VirtualBox is a platform independent open source virtualization software available for Linux, Solaris, OS X, and Windows hosts. Guest additions need to be installed to automatically adjust the guest screen resolution. USB is supported through a proprietary extension.

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Can't start in VirtualBox; shows built-in shell

So I used the Linux Live USB creator and created a live usb checking the option to Enable Launching LinuxLive in Windows and after it was done and I ran Virtualize_This_Key.exe, and after a screen ...
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3answers
1k views

Access Windows 8 partition via virtualbox

I have an Asus K55a laptop which is currently dual booting Windows 8 and Ubuntu 13.10. I'm trying to access my windows 8 partition without restarting, with VirtualBox. To clarify: Windows 8 ...
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1answer
436 views

How to access Ruby on Rails Assets from a Host Machine

I am running a Ruby on Rails server on an Ubuntu VirtualBox guest machine. I can access the local server from my host machine by setting the Ubuntu network adapter to bridged. My app's hmtl is ...
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1answer
576 views

Setting up domains in a virtual machine running Apache

I'm runnning Ubuntu Server 12.04.3 LTS as host system. I created a virtual machine running Debian 7.2.0 and Apache 2.2 using VirtualBox 4.3.4. The network bridging between host and guest system was ...
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2answers
1k views

Please remove installation media and close tray message inside Virtual Box

I'm trying to install Ubuntu 13.10 inside a virtual machine running in Windows 7. I've been getting this message every time after the installer asks for a restart. What should I do?
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1answer
48 views

Need help running Unbuntu on Oracle Virtual Box [duplicate]

I've been using windows for years and thought I'd give Linux a try. As listed in the title, I'm trying to run Ubuntu through Oracle's Virtual box. When I go to the Install for Ubuntu, I get a black ...
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0answers
2k views

Mouse curser disappearing (but still being captured) on VirtualBox

Host: Mac OSX 10.9 Guest: Ubuntu 13.04 VirtualBox: 4.3.4 (just updated) I'm having issues when I install guest additions (via device > add guest additions) at the very beginning it tells me that it ...
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1answer
1k views

VirtualBox fails to start machine after installing extensions

I just added extension pack and my Windows machines won't start. This is the error I get: Failed to open a session for the virtual machine Windoze 7. The device helper structure version has ...
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2answers
46 views

Is it possible to boot the same ubuntu sometimes as a virtual machine, and sometimes on the physical pc?

Is it at all possible to have the same ubuntu with the same updates and installed apps, sometimes boot in a vmware/vbox/or-similar inside windows, and sometimes be able to boot it on the startup of ...
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3answers
5k views

Linux headers update breaking virtualbox folder sharing?

I have a virtualbox running ubuntu 13.10 (running on a 13.10 host) that has two shared folders on the host that are mounted at boot. A while ago the guest ran some updates that broke the folder ...
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1answer
69 views

network connection under virtualbox

I set up xp virtual machine in virtualbox under ubuntu12.04 amd64 arch. In network settings of xp in virtualbox , I use bridged. Every time in ubuntu12.04 my internet connection was broken and ...
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0answers
18 views

How to disable boot selection [duplicate]

I have ubuntu server running inside a virtual machine that starts after Windows starts, then it runs in the background (using virtualbox headless). The machine is supposed to run as a server in the ...
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2answers
52 views

Attempting to install Ubuntu on Oracle Virtual Box inside Win 7

After I get the ubuntu install completion message how do I shut down the virtual machine and reload so the VM will point to the new install rather than the install .iso image file?. I flashed the bios ...
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0answers
200 views

Virtual Box 4.3.4 Ubuntu 13.10 blackscreens after login

I've got a little problem with my Ubuntu 13.10. I have it installed on a VM, with Windows 8.1 as host. Until today everything went just fine, but all of sudden, when I Host+F to get out of ...
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1answer
54 views

When Installing Ubuntu through virtual box I get an error [duplicate]

When Installing Ubuntu through virtual box I get an error This kernel requres an X86-64 CPU, but only detected an I686 CPU. Unable to boot - please use a kernel appropriate for your CPU ...
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1answer
130 views

How to add second adapter to guest OS in VirtualBox?

