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

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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 ...
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2 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 ...
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2answers
2k views

Linux 64bit on Virtual Box with window 7 profession 64 bit

I have HP ProBook 450 G1 Laptop with Window 7 Professional. It is Intel Core i7 and it claim it has Virtualization Technology. But I can't find it in Bios to enable it. Now I installed Oracle Virtual ...
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5answers
11k views

Capturing a window image or taking a screen shot in a Windows XP virtual machine running in Virtual Box on a MacBook pro?

I've got a MacBookPro (no external keyboard, just the built-in laptop keyboard) and I'm running Virtual Box. My virtual machine is Windows XP and I'd like to capture an image of a window (or the whole ...
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0answers
9 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 ...
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1answer
6 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 ...
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0answers
5 views

Ubuntu 14.04 Desktop as local server - ext4-fs error

I have set an Ubuntu 14.04 as a local server. Also I have two identical hdds on RAID1, on md0. I have tested raid configuration and works ok. I installed virtualbox from the official website and keep ...
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0answers
4 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 ...
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0answers
8 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 ...
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1answer
32 views

VirtualBox is using more processors than allotted

I have a VirtualBox Windows VM configured to use 3 out of 4 processors (see screenshot), but when my computer froze (see description below) recently, I used top and discovered that the VirtualBox ...
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0answers
10 views

Failed to open VirtualBox with hosts Windows 8.1 and guest Ubuntu 14 (64bit)

I'm using Virtual Box v4.3.26.r98988 with an Ubuntu 14 guest. Up until yesterday, everything worked fine, but when I try and start it now all I get is an error message: The virtual machine Ubuntu14 ...
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1answer
7 views

Virtualbox guests are upsampled & blurry due to DPI scaling from Windows Host, and disabling it has no affect

I have 4k laptop, so DPI scaling is what Windows uses for apps that don't automatically scale. Rightclicking VirtualBox > Properties > Compatibility > Disable DPI Scaling should do the trick. ...
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1answer
13 views

Windows 7 / VirtualBox / VMWare : DNS : local name fails - not even DNS lookup, FQDN works

My problem in short: Entering http://app01:8084/ into the browser does not find my server. Entering http://app01.my.domain.com:8084/ does work. With the localname Wireshark not even captures a DNS ...
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3answers
2k views

Import virtualbox vhd to hyper v

I've been trying to import a VHD file created on VirtualBox to Hyper V, with no luck. Details: VirtualBox version 4.3, running on Mac OS X Mavericks Hyper V version 6.2.92, running on Windows 8 ...
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2answers
28 views

Can't install Guest Additions - (Missing 'Devices' Menu on host)

The top menu is wrong (Virtualbox 4.2, Windows 7) Shows: File, Machine, Help Expected: File, Machine, Devices, Help
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0answers
17 views

Running Mac in Full Screen in Vmware/Virtual Box in Windows

I need to test an application in Mac.Currently im running Mac in Windows using VirtualBox but it runs windowed and does not support guest additions,so full screen is not possible.Can VMWare player run ...
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2answers
10k views

Make a clone of VirtualBox Machine that doesn't cause Windows Re-Activation after installing Windows

Most guides for installing Windows on VirtualBox to act as a template for quick Windows jobs tell you to take a few steps to prepare the Virtual Machine before installing Windows (the best guide I ...
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1answer
23 views

Are virtual machine resources available to the host?

I know that when I dedicate HD space to the VM that it can’t be accessed by the host OS, but what about RAM and CPU cores/threads? I always thought that if I dedicate 2 cores and 8 GB of RAM to a VM ...
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7answers
32k views

How does VirtualBox's memory usage work?

I've been running several VM's with VirtualBox, and the memory usage reported from various perspectives, and I'm having trouble figuring how much memory my VMs actually use. Here is an example: I ...
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2answers
12k views

64-bit Windows guest in VirtualBox impossible without VT-x support?

I have successfully installed Windows Vista 32-bit in a VM with VirtualBox. Now I'm trying to do the same with Windows Vista 64-bit and it just isn't working. I have created the VM but it seems that ...
74
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9answers
79k views

How to move VirtualBox files?

By default VirtualBox stores all data in a directory below the home directory. I know how to change it but how can I change the location of existing images (without editing VirtualBox.xml manually)? ...
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1answer
28 views

can't ping from mac host to windows guest in virtual box

I am trying to ping to the windows 7 guest in virtual machine from mac host. but I get below message ping: sendto: No route to host Request timeout for icmp_seq 5 I set bridged-network in network ...
0
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1answer
9 views

Vagrant GUI non-alphanumeric key bindings incorrect

I am starting to use Vagrant to stand up a development environment(want to ensure all teammates are developing on same environment) and seeing as it will be a development environment, I need it to ...
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2answers
1k 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 ...
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1answer
53 views

Slow internet connection speed compared to other hosts in the same network

My home network consists of an ADSL modem, directly connected to the Internet, and two laptops, connected to the modem using wireless cards. One of the laptops uses Microsoft Windows 7 and the other ...
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0answers
188 views

Cannot start VirtualBox NAT Network

I am trying to start a NAT Network using VirtualBox on Ubuntu 14.04. Both Ubuntu and VirtualBox are freshly installed. VirtualBox v4.3.10_Ubuntu r93012 installed from the Ubuntu repositories. When ...
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1answer
23 views

How to connect to internet over VPN raised on virtual machine?

