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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Error in installing Ubuntu (32 bit) Desktop on Virtual Box with Windows 10 Host

I can't install Ubuntu in a VM on a Windows 10 host. This is the error showing each time I attempt an installation of Ubuntu on Virtual Box:
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1answer
4k views

VirtualBox USB proxy error

Using VirtualBox 4.1.12, as packaged in Ubuntu 12.04, I'm unable to use USB 1.1 device (a Canon FS-4000US scanner) within a Win XP VM. I'm able to connect other USB devices, such as a USB flash drive, ...
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0answers
6 views

How to create virtualbox.deb file after compililg Virtualbox OSE source package

I just want to manually create virtual box.deb file after successfully compiling the source code (Virtualbox-5.0.16.tar.bz2). I have done hardend build for compiling virtualbox and followed this link ...
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0answers
23 views

Ubuntu Server 16.04 unable to get virtualbox running

Cannot get vboxweb-service to start for phpvirtualbox. Many changes to where the initialization and services go. Basically, I'm dead in the water trying to establish a Ubuntu 16.04 virtualbox host. ...
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0answers
50 views

Ubuntu 16.04 VirtualBox can't autoresize

I have install Ubuntu 16.04 on VirtualBox. Then i tried install Guest Additions from CD but it seems bad installation. So i install guest additions from apt-get and it seems like good installation. ...
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0answers
14 views

Lubuntu hangs on blue screen, but not when using VirtualBox

I have a multi disk system. One disk is Windows 10, the other Ubuntu 16.04. When using Windows 10, I often boot the Ubuntu disk using VirtualBox's "physical disk" option on a VM. I installed ...
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0answers
14 views

How to debug why Kubuntu crashes?

I am installed Kubuntu 16.04 in a Virtual box VM. I have a SSD disk and have disabled atime in /etc/fstab to decrease number of writes to SSD. All the latest updates are installed. When I start ...
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0answers
26 views

No audio in Ubuntu 16.04 LTS with VirtualBox 5.0.20

I have been breaking my head on this for a day and a half now. I am running VirtualBox 5.0.20 r106931 in Windows 8.1. My Guest system is Lubuntu 16.04 LTS, and I have successfully installed the ...
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0answers
14 views

Updated my server and phpmyadmin stopped working

I updated the my ubuntu server (virtualbox) - I got this message when logging in my server to enter an update that starts with 'db' I think, and it made a long update, where it asked me to run an ...
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1answer
15 views

Permission denied when accessing su

I am running Ubuntu on VirtualBox and I can't access Su. When I type su and enter my password it says permission denied. I want to create and edit files through terminal so I need to do this.
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4answers
15k 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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11answers
93k views

Getting error message when trying to start a virtual machine

I have been using VMWare on Windows for a long time. But after a long wait, I moved to VirtualBox on Ubuntu 11.10. I installed Ubuntu, 32 Bit, installed all available updates and installed Virtual ...
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1answer
19k views

How to enable nested virtualization in ubuntu

I would like to do some lib testing on my OS. So I need several environment to run KVM. And I found my guest machine was not able to run KVM. I was using virtualbox 4.2.
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2answers
4k views

No “eth0” listed in ifconfig -a, only enp0s3 and lo

So, I setup my Ubuntu box with VirtualBox, default settings - simple ISO image launch. After installing Ubuntu, I proceeded to test multiple programs, and everything was working fine. I have full ...
18
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2answers
39k views

How to start a Virtualbox machine via command line (without GUI)?

I know that this is possible, but don't know how... I am just trying to start a virtualbox VM called ubuservloc from the command line, but without success.
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1answer
25 views

How to copy to and from clipboard in virtualbox

I am running virtualbox 5.0.18 in ubuntu 14.04 Desktop(host machine) and I have vms running ubnutu 14.04 Server(no UI). I have enabled bidirectional clipboard sharing but still not able to copy from ...
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0answers
10 views

Virtualbox can not setup Windows server

I want to install windows server in Virtual Box in ubuntu 14.04 But I got these errors : A critical error has occurred while running the virtual machine and the machine execution has been stopped. ...
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1answer
4k views

Gennymotion unable to load virtualbox engines

When I start gennymotion this is the error message shown: Unable to load VirtualBox engine. Make sure that it is properly installed before starting Genymotion. For more information, please ...
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1answer
88 views

Upgrade VirtualBox headless 4.2 to 5.0 on Ubuntu Server 14.04

I have a VirtualBox headless installation up and running on a Ubuntu Server 14.04 machine. I installed VirtualBox via apt-get install virtualbox. Now I would like to upgrade this installation to 5.0, ...
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0answers
13 views

How to install Ubuntu on a VirtualBox in Windows?

