VirtualBox is a platform-independent open-source virtualization software available for Linux, OS X, Solaris 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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unable to install GuestAdditions - Ubuntu 14.04 as guest; Windows 8.1 host

I've seen similar postings on this site, but no satisfactory answers/solutions. Please advise. Specs: Ubuntu 14.04 (guest) Windows 8.1 (host) VirtualBox 4.3.6 r91406 VBOXADDITIONS_4.3.6_91460 ...
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12.04 LTS -> 14.04 LTS: An error occurred while restoring previously-installed applications

I'm attempting to upgrade an existing installation of Ubuntu 12.04.5 LTS to 14.04.4 LTS in a 5.0.10 VirtualBox VM. After several hours of attempting to get do-release-upgrade to find any new releases ...
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1answer
32 views

Cant get Virtualbox to work with Genymotion

I'm opening genymotion and get the following error-message: Unable to load VirtualBox engine. Make sure that it is properly installed before starting Genymotion. For more information, ...
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43 views

What is wrong with my Ubuntu VM?

I've been working on my first android application using a LAMP server on a VirtualBox VM, but sometimes the IP address changes which makes me have to change all of my php script addresses on my app ...
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532 views

VIrtual network

I want to impliment pfsense to the local network. So before that I have to test it in a virtual environment, say couple of virtual-machines in an Ubuntu host using virtual box and one pf-sense machine ...
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I am trying to install Ubuntu in virualbox and it keeps crashing. Please help

This is screenshot of my settings in virtual box: and this is a screenshot of the crash: This happens happens right after I select install Ubuntu
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22 views

Latency in watching a video on Ubuntu

I'm wondering why there is a latency when I watch a video on Ubuntu 15.10? Ubuntu is a virtual-ised operating system running on Virtual box. Host operating system is Windows 10. The same video on ...
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1answer
172 views

Problem with sudo apt-get update on Ubuntu 14.04 virtual machine

My problem began when I was tried to install the mmtsb (multiscale modelling toolset for structural biology) on an Ubuntu 14.04 Virtual Machine on a Windows Host. I tried giving the ./install.sh ...
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1answer
76 views

Ubuntu Server running in Virtual Box - Network not connecting to Wifi bridged adapter

I have successfully installed Ubuntu 14.04 server on (Windows 10) VirtualBox (Version 5.0.16 r105871 ) by following the steps on here: ...
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69 views

How to simulate Ubuntu ARM image on Raspberry Pi with Virtualbox?

How do you run the Ubuntu ARM image in Virtualbox (ultimately managed through Vagrant) for testing a Raspberry Pi configuration? I can find a ton of guides for running various pre-built Raspberry Pi ...
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1answer
22 views

Really wanting Host Ubuntu to work with Win7 guest in VirtualBox, but it's not working out

I have spent all day solving how to get the Win7 guest to recognize my USB devices, and finally managed it, re-installed VirtualBox 5.0.16, re-installed Win7 into it from my CD, installed the ...
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32 views

VirtualBox 5.1 Yosemite Host Ubuntu Guest Drag and drop, copy not working

I have installed Ubuntu 14 64 bit as a guest on my VirtualBox 5.1 on Yosemite Host. I have installed the Ubuntu guestEditions from VB. I know they are installed correctly because all of the view ...
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20 views

USB devices not visible in VirtuaBox 5.0.16, even after installing Extension Pack [duplicate]

I edited this to make my question more polite. My VM Box running Win7 on/inside Ubuntu seems to be running smoothly. But it is not recognizing USB external storage devices and not allowing me to copy ...
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1answer
36 views

Resizing VirtualBox [duplicate]

So, I use a Macbook and I installed VirtualBox and Ubuntu but the window appears very little (a tiny square in the middle of the screen) I followed this question and I installed those extras they ...
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44 views

OBS on “Window Capture (X composite)” only shows red screen

When I chose "Window Capture (X composite)" mode on OBS, and select the running Windows 10 VirtualBox, I get a red screen: It works fine with Spotify: I can record the whole screen, but I'd like ...
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24 views

Use Wake on lan in KVM?

