox setup with Ubuntu + LAMP with OpenSSH. I’d like my colleagues to access services on it—such as ftp, http, ssh…—through the LAN. I can’t setup the VirtualBox via network bridging ...
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393 views

Capture network traffic between VM's Virtualbox using Wireshark

I'm trying to capture all network traffic between VMs (and in the VMs to themselves) running on a single host using Virtualbox for the VMs and Wireshark for the capturing. VMs are Ubuntu 14.04 and the ...
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80 views

Mac OS X crahes during format USB to MBR, Mac Journalized in virtualbox

I am using OS X Yosemite in Virtualbox on Windows 8. The problem is when I try to format (1 Partition, Mac OS Extended (Journaled) and Master Boot Record) it crashes. What should I do?
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45 views

Virtualbox guest state not restoring properly?

Running Windows 8 host. NOT Windows 8.1. Running Ubuntu Desktop 14.04 LTS guest. Guest has 64MB Video memory, 3GB RAM, 3 processors at a cap of 90%, 3D acceleration, guest additions, and a 64 bit ...
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92 views

VirtualBox inaccessible

The following issue is stopping me from working in VirtualBox. I cannot start it, as you can see per image. The file VBoxGuestAdditions.iso is in the correct folder and does exist/is accessible. I ...
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515 views

VT-x/AMD-V hardware acceleration is not available - Windows 7 VirtualBox

I'm trying to run a Mavericks virtual machine on my Windows 7 PC using VirtualBox. However, every time I try to run it, it gives me the error message: VT-x/AMD-V hardware acceleration is not ...
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131 views

Route all packets on port 80 from inside a vm to kali linux on another vm

I'm trying to route all packets on port 80 to kali linux so that I can ssl strip them but I cannot see to setup the iptables correctly to force all the packets to go to my other Vm. [ Virtual Machine ...
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63 views

Windows 8 Installation on VirtualBox Driver Issue

I am trying to install Windows 8 from an ISO on VirtualBox 4.2.13 (on Win 7). After I click install, It starts processing before showing a message that it can't find some drivers. What drivers could ...
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78 views

How to paste text from clipboard to the cygwin shell in VirtualBox VM running on OSX?

I have installed a copy of cygwin in a Windows Server 2012 which is hosted in a VirtualBox VM. The new cygwin terminal is not a simple DOS prompt anymore. From the option I will need to use Ctrl/...
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471 views

Convert Windows 8 VirtualBox to Bootcamp Partition

I have installed Windows 8 as a Virtual Machine in Virtual Box a while ago. For performance reasons, I want to create a bootcamp partition from the VDI to avoid re-installation. Is this possible? And ...
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3k views

Copy/paste and drag/drop does not work from host to guest in Ubuntu Virtual Box

I have just set up Ubuntu 12.04 in a VirtualBox (v. 4.3.15) under windows 7 host. I set clipboard and drag-and-drop to be directional. I can copy and paste from the Ubuntu to the windows side. ...
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94 views

System ERASED 2000 files suddenly without any user action. Can recover part of it but some files of importance are corrupted

On a Virtualbox WIN XP SP3 guest machine, the following situation occurred While I was working I had 3 opened windows as usual - Browser, notepad for writing notes in a txt file, and a PDF (thats ...
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311 views

Fedora 20 guest shutdown does not close the VirtualBox window

I have a Fedora 20 guest OS in VirtualBox, and when I shut it down, it shows the usual shutdown screen, followed by "system halted". Nothing else happens, the VirtualBox window does not close ...
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205 views

Virtualbox Guest keyboard not inheriting Host keymap

I have a MAC OS/X host system running a Xubuntu as guest. In my MAC, in the shortcuts/key mappings, I chose to reverse the Command/CTRL keys (cause I use a PC keyboard and I'm used to it) The ...
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616 views

vagrant private_network with osx host/centos guest using virtualbox host-only networking

I cannot get host-only networking to work from host to guest or guest to host using e.g. ping, netcat or ssh. Sshing fails timing out. No packets are seen when starting wireshark on the host interface ...
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509 views

Can't delete a read-only file on a VirtualBox (Vagrant) shared folder between Ubuntu (guest) and Win7 (host)

I have Vagrant running Ubuntu as a guest OS, on top of a Windows 7 host. When working on the shared folder between guest and host, if a file is read-only it can't be deleted. For example: vagrant@...
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543 views

Can't access HTTPS resources with Ubuntu client and VirtualBox Windows host

I have VirtualBox 4.3.12 on Windows 8.1 running Ubuntu Trusty 32bit client. When I try to access HTTPS resources from the client, I see errors like: Cannot fetch index base URL https://pypi.python....
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582 views

Virtualbox Memory Overcommit

I need to run a VM appliance that wants access to more RAM than available on the physical host (16GB needed). I understand there are performance penalties, but I plan to run this VM as a background ...