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

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2
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33 views

VirtualBox broke Fedora networking - how to fix it?

I was trying to install VirtualBox in my Fedora 21 machine. However, the cited machine has Secure Boot enabled and obviously VirtualBox startup failed miserably due to lack of signing in its modules. ...
0
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0answers
44 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 ...
-2
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1answer
51 views

Setting up complex network in VirtualBox

Prior to physically setting up a number of servers to run Linux, I would like to set it up in VirtualBox or similar software first. All of the instructions on setting this up don't explain how to do ...
0
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0answers
175 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 ...
0
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0answers
29 views

Host OS Connection problems after VIrtual Box Installation

I just installed Virtual Box in my Windows 8.1 PC, with Debian as the guest OS, and using NAT for internet connection. The problem is that after that, my Host OS has been having trouble connecting ...
0
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2answers
44 views

Oracle virtualbox not allowing than one CPU - Hardware virtualization not available

I have the following hardware configuration: Processor: AMD FX-8120 (Zambezi) Board: ASUS M5A88-M OS : Windows 8.1 RAM : 4GB DDR3 I installed Genymotion which created a virtual machine for ...
0
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1answer
57 views

Connect to Vagrant (VirtualBox VM) over local network

Hi I'm running a local webserver using vagrant virtual machine. I Normally set the following config line to private network which lets me connect from my host pc using the ip specified ...
0
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0answers
55 views

PC Not Booting After ACER Logo

My ACER Aspire E5-521-238Q running Windows 10 Build 9926 won't boot. I see the ACER: EXPLORE BEYOND LIMITS and the loading thing and then the PC is on, but has a black screen. When I press Alt + F10 ...
0
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0answers
31 views

Virtual Machine freeze when memory low

I run an Ubuntu 64bit virtual machine (4 CPUs, 8Gb ram, 1Gb swap) on my Windows 8 64bit machine using virtualbox. I often find that when I do something memory intensive (generally only using 1 or 2 ...
0
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0answers
13 views

Connecting to the Host and Internet from an Internal Network in VirtualBox

In order to simulate a network, I have 3 VMs set up in VirtualBox called VM1, VM2 and VM3. They each have 2 network interfaces all of which can ping the others at the moment. The Network interfaces ...
1
vote
1answer
60 views

Networking for CentOS 6.6 on VirtualBox

I have created 2 guests with 2 Network interfaces each - all 4 of which have the "Attached To:" set to "Internal Network". The aim is to create a simple internal network with no access to the Host ...
0
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0answers
30 views

Virtualbox switch from SATA to SCSI

I am trying to switch from using a SATA controller to using a SCSI controller (Porting VM to vSphere, no SATA support :( ) I removed the SATA controller, adding the SCSI controller, and connecting ...
0
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0answers
63 views

Windows 10 virtual machine disappears in seamless mode in Arch Linux

I have Arch Linux (64-bit) and I installed 32-bit Windows 10 in VirtualBox. Everything seems to work fine—fullscreen, scaled, etc…—except for seamless mode. When I activate seamless mode, the virtual ...
0
votes
1answer
90 views

Windows 10 technical Preview Key Not Working

I am trying to install Windows 10 technical preview on VirtualBox and it requires a product key. I used the default key NKJFK-GPHP7-G8C3J-P6JXR-HQRJR. It says it could not be verified. Any ideas? ...
0
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0answers
21 views

VirtualBox only creates new virtual hard disk when there is enough space on 'C' drive

There are >200GB free on my 'F' drive but it failed to create a fixed-size VHD with size = 200GB. Failed to create the hard disk storage C:\Users\abc\VirtualBox VMs\OSOS\OSOS.vhd. Could not ...
0
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0answers
56 views

Kali Linux Unable To Boot; Booting Kernel Failed Invalid Argument

I am trying to install Kali Linux on VirtualBox. After going to the Boot Menu when I press install or graphical install it goes to a screen and in the bottom says Booting Kernel Failed : Invalid ...
0
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0answers
219 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 ...
0
votes
1answer
29 views

How to reliably set up communication between the VirtualBox guest OS and host OS?