I use KVM for virtualisation together with Virtual Machines. This works for the most part, but now I am running into an problem. I want to start a VM (which is turned off) with WOL. This does not work ...
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19 views

How to remove file with ????? permission [duplicate]

I am not able to delete files/folders as I see some files/folders with permission ??????. How to remove them? Files are sitting in share folder of my Windows/Ubuntu machine drwxrwx--- 1 root vboxsf ...
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1answer
24 views

Ubuntu 14.04 Terminal on virtualbox maintenance

I'm running Ubuntu 14.04 terminal server on VirtualBox 5.0.12 (which is installed on Windows 10). I ran out of disk space apparently (although I have 10 GB space) so I read and I understood that I ...
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3answers
107 views

Can I install the VirtualBox Extension Pack from the Ubuntu repositories?

I have VirtualBox running on several server installations, always without any GUI, administering using the vboxmanage commands. I used to install from the Oracle PPA, but since the end of the two ...
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Non-interactive area overlapping desktop on lubuntu

I'm running Lubuntu on a virtualbox and after certain time, one part of my screen will just lost control and can't interact with anything behind that area. Also, right clicking on that area will show ...
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20 views

Ubuntu, Vitrualbox(windows host), Static IP, Rails App on Lan

I am trying to host a rails app on my LAN for the pc's on that network. I am running Windows Host Machine, VitrualBox with Ubuntu, rails, apache2, passenger. What would be the correct configuration ...
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47 views

apt-get -f install removed nearly everything

In an attempt to install some statistical software (SAS), I attempted to install virtual box while running in Ubuntu 12.04. I was unable to do so and prompted to use apt-get -f install which I did. ...
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1answer
90 views

How to install “qemu-img” and use it to convert a “qcow2” image to a Virtual Box one?

I have been asked to do some debugging work with gnome-continuous, but as this only comes in qcow2 format for qemu and I do not want to install qemu at this time so this may be slightly problematic, ...
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47 views

Playing games on VM?

I have set up a WinXP VM on an Ubuntu host and have assigned 2 gig RAM to the guest. Now I am trying to play a game on the VM. I have enabled 3D acceleration in Virtualbox settings. The specs of the ...
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36 views

Using external hard drive with Virtualbox and Ubuntu

I've just started using Ubuntu via Virtualbox and am trying to get either to recognise my external hard drive. I have tried changing the USB settings in VB but a message popped up telling me that I ...
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2answers
49 views

Internet wifi works, but don'know the name of the device

On my computer I installed windows: through virtualbox I installed ubuntu. I have a network adapter tp-link tl-wdn4800 and internet on ubuntu works perfectly. The only problem is that I can not know ...
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16 views

Turn off Keyboard Repeating during install of Ubuntu Server?

I am trying to install Ubuntu on VirtualBox over VPN using Remote Viewer and RDP and a slow internet connection. For whatever reason this setup is causing me to have keys repeated. So for example ...
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2answers
90 views

VirtualBox graphics problem

On a guest Windows XP SP3 I have installed Visual C# Express 2010 with the XNA Game Studio 4.0. I have created a simple project and started it and XNA thrown the following error: No suitable graphics ...
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22 views

How often do scanners work in a Windows Virtual Box under an Ubuntu host?

Please note that I am not asking how to set up this, as there are already excellent answers regarding that on this site. I'm asking how often this generally works: The host is an Ubuntu system (any ...
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24 views

Why do my development websites in /var/www not load?

I configured an apache2 server on a virtualbox with ubuntu. This always worked but since yesterday my websites suddenly won't load annymore. I think it has something to do with our new network router ...
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1answer
72 views

Ubuntu in Virtual Box - Desktop shows in preview but not in actual Virtual Box

Brand new around here. Installed ubuntu 14.04 (32-bit due to system reqs) for VirtualBox. Booted up the desktop, but it's only showing in the preview mode - the actual VirtualBox is a blank purple ...
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45 views

VirtualBox crashes (illegal instruction at…)

Recently (within the last week) I've gotten crashes of my Ubuntu 14.04 VirtualBox. It might be associated with use of the clipboard, but I'm not sure about that. I edit in both gedit and QtCreator ...
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21 views

CTRL key not working KALI Virtual BOX - UBUNTU HOST 14.04

On my physical computer I have ubuntu 14.04 I am pinging my Ubuntu wlan ip address as seen in the image, but, if you pay close attention I am trying to hit ctrl c, but, ping continues, then I tried ...
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24 views

How to mount a virtual hard drive to an existing virtual image?