Please make your answers super complete. As in from the download links to a ready to use state. :)
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1answer
42 views
+50

How do I restore a Virtualbox VM from backup? (qcow)

I have backed up the contents of the directory "VirtualBox VMs" and now I am trying to restore the states of my virtual machines by copying the backed up files, back. Now when I select "Machine" -> ...
3
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1answer
733 views

kubuntu 16.04 release unusable in virtualbox

Installed the released amd64 version of Kubuntu in a VirtualBox virtual machine - single CPU, 4096 Gb memory, 128 Mb video memory, single monitor. After install, following instructions from several ...
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1answer
254 views

Help installing kubuntu-desktop on Ubuntu 16.04

Well, the problem is that I'm trying to install KDE alongside Unity on Ubuntu 16.04. I'm using the command sudo apt-get install kubuntu-desktop* kdm* but I'm not sure if this is correct. If it isn't, ...
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1answer
3k views

How to take advantage of VirtualBox paravirtualization in an Ubuntu guest?

I have an Ubuntu 14.04.3 (with linux-generic-lts-vivid (3.19) kernel) 64-bit host, and a VirtualBox guest with the same OS and configuration. The host has an AMD A10-7800 CPU. If I enable the KVM ...
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2answers
329 views

Cannot reinstall virtualbox on ubuntu 16.04

I just upgraded to ubuntu 16.04 from 15.10 and my virtual box doesn't want to start anymore. I tried purging virtualbox, virtualbox-dkms and vagrant from my system and it seems to work (I'm not a ...
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0answers
11 views

bindfs with filesystem ACL support?

I have been using the ServerPilot service to provision a Vagrant box (14.04 LTS) for local development. NFS is the fastest option when setting up a synced folder between the host and guest VM but this ...
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1answer
26 views

CTRL button in nano not registering (ubuntu server 16.04 in virtualbox)

I am running Ubuntu server 16.04 LTS guest OS in Virtualbox 5.0.8 under Ubuntu MATE 15.10 LTS host OS. I am setting up a little development LAMP server and I am editing apache configuration files. I ...
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0answers
16 views

Start and Stop VirtualBox Applications and Save State

Right now I have a .sh file to start Photoshop seamlessly and a .sh file to shut down the VM and save the state. What I would love to do ultimately if possible at all is have one script(launcher if ...
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0answers
50 views

Virtualbox in Ubuntu 16.04 - Unity grabs Alt and Super key

This is something that was answered in the past already for previous versions, there are bug reports but nothing really solves it and it's still present in 16.04 If you have Ubuntu 16.04 Unity as ...
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2answers
59 views

Updated 16.04 does not work after login - how can I recover?

16.04 (now updated from 15.10, under Win7/VirtualBox 5.0.18 as a guest) starts, login appears, then nothing can be seen but the bare desktop background picture only. Can I recover somehow, or return ...
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2answers
10k views

How can I send VBoxHeadless to the background so I can close the Terminal?

I would like to start virtual machines in headless mode. The advantage: I can logoff from the desktop, and the machine will continue to run. However, starting the virtual machine blocks the Terminal ...
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5answers
2k views

Could not load 'vboxdrv' after upgrade to Ubuntu 16.04

I upgrade from Ubuntu 15.10 to 16.04 and since then VirtualBox 5.0.18 isn't starting my VMs anymore. It complains that 'vboxdrv' isn't loaded. So I try to load it and get the following error: $ sudo ...
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3answers
10k views

How to use Ubuntu-provided virtualbox package after uninstalling virtualbox-4.1?

I installed Oracle Virtualbox per the instructions on the Oracle website, but can't use XP or Ubuntu VMs after switching back to the Ubuntu standard version. To switch back, I have edited ...
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6answers
20k views

How do I mount .vhd file?

