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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14.04 guest on Win 7 host can only 'see' one monitor in Settings>displays (I have two)

I have two VMs (VirtualBox) on my Win 7 host. One, Ubuntu 12.04, sees both monitors in Display>settings and works fine as far as monitors are concerned. I just added a second VM, the 14.04 install. ...
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1answer
29 views

ubuntu does not show its GUI interface after installing virtualbox-guest-x11

I am trying to use my Ubuntu on windows Virtualbox. With reference to this page (http://lifehacker.com/how-to-dual-boot-and-virtualize-the-same-partition-on-y-493223329), I managed to boot up Ubuntu ...
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1answer
40 views

Problem with internet access on virtualbox

I installed Virtualbox on Windows 10 machine and then installed ubuntu 14.04. But I have a problem with the internet access that I can't connect the ethernet network, while I still normally able to ...
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1answer
51 views

Cannot Install or Update Using apt-get with VirtualBox

I'm having a problem installing or updating anything from the command line in Ubuntu in VirtualBox. My host computer is running Mac OS X Snow Leopard (because my Mac is old), my virtual computer is ...
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35 views

Can't mount shared folders in Ubuntu Guest

With VirtualBox 5.0.2 and Ubuntu 14.04 installed, I have tried many solutions I found online and have not been able to mount my shared files folder. I have installed GuestAdditions, and I can login ...
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1answer
16 views

installing - Installing another OS on VirtualBox

I'll be installing Android OS on VirtualBox. I currently have Ubuntu 15.10 and when I installed it, I've chosen to have a crypt system (? this is like having a password request for the hard drive ...
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1answer
46 views

Permission denied on start-dfs.sh

I am trying to create a 2-node Hadoop cluster, following this guide. The one node is my Ubuntu laptop and the slave node, the 2nd one, is a virtualbox that also runs Ubuntu. I am doing in the master ...
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21 views

VirtualBox ubuntu 15 initial deployment problems of juju

I've tried to get a sample localenvironment juju deployment up and running multiple ways, but it always fails when it comes time to do an initial deployment. I've tried: - Downloading the VM at ...
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1answer
31 views

How to remove your installation .iso from the virtual optical disk drive in virtualbox?

I am following this question: How to install Ubuntu on VirtualBox? and I know want to remove the .iso, but it's not the same as in that question. Here is what I see: What I should do? I also ...
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0answers
17 views

Any way to run Ubuntu partition from inside Windows using VirtualBox?

I have a computer that dual boots Ubuntu and Windows but I've found myself needing to switch between the two more frequently recently. Having to reboot the computer to switch is a bit of a hassle ...
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41 views

Install Ubuntu on VirtualBox and enable Internet and host to guest communication

I'm pretty new with Virtualization software and with Linux. I'll try to explain what I would like to achieve: My host computer (Windows 10) is running on Windows 10 and is in a network with a lot of ...
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6answers
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VirtualBox rcvboxdrv setup error “Bad argument setup”

After I upgraded the kernel, the VirtualBox, as usual, complained that the VirtualBox Linux kernel driver (vboxdrv) is not loaded, and I had to execute /sbin/rcvboxdrv setup as root. Unfortunately, ...
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2answers
320 views

Virtualbox error after installing new linux kernel 4.4

I have ubuntu x64 15.04 and I have installed latest stable kernel 4.4. I also installed virtualbox 5.0.14, downloaded from here. I tried to run a virtual machine and I got this error: I tried to ...
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0answers
41 views

why is my virtual machine inaccessible?

I want to start my virtual machine but in VirtualBox Manager, it says it's inaccessible and that I should be inspecting the error log which says: Document is empty. Location: '/home/ron/VirtualBox ...
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0answers
15 views

VirtualBox on a iMac

I am having display problems with the VirtualBox on my iMac. I install the latest VirtualBox and Ubuntu. This is the first time using this combo as I have always just use Ubuntu on my older laptops. I ...
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0answers
23 views

after new installation of Ubuntu on a virtual machine 64-bit reboot hanging

Virtual Box Oracle VM VirtualBox Manager Ubuntu download information General Name: Ubuntu 14.04.3 LTS 64-bit OS: Ubuntu (64-bit) System Base Memory: 1024MB Boot order: Floppy,Optical,Hard Disk ...
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1answer
40 views