I need help expanding my hard drive. I created a virtual image to run Ubuntu on an Oracle VM (fixed 8Gbs). I have since created a second virtual hard drive that will expand as needed. I want to ...
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1answer
25 views

What's the simplest way of creating a Virtual Machine from a Physical Ubuntu Server?

I have full access to the server, although I normally use it via SSH. I would like to have a backup of this server because it has too many configurations and running programs, crons, etc. that I ...
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23 views

URBackup auto backup

im very new to linux and would really appreciate some help. Ive installed windows server 2012 on pc with virtualbox. I then installed ubuntu 14.04 desktop on a vhd. Installed URBackup, setup all ...
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1answer
76 views

Creating internal Network among VMs and Internet from Host Machine Virtual Box

I have 3 Ubuntu Server VMs on VirtualBox with static IPs on eth1 interface: 192.168.56.2 192.168.56.3 192.168.56.4 I have chosen Adapter 1 as NAT and Adapter 2 as Host Only for all VMs Now to ...
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1answer
41 views

Is sharing the root folder with write access with a virtual machine dangerous?

I have a bunch of virtual Windows machines in VirtualBox If I make a shared folder of the Ubuntu root folder, I will get access to both USB drives, as well as the user folder, etc from the VM's. I ...
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36 views

Ubuntu 14.04 Login loop (variation)

Today I decided to install Ubuntu 14.04 LTS on my Windows 10 hosted Virtualbox. I installed some things, restarded the VM and got a login loop. It seems that the login loop in 14.04 is not a new ...
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1answer
145 views

How to change grub command-line (grub shell) keyboard layout?

When I boot in GRUB2 and press c, I have access to GRUB shell. How to change the keyboard layout (language) of this GRUB shell? Note that I'm booting an Ubuntu VM inside Virtualbox.
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24 views

Have a question with Virtualbox [duplicate]

I want to play games on Ubuntu I play most of them but I love a game called "Elsword" I couldn't download it with Wine I tried with Playonlinux It worked but when I start the launcher an error pops ...
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1answer
56 views

sudo passwd command with no-interactive mode

Context: I created a Virtual Machine with Packer for Vagrant system into a Ubuntu 14.04 server OS. All runs perfectly but this is a development VM (I'm alone on this) and I want to administer my ...
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79 views

Virtualbox won't work with kernel 3.16.0-34; can't use any newer kernel

I'm using 3.16.0-34 kernel version on Ubuntu 15.10. With any newer kernel version I get more and more problems. With first post-3.16 versions, the fan would go to full speed non-stop after waking from ...
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19 views

virtualbox unstable after having removed xen

I installed a fresh version of ubuntu (ubuntu 15) yesterday and wanted to try xen. so I installed the package ("sudo apt-get install xen-hypervisor-amd64"), rebooted and, as I have understood, the ...
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18 views

Ubuntu in Virtual box: Super+shift is interpreted as super+alt after pressing left or right

I am running ubuntu in virtualbox on my mac. So here is a problem (bug in virtualbox?) that makes it hard to remap keys in order to have the same key combinations as in mac osx: If I hit right or ...
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2answers
43 views

How to Start Ubuntu in TTY without GUI as VB Guest?

I have Ubuntu 14.04 in VirtualBox 5. The graphics is limited in VirtualBox so I would just have textual appearance in TTYs. I would like to access TTYs of Ubuntu in VB5. My problem is that I cannot ...
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17 views

How to Resize Ubuntu 14.04 in VirtualBox 5? [duplicate]

I am trying to increase the size of Ubuntu 14.04 in VirtualBox 5 of OS X in the thread here of Oracle's VB forum where they directs me here ...
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1answer
34 views

Virtual box uninstall

I want to uninstall virtual box from my system. I run following command: sudo apt-get remove virtualbox* --purge The result says it is uninstalled. But I could still launch the virtual box. Please ...
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20 views

Fixing visual artifacts on mouse drag in virtualbox

Running Ubuntu on a virtual box on windows 7 I get visual artifacts whenever I move my mouse around. Those artifacts appear as boxes on the screen in the location where my mouse has been and they will ...
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1answer
47 views

VirtualBox apache

I have created a simple Ubuntu Server on VirtualBox. I wanted to run Apache server but I can't acces the website from any other device. I have checked that Apache is listening on port 80 using ...