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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VirtualBox - how to increase video memory?

I have just installed Ubuntu 14.04 on VirtualBox, including the guest additions. However, the display is really slow. Looking at the display settings I can see that the video memory is only 12MB but ...
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11 views

Menu options (e.g., Devices) are inaccessible after xubuntu installation on Oracle VirtualBox

Oracle VirtualBox is 4.3.22 and Xubuntu is latest from xubuntu.org. There is no menu just below the "title" line of Oracle VM VirtualBox. Also, most sub-windows' lower portions are inaccessible via ...
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1answer
241 views

VirtualBox 4.3.22 with Windows 8.1 x64 sharing folder

I'm trying to install Windows 8.1 x64 in a virtual machine. The problem is that I can enable the function to share a folder between host and guest. I followed the steps in this link: ...
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0answers
86 views

How To fix a PPTP VPN client connection (Ubuntu on VirtualBox)

I have just installed Ubuntu 14.04 on VirtualBox and I'm trying to set up a VPN client. I have configured it with the same settings I use on a Mac and I am able to connect from that without any ...
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0answers
15 views

Configuration file where set the interface which get ip address from dhcp

I'm running Ubuntu server 14.04 on a VM in VirtualBox. It has a nested DHCP which assign ip addresses to interfaces of the machine. The default behaviour is to assign ip address to eth0 interface. I ...
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1answer
53 views

Compiz crash in virtualbox

I had fully working 64bit Ubuntu 14.04 under VirtualBox 4.3.20. I then updated ubuntu and virtualbox and now I can login but the Unity will not display because compiz crashes with segmentation fault - ...
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0answers
30 views

Why can't I copy/paste or drag/drop into my virtual machine? [duplicate]

I'm working on a project, and I'm using Ubuntu Studio 14.10 inside Virtual Box (4.3.22; which is the latest version AFAIK). I'd like to copy some files from my host (Windows 8.1) to the virtual ...
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0answers
13 views

Download on a MacBook [duplicate]

Currently, I'm taking Introduction to Linux from the Linux Foundation via edX. I need to do my course Labs using a distribution of Linux. I have a 2008 MacBook, which is upgraded to 4GB RAM and a new ...
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2answers
26 views

How to move files from Ubuntu to Windows then back to a Ubuntu VM

What I want to do: Have a Ubuntu development VM on Windows 8.1. Setup: I have a new SSD that I just installed Windows onto. I have an old SSD (60GB) that has Ubuntu on it. Problem: I am a developer ...
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0answers
25 views

VM: Can not access to internet

I installed Ubuntu 14.04 LTS on VirtualBox 4.3.22 which is itself installed on Windows 7. I set the virtual machine network to NAT. Here is the content of my /etc/network/interfaces: auto lo iface ...
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2answers
36 views

Partition my disk for instaling Windows as a guest OS?

I never use virtual machine before. I plan to partition my hard drive (250GB) on a Thinkpad T400 laptop (8GB main memory, and install Ubuntu 14.04 as my main and host OS. In the future, when I have ...
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0answers
27 views

Software update shows a stop sign and no wifi/ethernet connection. 14.04.1

On Ubuntu 14.04.1, have been for a while. Symptoms: Screen resolution is low and no internet connection. I have tried both wireless and cable. There is a no entry ...
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0answers
35 views

VirtualBox :: USB 2 devices - No devices available [duplicate]

I've got an Ubuntu 14.04 PC with VirtualBox 4.3.10 installed and running OK. In there I have a Windows 7 guest OS running OK. However, the issue is that USB devices cannot be seen by VirtualBox. I ...
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3answers
53 views

Ubuntu 14.10 does not log in despite correct password

This is a rather bizarre problem that I am experiencing. My Ubuntu 14.10 does not let me log in despite proper password. Here is what happens: I try to log into my machine by entering the password. ...
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2answers
15 views

Ubuntu 12.04 Keyboard only works while pressing holding/pressing down keys

I'm running Ubuntu 12.04 on VM virtualbox. Yesterday, something happened while i was modifying a simple text file in my admin/regular user account. Now I can only print or perform actions involving ...
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0answers
14 views

USB not detected in my vm virtual box? [duplicate]

Hi this is my first question in this forum so i might be not very good with my words also we are programmers so we don't care about words and English grammer. I recently installed ubuntu 14.04 and i ...
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1answer
57 views