Color calibration on Ubuntu

I noticed that colours on Ubuntu look different than on Windows, on the same laptop. The problem is that when I use Photoshop in Virtualbox and I make a solid colour image in one colour, and when I ...
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1answer
31 views

Virtualbox with Ubuntu 14.04.3 desktop not working

So I have installed Ubuntu 14.04.3 on Virtualbox, and installed the OS when I booted it for the first time. Ubuntu was successfully installed and it had me restart the machine. I did this, and logged ...
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0answers
14 views

how to correctly set two static ip address in ubuntu VM running in virtualbox

i want to set up two static ip address in ubuntu VM running in virtualbox in bridge mode. I have done the following, auto lo iface lo inet loopback auto eth0 iface eth0 inet static ...
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1answer
7 views

Installing Ubuntu on Oracle VM Virtual Box Manager:Partition

Installing Ubuntu on Oracle VM Virtual Box Manager.I haven't done any partition in Windows. During the Installation, I have a notification box saying 1 . My Question is: What is the next step to be ...
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1answer
43 views

Ubuntu keeps going to log-in screen on Oracle VM VirtualBox

I installed Ubuntu on an Oracle VM VirtualBox and when I log in, it seems to load, but then goes back to the login screen again. The same problem happens when I "try" or "install," except "try" brings ...
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0answers
70 views

VirtualBox Ubuntu 14.04 - Bridge adapter not working

I'm having some troubles setting up my network connection using the Bridged Adapter configuration. I'm just starting with Linux and even if I was going through different forum discussions on the web, ...
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1answer
29 views

How to increase video memory in VirtualBox? [duplicate]

So I am using a vm for ubuntu and i want to use my full 2GB of video memory from my graphics card, and i can boost the memory to 256MB but its nowhere near what i want. Is there a mod, driver, ...
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0answers
35 views

how to use windows 7 host usb devices in Ubuntu14.04 guest in vbox5.0.10?

I am using Windows 7 as host OS and VirtualBox 5.0.10 and installed Ubuntu 14.04 LTS. I already installed the guest extension pack and still I am not seeing any connected USB devices in Ubuntu guest. ...
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0answers
114 views

“Make sure to load the kernel module” Error E_FAIL (0x80004005) from Windows VirtualBox

When I try loading Ubuntu from the VirtualBox VM, I get the error that says: Make sure to load the kernel module has been loaded successfully The whole error: Failed to open a session for the ...
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0answers
19 views

NTP question on ntpdc -c peers

I just started learning networking. I recently installed ntp on Ubuntu 14.04 running in Virtualbox on OS X. I was just trying to understand how it works. so when I executed ntpdc -c peers command in ...
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59 views

VirtualBox VM Netflix is choppy on chrome

In Ubuntu 15.10 inside virtual box in Chrome my Netflix is choppy. I have updated everything. Any ideas.
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1answer
13 views

Stop some processes from autorunning

As the title, I'm trying to figure out a way to avoid the following processes from autorunning when the system starts: Virtualbox, Tomcat7, ntopng, tor. So, until now, I tried to simply create a ...
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0answers
53 views

Idling VirtualBox Windows XP guest consumes >100% CPU host

As the title, I'm running a Windows XP 32bit guest on a Ubuntu 14.04 64bit host using Virtualbox 5.0.12. More often than not the Virtualbox process consumes more than 100% of CPU, even if the guest ...
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1answer
36 views

How do I clone a hard drive that is in use?

I have a Linux server on a virtual machine with virtualbox, but would like to copy to backup while in use, because I can not stop to be giving various services. I have seen the snapshots, but I see I ...
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1answer
43 views

Ubuntu Server 15.10 (Minimum Virtual Machine) Keyboard Layout

I'm using Ubuntu Server 15.10 (x86) in Virtualbox. Just want to play with it. Somehow, I just found a problem with keyboard layout. I'm using German keyboard and already set it during installation. ...
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1answer
16 views

How to move a exe file from kalivm to winvm?