I have Ubuntu 13.10 Desktop as host and Ubuntu 12.04.3 Server as guest. On guest OS VirtualBox setting I have setup 3 adapter, the first is connected to NAT, the 2nd to Host-Only, and the 3rd to ...
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2answers
597 views

12.04 in VirtualBox doesn't execute any custom startup script

I'm trying to use Vagrant for our development process, mostly web development on a LAMP system. On shutdown of the VM I dump the content of the MySQL database to an SQL file in the shared folder. This ...
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1answer
405 views

wrong ARP table entries after reboot

I created two Virtualbox machines, both with Lubuntu Server 13.10. Server machine has Virtualbox NAT network and Internal network (static IP 192.168.1.1), Client machine has only Internal network ...
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2answers
6k views

Error while installing extension pack on Oracle VM VirtualBox

I have installed Oracle VM VirtualBox on Ubuntu 13.10 and I am trying to install IE8 on Windows 7 from Terminal as suggested in this answer. I am running following command on Terminal: $ curl -s ...
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1answer
332 views

Problems with network adapter within VM Virtualbox

I'm having trouble with my virtualized machine connecting to my network. Here is what I'm running: Host: 12.04.3 LTS Unity (connects to internet just fine. VM Virtual Box v 4.1.12 Guest: XUbuntu ...
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3answers
7k views

How do I connect to the wifi in Ubuntu within my Virtual Machine?

I have a virtual machine installed on my Windows 8.1 laptop with Ubuntu installed on it, but when I open the Network menu it doesn't show any wireless networks. How do I connect Ubuntu in my virtual ...
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1answer
3k views

Virtual box guest addition breaks after kernel upgrade

I have an Ubuntu box installed over VirtualBox with Windows 7 as host. I installed guest additions in it and was working perfectly as expected. Suddenly, one day VirtualBox complained that guest ...
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0answers
100 views

Permissions won't change

I opened Nautilus as super user to try and edit permissions. I can open the drop menu and change, but they instantly revert back to their original state before I can even click "apply changes." What ...
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4answers
18k views

How to add users to vboxusers

So I want to use my flashdrive in Windows XP, which I am currently running in Virtualbox, but when I open up the settings to enable usb usage, I get an error: Failed to access the USB subsystem. ...
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1answer
46 views

I cant install sound for my PC. If I install win XP on virtual box, then how can I use Win xp sound driver [closed]

I cant install sound for my PC on ubuntu 12.4. If I install win XP on virtual box, then how can I use Win xp sound driver not my ubuntu 12.4 who are not working, is it possible? Or maybe You can ...
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0answers
360 views

How To Configure Multiple Virtual Machines As An Internal Network Via SSH

First of all, I am using Windows 7 as a host. Then I install Ubuntu 12.04 Guest under VirtualBox. Then I get an access to the other four virtual machines (also Ubuntu 12.04 Guest) via ssh by running ...
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1answer
4k views

How to enable VT-X to adjust the processor of a vm

I am using Oracle VM VirtualBox. I've been trying to adjust the process of my Virtual Machine but the slider of the Processor on the Processor tab is disabled. As far as I know, VT-x should be enabled ...
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1answer
255 views

Im trying to install and run ubuntu server on oracle virtual machine?

I have vm installed on I have downloaded the iso. When I run the server and select the iso file I get the error message; Failed to open the optical disk file C:\Users\Owner\VirtualBox ...
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1answer
19k views

“ this kernel required an X86-64 CPU, but only detected a i686 CPU” [duplicate]

I recently decided to use Virtualbox to run Ubuntu, but I get the message this kernel required an X86-64 CPU, but only detected a i686 CPU I've already enabled virtualization in BIOS, but that ...
2
votes
1answer
72 views

I just upgraded to 13.10 in my virtual machine through Virtual Box but can restart successfully

This is what i see after i restart. How can i fix this? Am i suppose to type in a command? Is restoring my host computer to a later point a possible option?
2
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1answer
122 views

Is virtual box as effective as dual booting windows? [duplicate]

Is virtual box as effective as dual booting windows? If I am able run windows in linux and do everything I can in windows I might as well as get rid of win 8.
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1answer
520 views

How to set my virtual box display for Red Hat Linux to 1366X768

I have installed Red Hat Linux on my virtual box and i can't set the display of VM to 1366X768. The display option in red hat linux shows only 1024x768, 800X600, 400x600.
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2answers
5k views

How to permanently change permissions for /dev/ttyS0

My system is Ubuntu 13.04 and works fine, but I had to installed VirtuaBox to guest Windows XP which is essential tu run an application that dialogues with an alarm set by a USB-to-Serial adapter. ...
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1answer
1k views