I have an PC running Ubuntu, that is connected to the network of my internet provider. To access the internet, one must make a connection using l2tp or ppp, which I have failed to configure on Ubuntu. ...
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1answer
29 views

Cannot connect to sql server express over host-only virtualbox interface

I have set up sql server express 2014 in a Windows 7 virtualbox guest, but I cannot connect to it using the jTDS JDBC driver from my Ubuntu host. I get a Could not retrieve database information error. ...
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2answers
21 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 ...
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3answers
21k views

Is it possible to assign more video memory in VirtualBox?

I am currently using VirtualBox to run a Fedora 15 VM. While changing my settings, I allocated 128MB of video memory, as well as enabling 3D acceleration. Is there any way to assign more video ...
2
votes
1answer
4k views

Cannot set 16:9 resolution on ubuntu 12.04 run in VirtualBox

I recently installed virtualbox. I tried to run ubuntu 10.04 and it worked fine in fullhd resolution. Then I installed Ubuntu 12.04 and now when I to setup up any fullhd resolution UI becomes very ...
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1answer
3k views

ubuntu server in a vm, can't connect to internet

I'm attemtping to host my own development web server in a virtual box guest, Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but outside the LAN as ...
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0answers
8 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 ...
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1answer
14 views

Cannot install Guest Additions on CentOS virtualbox

Windows 8.1 host, have previously successfully created a Ubuntu virtualbox on it. Now I wanted a CentOS box. Choose Redhat 64 bit and created a virtualbox. Downloaded an iso called ...
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1answer
45 views

How can I run an application on my PC but isolated and portable so I can switch PCs when needed

I was looking at dongle mini PCs. I can't seem to find much information on them. What I would like to do is plug in a dongle PC and run an application on it. It would be perfect if it opens up a ...
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1answer
21 views

Convert VMDK to LVM

I'm trying to migrate a VM from my laptop to my XEN server. First I used $ vboxmanage clonehd my-disk.vmdk -format RAW mydisk.img Copy to the server and do the following $ kvm-img my-disk.img ...
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0answers
10 views

smartphone-like behavior in Chromium and Opera browsers in VirtualBox

I use Chromium and Opera browsers in my VirtualBox v.4.3.26 (Ubuntu 14.04 Gnome), but few days ago (not clear, whether after an update or I inadvertently changed some settings) they started to behave ...
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0answers
18 views

VirtualBox VMs turn off randomly [on hold]

Yesterday after I deleted my old AD user account and replaced it with a local administrator account all 70 (35 of which are currently running) of my VirtualBox VMs disappeared from the VM list in the ...
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4answers
14k views

VirtualBox imported VM - VERR_NOT_SUPPORTED - VERR_CFGM_VALUE_NOT_FOUND

On VirtualBox, I've exported a Ubuntu Server VM (File \ Export Appliance) and tried to imported it on a different machine. every thing went well with export and import. But, when I start the imported ...
3
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0answers
346 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 ...
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2answers
10k views

VirtualBox: How to sync host and guest time?

The time in my guest VM is faster than the host time by about 20-30 minutes. What can can I do so that the time in the guest is the same as on the host?
0
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1answer
7 views

Fedora 19: Changing runlevel 3 to 5 and it fails to start in GUI

I've installed Fedora 19 in VirtualBox. During the Installation I had choosed Minimal Installation. So its now working Runlevel 3 and not in GUI. So I did ln -fs ...
0
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1answer
22 views

VERR_ACCESS_DENIED error with Virutalised existing linux partition

I have installed both ubuntu 14.04 and windows 8.1 on my harddrive but due to certain circumstances I need to virtualize my linux partition. I have been able to login successfully into it but then ... ...
2
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1answer
3k views

Installing Mavericks in VirtualBox

I would like to install Mavericks in VirtualBox. I tried different solutions but I can’t get this work. First I downloaded Mavericks from the app store. Then I converted the InstallESD.dmg to an ISO ...
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0answers
14 views

Scientific OS vm guest on Win 7 host doesn't full screen

It used to work perfectly buy all of a sudden it stopped working. I have reinstalled guest additions but this doesn't solve it. The "Auto-resize Guest Display" option in view is grayed out. Host: ...
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1answer
42 views

Can Nero InfoTool work with Virtualbox?

I use Virtualbox 4.3.6. The guest and the host are both Windows 7 x64 SP1 Ultimate. I tried to use Nero InfoTool 11 to analyze one of my CDs but it always get stuck at the following screen: I tried ...
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3answers
2k views

Windows 8 32-bit won't boot on VirtualBox

I've been trying to install Windows 8 32-bit on the latest version of VirtualBox since yesterday. I run VirtualBox on my regular Windows 7 32-bit install. Win8 installs fine, then goes to restart ...
39
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5answers
30k views

VirtualBox to use dual monitors

I am am running Kubuntu Hardy Heron, with a dual monitor setup, and have VirtualBox on it running Windows XP in seamless mode. My problem is, I can't get virtualbox to extend to the second monitor. ...
0
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1answer
56 views

IIS URL-rewrite doesn't work

I have an IIS setup with redirect rules that work perfectly fine on my Windows machine. However - I'm starting to use Mac - so I installed a VirtualBox VM with windows on it and used the exact same ...
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0answers
11 views

Cannot acces in centos 7.0 in virtualbox any pendrive

System is up to date, I did everything as answered here How to access USB pendrive on using VirtualBox? and have not any results. What could cause such behavior?