I am using virtualbox for kali and win7 and Ubuntu as host. I tried copy paiste, cut paiste, didn't work. I should have the right setting for virtualbox to copy and paiste, because i can copy and ...
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0answers
19 views

Authentication Error Software Center (can't install applications from software center)

I am trying to install VirtualBox and whenever I go to install it I get this error: I'm also running crouton on a Chromebook Dell Series 11 (Ubuntu XFCE) Anyone know an easy way to fix? Let me ...
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1answer
30 views

virtual box - error with ubuntu 14.04 lts

enter image description here I installed virtual box from ubuntu software centre & i installed genymotion and downloaded a virtual device . when i run i get the error
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2answers
85 views

Impossible to install EPEL 5.4 on Ubuntu 14.04

I'm a noob of Ubuntu. I'm following some instructions to install epel-release-5-4.noarch.rpm on my virtual Ubuntu 14.04 hosted in VirtualBox. I tried the command: sudo rpm -Uvh ...
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1answer
18 views

Virtualbox windows guest taskbar always visible

at work I use a Ubuntu Linux 14.04, and most of of the software a I use have a compatible/alternative on Linux, but some corporative softwares run only on windows. Because of it I have intalled ...
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2answers
41 views

Ubuntu in Oracle Virtual Box running on Windows 7

I am trying to get Ubuntu version 14.04.1 running on a Windows 7 64 bit system. The Oracle VirtualBox is version 5.0.12r104815. From a terminal window in Ubuntu I am able to ping google.com and other ...
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0answers
66 views

Does Ubuntu work with 4K Laptops?

I am about to buy a 4K laptop and I would like to run Ubuntu 15.10 on it. I believe that shouldn't be a big problem. I'm sure I can adjust the text and the Unity UI just right. The thing is that I ...
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1answer
124 views

Ubuntu 15.10 on Windows Host VirtualBox Problem

I install Ubuntu 15.10 on Windows 10 host on VirtualBox, on first reboot after installation complete(the one Ubuntu wants) there is an error like this: SQUASHFS error: Unable to read fragment cache ...
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1answer
17 views

How can I restore the VirtualBox graphical user interface to show the snapshot menu? [duplicate]

My VirtualBox GUI is missing the snapshot menu. How can I restore the menu bar that features this entry?
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0answers
76 views

VirtualBox bridged network adapater not working

VirtualBox version: 4.3.34 r104062 I have problems setting up bridged mode in VirtualBox. The host OS is Ubuntu 14.04 and the guest is Kali Linux 2.0. Setting the network adapter to NAT works ...
2
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1answer
396 views

Latest Stable Kernel 4.4: VirtualBox 5 kernel modules …FAILED!

After installing of a Latest Stable Kernel 4.4 there is a problem with a virtualbox-5.0_5.0.12-104815-Ubuntu-trusty_amd64.deb. VBOX broke and reinstallation doesn't help. // Recompiling VirtualBox ...
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0answers
53 views

Virtualbox error in supr3hardenedwinrespawn

i get this error everytime, i have tried enabling Virtualization Technology in bios too, still it wont work. And everytime i install virtualbox my internet goes off[no connection are available] ...
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0answers
34 views

Running into issues on Ubuntu with Laravel, Vagrant, and Homestead

When I try to run homestead, by just typing into console 'homestead', I get the message: homestead: command not found But I know homestead is installed because when I type in ...
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0answers
16 views

Dual boot vs. Virtualbox for driver support

I have a Macbook Air 2015 El Capitan. Unfortunately it does not detect my printer (HP LaserJet 1022) and neither my external USB HDD. However, Ubuntu does support both. If I install Ubuntu in a ...
0
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1answer
25 views

Fixing crashed VirtualBox installation

I've recently installed VirtualBox via apt-get: apt-get install virtualbox It worked totally fine. During work in my virtual system I experienced a crash. Since then I'm not able of starting ...
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0answers
57 views

Virtual Box: Add Host Only Adapter

I try to create the network first in file-> preferences. I get the error: Failed to create the host network interface. VBoxNetAdpCtl: Error while adding new interface: VBoxNetAdpCtl: ioctl failed ...
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0answers
12 views

Terminal login prompt not shown when PHP script added to /etc/rc.local

I need Sphinx search and a PHP websocket server to start up when my Ubuntu server is started. Having the Sphinx command in /etc/rc.local works fine: /usr/bin/searchd --config ...
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0answers
54 views

Can't access internet after set static ip address on ubuntu 14.04 on virtualbox

I am using ubuntu 14.04 on VirtualBox. After I set static address I can't access internet. i practice like below: sudo nano /etc/network/interfaces Change to: # The loopback network interface auto ...
0
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1answer
72 views

mysql-server apt-get install failing

I am trying to install mysql-server on a fresh copy of ubuntu/trusty64 (Ubuntu 14.04.3 LTS). I am using vagrant/virtualbox. I ssh into the box and run the commands below. You can easily replicate this ...