Virtual vs actual disk size running Ubuntu 13.10 64/VirtualBox 4.3 on Mavericks

I am relatively new to Ubuntu running or a VirtualBox (on a Mac), and after everything was working more or less fine before I upgraded to Mavericks, now I find a lot of problems with it. Not sure ...
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1answer
19k views

VirtualBox 4.3 Guest Additions on OSX guest [closed]

Im running virtual box 4.3 on ubuntu 13.10, everything goes fine with windows guests but for Mac osx (Mountain Lyon) I just cant find how to install Guest additions. Seems like there's no osx ...
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1answer
253 views

Wordpress permissions problem on apache2 server

I have a windows 7 system. On this system i am running a VM Virtual box LAMP Server with Ubuntu 12.04,apache2, mysql and phpmyadmin... which is accessable via the internet. I installed Wordpress ...
0
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1answer
709 views

VirtualBox Minecraft Server

So I'm running Ubuntu Server 12.04 in VirtualBox and trying to host a server in it. I literally got everything set up, installed, and it's perfect. I forwarded my ports to 25565 TCP and UDP with this ...
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3answers
20k views

How to troubleshoot booting to a black screen on virtualbox

I was using 13.04 as a guest OS on my Virtualbox 14.2.18. Host is Windows 8. After upgrade to 13.10 ubuntu does not start. I can see black screen and blinking cursor. Can anyone help? I am pretty ...
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1answer
373 views

Ubuntu Server - Virtual Box?

So I got VirtualBox just for Ubuntu Server, I'm currently Running Ubuntu 12.04 as my main OS. But when I got everything set up in Ubuntu Server 12.04, including my ports forwarded and a test Minecraft ...
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1answer
2k views

Installing Ubuntu on virtualbox with a windows 8 host

Installing ubuntu-13.10-desktop-i386.iso gets me to the graphical login screen but after I enter the password I get a black screen. Ctrl-Alt-F2 brings me to a terminal where I can restart lightdm, ...
2
votes
1answer
177 views

How Reliable is Virtual Machine GCC Binaries

I have an app which I need to generate the following: Ubuntu 32/64 bits and the same to Windows. Now I have 64Bits Ubuntu 13.04 and I have Virtual Box with 13.04 32bits on the same machine. How ...
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1answer
1k views

In virtualbox, I can't access the dvd drive to install a guest host

I have installed a fresh copy of Ubuntu Server 12.04 and VirtualBox 4.3. I have set up a VM called "MediaServer" and tried to start it. I then get the following error: Cannot open host device ...
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3answers
215 views

Gaming on Ubuntu - how and why?

So I have Ubuntu 13.10 on my Dell Inspiron 1564 which has VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller, and I'm not a gamer, but I want to play that old ...
2
votes
3answers
6k views

Problem with installing VBox guest additions in 13.10 (shared folders)

I am using 13.10 for both the host and guest. The host has the guest additions iso. While installing the guest additions, I encounter an error when trying to compile the shared files module. The ...
0
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1answer
799 views

How to give USB access to VirtualBox when non-root

I'm a member of vboxusers group. I installed the extension pack. When running VirtualBox as non-root, USB devices are visible but grayed-out. When running VirtualBox as root then it works fine. How ...
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2answers
3k views

Full screen in virtualbox

I have a Macbok Pro 13" and I'm using virtualbox to run ubuntu 12.04. My problem is I can't resize ubuntu for occupy the 13" of my screen when I use full-screen mode. Ubuntu only allows me to use two ...
0
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1answer
120 views

Possibly to boot an already installed Ubuntu into windows?

This may be answered elsewhere but most of the questions seem to concern a normal dual boot scenario. I have a standard windows 8/ubuntu 13.10 dual boot, I'm wondering if I can boot Ubuntu from ...
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2answers
727 views

Cannot start virtualbox VM's: Kernel driver is not installed

I'm a Linux Novice Was running 12.04 with virtualbox 4.2. Everything was rosie. Upgraded to 12.10; now Virtualbox will run, but can start any VM's. Get error 'kernel driver not installed' I've ...
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1answer
50 views

Running with Virtual Box

I recently purchased a new laptop and I am currently dual booting windows 7 and the latest Ubuntu package, my question is there a way that i can run that my Ubuntu in Virtual box? Until now i've only ...
2
votes
1answer
9k views

Having trouble installing guest additions for a Xubuntu 13.10 guest OS in Virtualbox 4.2.10

I am using Ubuntu 13.04 64-BIT as my host operating system running Virtual Box 4.2.10. I get this message when I tell virtualbox to install guest additions(CTRL+D),mounting the volume in the guest OS ...