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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how to fix error when starting ubuntu in virtual box

Failed to open a session for the virtual machine ubuntu 14.04LTS. The virtual machine 'ubuntu 14.04LTS' has terminated unexpectedly during startup with exit code -1073741424 (0xc0000190). More ...
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32 views

How to access VM hosted Ubuntu 14.04 with graphical UI from windows 7

I'm quite new with Ubuntu, and even more with remote Ubuntu. I got VM that is hosted on server, and it has Ubuntu 14.04 on it. I'm connecting via Windows 7 Putty/telnet connection (SSH), and I can ...
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87 views

Connect to MongoDB database on Vagrant(VM) from local machine (using RoboMongo)

I have installed MongoDB on Vagrant based VM, and I can connect to it on VM. But not from my local machine. I'm using RoboMongo to connect and following are the credentials, Host - 127.0.0.1 Port - ...
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64 views

Having trouble installing VirtualBox 4.3 on Ubuntu 12.04

I'm getting the following message when trying to install VirtualBox-4.3 sudo dpkg -i ~/Downloads/virtualbox-4.3_4.3.24-98716~Ubuntu~lucid_amd64.deb dpkg: dependency problems prevent configuration of ...
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34 views

virtualbox cant load(install w7 64-32bit)

I'm trying to install Windows 7 64 bit in VirtualBox in Ubuntu 14.10, I epicly fail which is just hocus pocus when I read it so I hope somebody can help me. Kernel driver not installed (rc=-1908) ...
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122 views

Cursor disappears when Mouse Integration is disabled in Ubuntu GNOME 14.10 [Virtualbox]

I would to use hot corners in Ubuntu, it works, but I can't see the position of the cursor. I can only see when the hot corner is activated or when an item is hovered over. This problem is caused ...
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116 views

VirtualBox: Ubuntu doesn't boot after shared folder added

I am pretty new to the VirtualBox and Ubuntu space, so I appreciate any help I can get, and I apologize if I break etiquette! VirtualBox running Ubuntu 14.10 guest on Windows 8.1 host. Host specs: ...
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35 views

Login problem with Ubuntu(64bit) 14.04.1 Desktop amd64

I am totally new to Ubuntu. I am using it on VirtualBox. I successfully used for a while and suddenly I found myself unavailable to log in. The only thing I can suspect is the last update for ubuntu ...
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41 views

Customized Kubuntu 14.04 LTS: Problems in Virtualbox

So I made a customized Kubuntu with BlackLabImageCreator, the .iso is 3GB large. My problems now are that: 1. It's slow as hell, I tested with a "normal" Kubuntu 14.04 iso, it ran pretty smooth. 2. I ...
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61 views

can't seem to scp from an Ubuntu Virtual Box

I'm trying to scp from a virtual box of Ubuntu to my school's web server. I've followed the instructions seen here: How to SCP a file(s) from Ubuntu Virtual Machine to Remote Web host? and I can't ...
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35 views

Crash when creating new VM with VirtualBox but no obvious change in CPU, Memory or I/O usage in System Monitor

When creating a new fixed size VM in VirtualBox even though my memory usage, my CPU usage and my I/O usage in "System Monitor" stay at their normal levels, my entire machine crashes until the VM has ...
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26 views

Cursor is Frozen When Reinstalling Ubuntu VM

I'm in the process of reinstalling Ubuntu on a VM on VirtualBox(this one is Ubuntu2; I didn't delete the files from the previous VM called Ubuntu) and when I get to the setup page that says Try ...
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27 views

Two /home folders. One root, maybe?

I recently expanded my Ubuntu partition to fill up the empty hole my Win 8 left when I cleaned it off my system. After several attempts to restore the dd image I made, I was able to finally restore it ...
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54 views

Why can't MAAS VM Node Commission properly

My issue appears to be with the MAAS Proxy. I used Ian Zoratti's VirtualBox extensions link to his GitHub site so that the MAAS Cluster Controller is able to start up the VM properly and pushes the ...
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23 views

Ubuntu 14.04 runs on Virtualbox but not on PC

I once upgraded from Ubuntu 12.04 to Ubuntu 14.04 but it didn't started correctly(only black screen appeared). Then, I switched to terminal mode by pressing Ctrl+Alt+F1 and installed proprietary ...
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73 views

virtual box and dependency

I'm working on learning more about Ubuntu and building ROMs from source for Android and I'm trying to install all the tools to build the ROMs but I have got as far as this command sudo apt-get ...
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74 views

virtualbox shared folder is read only in centos guest

I have virtualbox 4.3.10 installed on my ubuntu host & have centos as guest os. I have shared folder, but am not able to write to that folder. Added my centos root user to the vboxsf group as ...
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13 views