Can not install Ubuntu virutal machines on VirtualBox and VMware Player

I have tried several times in several days to install Ubuntu (from 12.04 to 14.04 versions) on VirtualBox, but in vail. The problem I encounter is shown on the following picture where everything ...
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0answers
46 views

errors while running 3D simulator - failed to authenticate magic and failed to load vboxvideo

I'm using VirtualBox to run Ubuntu (with the guest addition) on my Windows 7 laptop. I'm trying to run a 3D simulator called gazebo [it's installed like this]. When trying to run it, I get some ...
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0answers
31 views

Ubuntu unity 13.10 can't boot when restarting after the installation of guest additions (virtual box) [on hold]

First I hope the question hasn't been asked before... I've been reading threads on this forum for 2 days but none of them answers my question! So the title is exactly the problem: when I try to ...
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0answers
21 views

How to redirect TCP traffic from one virtual machine to another in Linux?

What is the simplest way to redirect all TCP traffic from one virtual machine to another in Ubuntu Linux and reverse? And what type of connection I suppose to use in VirtualBox?
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2answers
118 views

local DNS lookup not working, despite everything is in /etc/hosts

I am running Ubuntu (12.04) on Virtual Box and want my machine to be able to lookup its own hostname, the same way other VMs will do in this network (I am trying to build virtual cluster). There is no ...
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1answer
583 views

14.10: VirtualBox “No suitable module for running kernel found”, Cannot Find Kernel Source

After the 14.10 update to VirtualBox, I can no longer run my boxes. Of note, running sudo service virtualbox status returns VirtualBox kernel module is not loaded and running sudo service virtualbox ...
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0answers
45 views

I can't install any package on Ubuntu Server

I have installed Ubuntu Server 12.04 on VirtualBox 4.3.20 and my host OS is Windows 7. My problem is that I can't install any package. I always get this message: E: Unable to correct problems, you ...
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0answers
166 views

VirtualBox for Ubuntu 14.10 Kernel driver not installed (rc=-1908)

I have this error message: Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. ...
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0answers
21 views

VirtualBox: Can't access guest machines harddrive

I've installed VirtualBox 4.3.18_Ubuntu r96516 on my Kubuntu 14.10 box (host). I have a Windows 7 Home Premium VM as a guest running. Everything worked fine, but since some time ago I can't access ...
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3answers
245 views

VirtualBox stuck on “Starting Virtual Machine”

I just got a new work laptop but I am having a lot of difficulty getting virtualbox to run on it. It basically fails to start the virtual machine when I try boot it and remains stuck on "Starting ...
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0answers
32 views

How to merge 2 or more ISO files using GUI or CLI tools?

I downloaded Mac OS X 10.2 from here,in 7z archive and after I extracted it I got 2 ISO files and I cannot create a virtual machine with them,it gives me the error "FATAL.No bootable medium ...
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1answer
22 views

How to safely expand root partition for Xubuntu running in VirtualBox with GParted?

I tried it once and it worked fine for a day or two. However, upon rebooting it failed. I can't even get to recovery menu. All I see is a hyphen. Fortunately, I had made a back up of the VDI file. ...
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0answers
20 views

printer causing client-error-bad-request

My epson xp 400 printer used to work fine with my pc, which uses unbuntu 14.10 for an operating system. I did install VirtualBox and then installed Windows 7 inside VirtualBox, but I'm not sure if ...
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0answers
47 views

Effectiveness of virtualization in bios on virtualbox

I downloaded virtualbox to run Ubuntu. I ran into an issue with running 64 bit virtualbox, as my PC seems to not have the option to run virtualization in bios. Because of this, I only have the option ...
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0answers
85 views

network access through proxy server with virtualbox

In the company that I work, we have Windows 7 installed on all PCs. We don't have internet access through Windows but can set proxy settings in Firefox and can thus access the Internet. I installed a ...
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0answers
52 views

Installed programs disappeared on Ubuntu Gnome 3

I'm using ubuntu for over two years now. Two weeks ago, I installed Gnome 3, and I'm pretty satisfy, how it works. However, today I had very a strange situation. When I tried to install new program, ...
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0answers
12 views

MAAS not accessible on my virtualbox after installation

I installed MAAS on my ubuntu server which is running on a virtualbox hosted on windows 8, i tried accessing it from another node on the VM but its still not going. I read somewhere that i need to ...
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1answer
45 views