I have a VirtualBox (Windows 8 guest on a Windows 8 host) with NAT networking set up. I would like to set up the guest system to emit Growl messages that would be picked up by a service on the host. ...
0
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0answers
19 views

vagrant up from file schema is failed

I created vagrant box and put to windows file server. I do vagrant init and up.But vagrant up failed on windows command line bellow. Why failed? Vagrant do not deal with file url schema? ...
0
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0answers
24 views

Oracle VM VirtualBox Win 7 Data Recovery

So I'm running Oracle VM VirtualBox with a Build of Windows 7 Ultimate, and the virtual guest OS just crashed out of no where, and won't allow me to access my windows guest os. I wanted to know if ...
0
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0answers
29 views

VM crashing on installation in VirtualBox

Installing Ubuntu 12.04 server amd64 on VirtualBox 4.3.26 on OSX 10.10 I select the language then select the default install option, and, after a split second of text scrolling by, the whole VM ...
0
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0answers
35 views

Error installing Ubuntu on VirtualBox

I'm trying to install Ubuntu 14.04.2 (x86 and amd64, both fail) on VirtualBox 14.3.26 on OSX 10.10 and I'm getting the following error: [ 0.000000] Fast TSC calibration failed.] Strangely, I was ...
1
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2answers
106 views

Cannot resize screen for Ubuntu VM in VirtualBox

I installed Ubuntu 14.04 LTS amd64 desktop on VirtualBox 4.3.26 which is running on OSX10.10 (amd64) and the only option for screen resolution is 640x480. This resolution is found under the System ...
0
votes
1answer
26 views

How to zero out unused space on UFS filesystem?

I have a FreeBSD system installed in VirtualBox and i want to compact its vdi. AFAIK, before doing this i need to fill unused space with zeros so VirtualBox can shrink it. On Windows there is sdelete ...
0
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0answers
30 views

Can I recover files from a corrupt VirtualBox vhi file from a linux host?

I am running Fedora 21, with a Windows 7 guest running under VirtualBox. One of the data drives is going bad, according to smartctl - /var/log/messages/ has a number of messages along the lines of: ...
0
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1answer
36 views

Boot from Windows recovery image in VirtualBox

I moved from Windows 8.1 to openSUSE a while ago. Before doing so I made a full system backup image using the native Windows utility for it. Ultimately it created, amongst other things, 3 vhdx files ...
0
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0answers
12 views

How to get the entire log of a virtual machine where i am booting unix

To be very clear i want to read the console of a oracle virtual machine where unix environment is booting up. I have an *.ova file. I have imported it through VM . then after doing some settings i ...
0
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0answers
12 views

Keyboard layout messed up in Linux Mint 12

I have a guest Linux Mint running in Virtual Box (this is an official VM for IGEP development: http://labs.isee.biz/index.php/IGEP_SDK_Virtual_Machine). For whatever reason half of my keyboard ...
1
vote
2answers
64 views

Is there a way to create something like a symbolic link from a folder on a Windows machine to a directory on a Linux one?

I have a program that runs on a Windows VirtualBox VM, a and stores data in a specific folder. I would like to work up something like a symbolic link from this folder to a directory on a Linux server, ...
0
votes
1answer
20 views

Showing the output of a named pipe from VirtualBox

I created a named pipe in VirtualBox, and I found some pages explaining how to read it's output using Putty, but I don't want to use that. Since Putty is just a frontend to ssh (right?), I would ...
0
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0answers
40 views

Enable multicast between server/client application

I have a VirtualBox VM running openSuse and an application that is meant to multicast data. I also have an application that is on the same machine running on Windows 7 that is meant to receive the ...
0
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0answers
17 views

Call web application on Windows Server running inside VM from Host

I have been given a laptop. Inside this laptop I have a VirtualBox VM running Windows Server 2008. On this Virtual Server I have several sites and databases set up. I created this image to make the ...
0
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0answers
56 views

vagrant vbguest plugin installation failure

I'm trying to setup a vagrant system for rails development following the instructions here https://gorails.com/guides/using-vagrant-for-rails-development. After installing the two plugins, vagrant ...
1
vote
1answer
57 views

No Mouse-Up for Chrome on Ubuntu VM; other apps fine

TLDR: I have an Ubuntu VM with the latest VirtualBox, and guest additions, and Chrome (installed from APT: google-chrome-stable). Mouse integration seems broken; I can't move tabs around, nor get any ...
-1
votes
1answer
56 views