I'm using 13.04 Raring amd64 and I need to mount a .vhd file on my ubuntu. I've googled about it and found that virtualbox-fuse package is the answer. But the package was deleted from apt repository. ...
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4answers
226 views

“Installing extension pack …” stuck at 0%

On a freshly installed Ubuntu 15.10 I installed VirtualBox (from Ubuntu's repository), created two VMs and imported an OVA, at which point I was told to install the extension pack. So I downloaded ...
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1answer
34 views

Ubuntu 14.04.4 Black Screen w/ non blinking underscore

I have been using Oracle VM VirtualBox to access my Ubuntu Desktop for some time now. All of a sudden, when I load up my VM, I see a GRUB menu with options to load Ubuntu, Advanced options for ...
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0answers
79 views

Virtualbox doesn't work after upgrading to kernel 4.4

At the time of installation, it displayed the following message Setting up linux-image-generic-lts-xenial (4.4.0.21.11) ... Setting up linux-headers-4.4.0-21 (4.4.0-21.37~14.04.1) ... ...
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2answers
178 views

Interesting VirtualBox Plex Permissions Issue

My system is setup with an Ubuntu 14.04 installation running a 14.04 guest virtual machine, via Oracle's Virtual Box. I also have 3 x 2TB drives setup in a zpool. To give the virtual machine access ...
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1answer
28 views

How do I permanently disable notifications about Auto capture keyboard and Mouse pointer integration for a Virtualbox VM?

I have installed Ubuntu 16.04 on a VirtualBox VM. Now every time I boot it, I get two overlay notifications from VirtualBox: You have the Auto capture keyboard option turned on. This will cause ...
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2answers
7k views

unknown version of the X Window System installed. Not installing X Window System drivers

I am using Ubuntu in a virtualbox, when I try to install guest additions I get the error: Warning: unknown version of the X Window System installed. Not installing X Window System drivers. ...done. ...
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1answer
86 views

Virtualbox Resolution: Ubuntu Gnome 16.04 Host - OS X El Capitan Guest

I managed to install OS X on Virtualbox and it works fine for my purpose, which is basically trying to be cool. Anyway, I wanted to optimize the resolution for OSX. This worked fine VBoxManage ...
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0answers
16 views

Multiple ip addresses on single nic removes dns-* options

I need 2 or 3 local ip addresses on a single nic on my Ubuntu server 16.04 (on virtualbox with intel pro/1000 mt network card). Currenlty I have this: auto enp0s3 iface enp0s3 inet static ...
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vote
6answers
23k views

Where is the Devices menu of a Windows virtual machine?

I want to install Guest Additions in a virtual Windows 7 running inside Ubuntu. The VirtualBox instructions are: In the "Devices" menu in the virtual machine's menu bar, VirtualBox has a handy ...
15
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7answers
24k views

What is the correct way to share directories in Mac and Ubuntu with correct permissions?

In VirtualBox, what is the best way to share a directory between an OS X host and Ubuntu guest? Host: Mac OS X 10.7.3 Guest: Ubuntu 12.04 Guest has a shared directory mounted via VirtualBox settings ...
0
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0answers
15 views

16.04 - resolution change breaks up the display [duplicate]

I'm running a Virtualbox VM with Ubuntu. I've installed virtualbox-guest-dkms and the guest additions to automatically change the resolution every time that I change the size of the virtual box. This ...
0
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1answer
6k views

VirtualBox can't open windows 7, Ubunto 14.04 host

I downloaded a Windows 7 iso, created the VM for it , but I'm getting the following error- VT-x is disabled in the BIOS for both all CPU modes (VERR_VMX_MSR_ALL_VMX_DISABLED) Result ...
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0answers
124 views

Kernel Panic when setting up Ubuntu 16.04 with VirtualBox

FIRST NOTE: I tried the solution proposed by this topic, but it did not work. Besides, the fact that I've reinstalled Windows recently could (or could not) make my situation a little different. Some ...
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2answers
18 views

How to switch to a TTY in Virtual Box VM? [duplicate]

I am running an Ubuntu 16.04 VM in VirtualBox 5.0.18 and I need to switch to TTY1, how can this be achieved? Is there a keyboard shortcut to achieve this in the guest session because doing the normal ...
0
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0answers
31 views

Problem with Nvidia GeForce 840M on my Lenovo Z50-70 (Ubuntu 14.04)

I have a Lenovo Z50-70 with Ubuntu 14.04 (3.13.0-85-generic)and since I was trying to enable the Nvidia GeForce 840M for gaming on this laptop, I tried several proprietary drivers plus Bubmlebee plus ...
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0answers
7 views

Access Windows XP desktop remotely

I am trying to figure out a way to use Quickbooks on Ubuntu. I have tried Wine and Crossover with no luck. I looked at Quickbooks replacements, but couldn't find any that do inventory and invoicing ...