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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1answer
3k views

Bridged networking to VirtualBox guest from OS X host

I'm trying to bridge my network connection from my OS X host to my Arch Linux guest. However for some reason the bridge network option in VirtualBox doesn't work for any traffic, yet NAT does. How can ...
2
votes
3answers
5k views

Kali Linux VM: Permission denied to run shell script, as root

I've just installed Kali Linux (Debian) in a VirtualBox VM. I want to install the VBOX Additions that will allow me to configure things like screen resolution (hopefully). My problem is running the ...
27
votes
7answers
66k views

How can I get Windows 8 and VirtualBox to use my full screen?

I'm running the enterprise evaluation (Build 9200) of Win8 and VirtualBox 4.2.4 r81684 and my actual display is 1920x1200. When I use the host-F key to enter full screen mode, the best I can configure ...
0
votes
1answer
4k views

Unable to ping guest from host and vise versa in Oracle Virtual Box

This is my Oracle Virtual Box Version 4.2.18 r88780 Details of my host machine Operating System : Scientific Linux 6.4 I am using static ip root@localhost ~]# ifconfig eth0 eth0 Link ...
1
vote
5answers
2k views

SSH from one Virtual Machine to another in VirtualBox

I am trying to run a server on one VM and a client on another; both VMs have ScientificLinux 6.4 as their OS, running on VirtualBox 4.2.10. The client should be able to communicate with the server ...
0
votes
0answers
127 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
votes
0answers
27 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 ...
3
votes
1answer
7k views

How to Use a Shared Folder in VirtualBox with AndroVM

I'm trying out AndroVM and cant figure out how to access a shraed folder with VirtualBox. The instructions say it needs to be called mysdcard, which I did. But I can't find it in the android. What do ...
16
votes
3answers
11k views

Why does virtualbox only have 32-bit option, no 64-bit option on Windows 7?

I have downloaded and installed the newest virtualbox 4.3.20 for my Windows 7 (64-bit OS), but when I want to install 64-bit Linux, the New->Create Virtual Machine only displays 32-bit option, no ...
0
votes
0answers
44 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 ...
3
votes
2answers
9k views

How to get Alfa awus036nha to work with Kali Linux?

Im running Kali linux 64bit 1.07 as a guest os through virtualbox 4.3.12 r93733. Ive also installed the VirtualBox 4.3.12 Oracle VM VirtualBox Extension Pack. I have bridged my hosts network ...
14
votes
6answers
41k views

Ubuntu on VirtualBox can only show resolution of 800x600 - how do I change it?

My monitor is 1920 x 1200 and the computer is running Windows 7. Using VirtualBox and Ubuntu 10.04, the screen of the Ubuntu can only be 800 x 600 or 640 x 480. Is there a way to change that. I ...
0
votes
0answers
28 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
votes
3answers
2k views

Virtual Box bridged network - slow?

I'm developing some network applications on both linux (server) and windows 7 (client). However, I'm wondering if virtual box is to blame for the slow network. I thought I'd try using iperf to see ...
0
votes
0answers
12 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 ...
2
votes
4answers
3k views

Sharing internet connection from host to virtualized Ubuntu with Virtual Box

I have Ubuntu 11.10 in Virtual Box installed on Windows Vista. I am having a Broadband(PPPoE) internet connection. I would like to use my internet connection inside Virtual Box in Ubuntu. I tried with ...
1
vote
1answer
38 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 ...
1
vote
1answer
232 views

Vagrant virtual machine automatically halting when laptop is put to sleep

I’m using a Vagrant box (running in VirtualBox) I got from a third party and it always automatically shuts down when I put my MacBook Pro to sleep. When I wake up my laptop I need to run vagrant up to ...
0
votes
0answers
22 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 ...
2
votes
2answers
5k views

How to release mouse from VirtualBox?

I've got Oracle VirtualBox 4.2.10 installed on Ubuntu 12.04, and with evry virtual machine I create, the "host key", which is supposed to release the mouse doesn't do anything. I've already installed ...
2
votes
5answers
8k views

Mouse disappear in VirtualBox

I am using latest version of VirtualBox (VirtualBox 4.3.6 for Windows hosts) and after installing any OS and clicking inside of it mouse disappear. It is not visible until I press right CRTL. Anyone ...
0
votes
0answers
47 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
74 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? ...
30
votes
6answers
33k views

Increasing disk space on VirtualBox

Is there an easy way to increase virtual hard disk space on VirtualBox?
4
votes
1answer
5k views

VirtualBox NAT over proxy

I use VirtualBox 4.1.8 on a Ubuntu 10.04 host system. I have an HTTP proxy server on the host system. How do I configure the VirtualBox to NAT the virtual machine's network and use the HTTP proxy for ...
0
votes
0answers
41 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 ...
1
vote
0answers
1k views

VT-x is Enabled, but is not operational ? Winows 8 unable to run 64-bit virtual machine

Vt-x is Enabled in Bios and it shows working in Intel Processor identification utility. but I'm not able to run 64-bit Guest OS on both VirtualBox & VMware Workstation. Virtual Box says ...
0
votes
0answers
19 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
votes
0answers
139 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
27 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
votes
0answers
17 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
votes
0answers
19 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
votes
0answers
23 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 ...
75
votes
3answers
64k views

How to compact VirtualBox's VDI file size?

I've a VirtualBox VM which configured a very large hard disk size (bigger than host). By my mistake, a program on the VM generated lots of log files and the VDI file size keeps growing until there is ...
1
vote
2answers
78 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
0answers
30 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 ...
0
votes
1answer
23 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 ...
21
votes
3answers
24k views

Installed minimal CentOS 6.4 in VirtualBox but have no internet?

I just started using the VirtualBox, but I don't seem to have any internet on the CentOS when I type yum update. Is there a solution to my problem? (it could possibly be a problem with misconfigured ...
0
votes
0answers
26 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: ...
1
vote
2answers
6k views

Getting “error loading operating system” when I start a VM. Worked fine prior opening with VirtualBox

I'm using VMware Workstation 7.x on Windows and I'm getting this error when I start my VM: error loading operating system That started to happen when I tried to load the VMDK file into the ...
0
votes
1answer
26 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 ...
1
vote
1answer
49 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 ...
4
votes
0answers
160 views

Cannot reliably automate xrandr settings in Debian 7 on VirtualBox

Although there are several existing questions on the matter (from which the most helpful answer is this) and various threads on other forums, I cannot reliably set my xrandr settings in Debian 7 on ...
0
votes
0answers
11 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
votes
0answers
10 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
56 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, ...
4
votes
2answers
2k views

How to fix extremely slow Virtualbox network download speed?

I'm using an Ubuntu 12.04 VM (hashicorp/precise32) via Vagrant/Virtualbox. It seems to have an exremely slow download speed compared to my host system. This is what I get with the host system (OSX) ...
0
votes
1answer
13 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 ...
51
votes
5answers
53k views

Can you run one virtual machine inside another?

Is it possible to, say, run VirtualBox on Windows 7 with a Linux guest, and inside that Linux machine run Bochs? The reason is that I'm interested in starting OS development, and I've found that all ...
0
votes
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 ...