Can I run a 32-bit Win7 virtual machine from 64-bit Win8

I am completely unfamiliar with virtual machines. I would appreciate guidance on (a) can I do this and (b) should I do this? We were aiming to deploy a solution on Win8. We now realise that one of ...
1
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0answers
81 views

CoreOS on VirtualBox only works with one adapter at a time

I'm trying to learn more about CoreOS. (I'm not using Vagrant, just plain-old VirtualBox.) So I created a disk using coreos-install. Unfortunately, I can't find my original cloud-config.yaml file, but ...
0
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0answers
17 views

Oracle Virtual Box: No option for 64bit vm's [duplicate]

I've installed virtual box on my pc and I want to use 64 bit operating systems inside my vm. Unfortunatly I can only create 32 bit vms (the 64 option is missing completly). I know it should be there ...
0
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0answers
12 views

How to check if a VirtualBox vm has been shutdown properly?

Assuming the host system crashed (hardware failure), how would would one find out which vms were running and crashed (and are now in an unclean state)? VMware Workstation has a clean flag, so ...
1
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0answers
56 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 ...
0
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0answers
13 views

Virtualbox, Warpdrivepercentage: Is the same possible with VMWare?

Virtualbox has a function to slow down a VM. Called "WarpDrivePercentage". Question: Is the same pssible with VMWare Workstation?
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votes
1answer
22 views

Does changing external hdd drive will boost performance boost on xubuntu (virtualbox)? [closed]

Now I'm using Toshiba external drive (USB 2.0) - http://www.amazon.com/Toshiba-Portable-External-Drive-HDDR250E03X/sim/B0013FSKSA/2 I'm wonder if changing this drive to something new, USB 3.0 (maybe ...
0
votes
1answer
25 views

Networking not working on Packer created Ubuntu VirtualBox VM

I'm trying to build a VirtualBox Ubuntu VM using Packer. My image was successfully created and I configured it to use my Wi-Fi (Mac OS X AirPort) interface for bridged networking. However, after ...
0
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0answers
33 views

Share headset between host and VirtualBox guest

I have a Logitech USB Headset, and I can't get both my host (Ubuntu 14.04) and my VirtualBox guest (Windows 7) to use it at the same time. If I assign the headset to the guest using VirtualBox's USB ...
0
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0answers
50 views

How to convert vmware OS X Yosemite virtual machine to virtualbox?

First I've done vmx to ova : ./ovftool --acceptAllEulas /Users/madzohan/Documents/Virtual\ Machines.localized/OS\ X\ Fuse.vmwarevm/OS\ X\ Fuse.vmx /Users/madzohan/Documents/VirtualBox\ ...
0
votes
1answer
13 views

Is there a way to set the number of inodes in VirtualBox when creating a VDI?

Using VirtualBox 4.3.26 in a Windows 7 host to create Ubuntu 14.04 guest. One of my main reasons to do so is process large numbers of small files, taking advantage of a SSD drive on the host. I was ...
0
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0answers
50 views

port forward from host to libvirt guest virtual machine that is bridged to the host nic

I am having no luck getting access from the outside to a http server running on my network in a Debian virtual machine that was created through libvirt. This what my network looks like: PC1: running ...
0
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0answers
46 views

The disk image is invalid in vmware, however perfect when used in virtualbox

We have a vmware workstation with several windows virtuals and a single linux. There was a power cut and after system has booted up i noticed that windows are working good, however linux virtual ...
0
votes
1answer
17 views

Is it possible to restore a virtualBox with same files?

So I have a macBook Pro 13-Inch 8 GB RAM 500 GB hard drive with an intel i5 processor at 2.5GHz. I am trying work with Windows 8.1 on a Oracle virtual machine. I have already installed it but since ...
0
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0answers
27 views

Error When Resizing Windows 8.1 VM(Host is Macbook Air running OS X 10.10(Yosemite))

I need to resize my Windows 8.1 VM(on VirtualBox) hard drive on my Macbook Air(OS X 10.10) host computer. I did some research and I typed in the following command: VBoxManage modifyhd [UUID] --resize ...
0
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0answers
23 views

Stretch window across two screens in windowed mode

This question is specific to making one guest "screen", in windowed mode, wide enough to span two physical monitors on the host. I know how to get two guest screens in Virtualbox (easy!) or in VMware ...