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

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11 views

How can I shrink the disk INSIDE VirtualBox?

I created a virtual disk using WindowsXP inside VirtualBox, the host is OSX. Initially I created the disk 20Gb, in 2 partitions, each of 10Gb. Because I did not need it, I dropped the 2nd partition, ...
0
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1answer
10 views

VirtualBox bridged adapter not working with one network

I have been using VirtualBox bridged adapter with some networks and it has worked right. But a few days ago I have tried it with a new network and this time it has not worked. The only difference in ...
1
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0answers
8 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. ...
1
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1answer
35 views

VirtualBox: killed by Windows Update

My VirtualBox environment on Windows 8 has suddenly died since I rebooted after a Windows Update overnight. Existing virtual machines that were working perfectly yesterday won't boot, either through ...
1
vote
1answer
11 views

What are the mouse/keyboard sequences for cut-and-paste on Ubuntu VirtualBox?

I have a non-graphical Ubuntu installed inside VirtualBox under Windows. I've installed VBoxGuestAdditions (and enabled bidirectional Drag'n'Drop - for the hell of it). However, none of the following ...
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0answers
14 views

How can I transport a file from my Windows ME using VirtualBox to the host?

I need to pick up a file located inside a Windows ME running from VirtualBox and put it in whatever else (e.g. the host system), but I'm being unable to do it thanks to a series of problems: The ...
0
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1answer
14 views

Select a rectangular block of text in Word 2013

I'm pretty sure that older versions of Microsoft Word would let me select a rectangular block of text by holding down the Alt key while dragging the mouse from one corner to the other. When I try it ...
2
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0answers
14 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 ...
1
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1answer
18 views

VirtualBox with Centos 7 minimal install, cannot connect to network

I just installed Centos 7 on a VM I'm running from VirtualBox on a windows machine. I installed the latest minimal release. I then went about setting up a static IP. When I try to access the machine ...
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0answers
14 views

Linux Mint - VirtualBox - Segmentation fault

I installed the latest version of Linux Mint I tried to install VirtualBox following several tutorials that exist on the Internet for this purpose went well, but when I try to run VirtualBox, ...
0
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0answers
12 views

Migrating Linux guest from Virtualbox 4.3.26 (latest) to VMplayer 7.1 (latest) on Win 7 64-bit host

Would like to understand if it is possible to migrate a Lubuntu guestOS image from Oracle VirtualBox 4.3.26 hypervisor to VMware VMplayer 7.1, where the hypervisor is running on a Windows 7 64-bit ...
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0answers
7 views

VirtualBox command-line - setting up port forwarding

I know how to configure NAT-based port forwarding using the VirtualBox graphical interface (as in the example below). How can I do the same via the command line?
0
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2answers
38 views

Open raw drive without formatting

I have a disk from a laptop that died. The disk is functioning correctly and not broken, but it is in RAW file system format and I cannot open it from windows. I have tried mounting it in a virtual ...
2
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1answer
19 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
25 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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1answer
34 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 ...
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0answers
32 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
17 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 ...
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2answers
24 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 ...
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0answers
24 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 ...
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0answers
15 views

Use existing physical ubunu as a Virtual Machine in new installation of Windows 7 [on hold]

I'm using Ubuntu 14.04 on my laptop as normally physical installation. Because of work, I have to install Windows 7 to works on that OS, but I still also have to use Ubuntu for other work. So that I ...
0
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0answers
29 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 ...
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0answers
20 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 ...
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0answers
10 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
20 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 ...
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0answers
13 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
20 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
47 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
13 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 ...
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0answers
17 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
53 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
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1answer
23 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. ...
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0answers
13 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
11 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
18 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
23 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
38 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
17 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
11 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
votes
1answer
19 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 ...
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0answers
9 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
8 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
50 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
8 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
21 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 ...
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0answers
13 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
18 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
33 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 ...
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0answers
9 views

VT-x/AMD-V hardware acceleration is not available on your system. [duplicate]

I have a windows 8.1 laptop. It is a lenovo IdeaPad N580. I am trying to run windows 10 technical preview on VirtualBox but it give sme this error: VT-x/AMD-V hardware acceleration is not ...
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votes
1answer
48 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 ...