Can't access “computer” folder from Terminal in Ubuntu VM running in VirtualBox

I'm running an Ubuntu 64-bit Ubuntu 14 VM using VirtualBox on Windows 8.1. I wish to access the computer folder from Terminal, but I currently can only access it from the file browser GUI. I'm very ...
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1answer
129 views

Ubuntu touch on note 10.1 (2014) WITHOUT rooting

I just purchased a Samsung Galaxy Note 10.1 2014 edition (SM-P600) and wanted to test Ubuntu on it (and maybe on my Galaxy S4 as well). It is still under warranty, so I do not want to root it or do ...
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0answers
14 views

VMs connected user ip problem

I have a server and on the server running ubuntu 14.04 Vbox 4.3, and php virtualbox 4.3.1. So my problem is - I run TS3 servers, and Gameservers from the VMs and if someone connect the server and i ...
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2answers
50 views

ubuntu 14.04 installation in virtual box very slow

I am a newbie to the Unix OS , I was advised to start working on Ubuntu and due to some restrictions I had to install it on Oracle Virtual Box. I gave it the right amount of RAM but it's still not ...
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0answers
13 views

Virtualbox on Ubuntu 14.04 - Windows 7 VM keystrokes work 80% of time

Is there a way to adjust the keystroke sensitivity on a Virtualbox VM in Ubuntu 14.04? When typing in my Win7 vm (I'm using seamless mode), I have to type very slowly and push the keys PERFECTLY for ...
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1answer
35 views

Can't expand Ubuntu VM's hard drive space [duplicate]

Running df -h returns: Filesystem Size Used Avail Use% Mounted on /dev/sda1 3.9G 3.7G 1.8M 100% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 2.0G 4.0K 2.0G ...
2
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1answer
33 views

Is there anyway to show VirtualMachine after start it with VBoxHeadless?

I've installed a VirtualMachine to work on the background. I use SSH to control it via terminal. But, sometimes SSH service didn't work properly and I can't access the VirtualMachine outside. All I ...
2
votes
1answer
804 views

Vagrant up/reload error - default: Warning: Connection timeout. Retrying…

I had a fully functional vagrant for three months now, but for the last three days, I am getting errors whenever I try to run vagrant up or vagrant reload. This is the error I get when running ...
0
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1answer
60 views

Using Ubuntu as a main OS on my Netbook Designed for Windows 7 [duplicate]

Hello! I have Ubuntu on a virtual box. However, it's way too slow to do anything spectacular. I have this old Netbook that's designed for windows 7. Seen as how it doesn't have a CD slot to install ...
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0answers
47 views

Ubuntu 14.04 on VM on Windows 8.1 won't restart!

I have installed Ubuntu 14.04 64bit on my Windows 8.1 inside a Virtual Machine (VM VirtualBox). When I restarted my ubuntu, I got the following: It freezes and nothing happens! The only warning ...
0
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1answer
67 views

How to fix Virtualbox [closed]

I'm trying to launch a new windows xp virtual machine, but, when I do, I get this error message: Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE). Code d'erreur : NS_ERROR_FAILURE ...
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0answers
23 views

Is there a .vmdk file for Ubuntu? [duplicate]

Can Ubuntu be installed on Virtualbox? If yes how?
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0answers
28 views

Ubuntu Server in Virtualbox working slowly for Ruby On Rails

I have quite big rails app to develop frontend for, most work with design involve Adobe Illustrator and Photoshop, tried run them in VM but they work very buggy. So decided to go other way - to run ...
2
votes
1answer
84 views

I can't change screen resolution on VirtualBox with Ubuntu server installed on it

I have installed Ubuntu server 10.04.4 on VirtualBox but the screen appear too small. I read some guides that i have to change settings in grub to change the screen size, so i go to ...
0
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1answer
55 views

Problem in installation of Ubuntu in Virtualbox

I was trying to install Ubuntu 32 bits in Virtualbox but the following error occurred this kernel requires an x86-64 cpu but only detected an i686 cpu unable to boot please use a kernel ...
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0answers
49 views

want to use new headless server with VirtualBox; startx hangs at extension GLX

ssh'ing into the server and running startx yields this. Background info that may help: I originally hooked up my monitor and keyboard directly to the box, but now wondering if there are some ...
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0answers
17 views

Mouse scroll in VBox

As most of you know, Ubuntu, unlike Windows, has a handy feature that allows you to scroll with two fingers on a touch pad. I am running Ubuntu from virtual box on windows and of course that does not ...