Hardware problem with unity script. Ubuntu installed on VirtualBox

I have Ubuntu installed on my VitualBox. I don't know what the problem is but sometimes when I boot Ubuntu, it says you don't have the specific hardware for running Unity, and changes the UI to a ...
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162 views

Help!? Login loop with Ubuntu 14.04

I was finishing up my CS mp tonight, as I do svn commit -m "mp" I got svn: The log message is a pathname (was -F intended?); use '--force-log' to override I thought I need a reboot, so I ...
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51 views

VirtualBox guest (Ubuntu) has no network

I have a host - windows 7 and a guest (virtualbox) - ubuntu 14.04. A few days ago I installed ubuntu 14.04 on vmware. I believe, that in that moment internet on virtualbox ubuntu stopped working. ...
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157 views

Connection Refused on port 3000 when accessing ubuntu server running on VirtualBox on Mac

I am running Ruby on Rails on Ubuntu server 14.04 on Virtualbox 4.3.22 running on a Mac OS (10.10.2) host. When trying to access the rails webserver from the Mac, I get a "Connection refused" error ...
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35 views

Uninstalled VirtualBox but can still connect to phpVirtualBox?

I have removed VirtualBox along with all packages and configurations files using purge and remove but when I try to connect to the phpVirtualBox login page it still exists. I have tried searching ...
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61 views

ModemManager errors and warnings after official update

I use Ubuntu 14.04.1 (64 bits) inside Oracle VM Virtual Box. Two days ago I used Software Apdater to perform updates. I do not remember what updates were in the list, but the next time when I tried to ...
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42 views

No Bootable Medium found after changing Harddisk size

I was running Windows7 on my virtual box. I was requiring to increase the size of Hard disk so I find out VBoxManage modifyhd YOUR_HARD_DISK.vdi --resize SIZE_IN_MB My machine was running that time. ...
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60 views

fdisk /dev/sda fail, possible to restore?

I'm new here, so I hope I post this in a place where someone is able to help me. Earlier today I was messing around with fdisk to be able to run my windows partition through a VirtualBox. At a point ...
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65 views

Laptop Monitor Flicking then turning completely black when using Ubuntu

When I am using my Ubuntu on Virtual Box, my laptop screen blinks then turns black. The only way I've found to be able to bring my laptop back is Ctrl +alt +del. The laptop is still on but the monitor ...
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27 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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26 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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46 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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42 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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84 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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74 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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72 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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339 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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42 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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161 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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65 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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203 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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40 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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17 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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24 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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105 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 ...
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25 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 ...
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202 views

VMWare WindowsHost + Ubuntu Core + Docker + Ubuntu Unity?

I am new to Docker, and until now I didn't need it in fact. Recently, I bought WindowsTablet, SurfacePro2, and I want to keep using WindowsOS for the hardware compatibility and optimization. ...
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75 views

Screen resolution on ubuntu 14.04 does not change even after installing VBoxGuestadditions

I tried to increase the screen resolution of my Ubuntu VM hosted on VirutalBox 4.3.12 after installing VBOXGuestadditions, however, it does not seem to increase the screen resolution all that i see is ...
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98 views

Virtualbox with Host Ubuntu and Windows 8.1 as a guest running IIS

I want to run an IIS Express server inside a Windows 8.1 machine and access the address from my Ubuntu host. However, no matter how I configure the network I cannot access the address, even thought ...
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109 views

Vagrant snapshot installation problem. Ubuntu 14.10

I have some troubles with vagrant snapshot installation. I have vagrant(1.4.3) and virtualbox(4.3.18). I'm trying to install snapshot plugin via sudo vagrant plugin install vagrant-vbox-snapshot and ...
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113 views

libvirt-bin Remains in Stopping State When kvm Guests are Running - 14.04.1

I'm trying to ensure that any guest KVM virtual machines gracefully shutdown when the host server is shutdown/rebooted. I'm running Ubuntu Server Trusty Tahr (14.04.1) with following versions of ...
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94 views

nvidia-settings does not recognize displays

I'm using Ubuntu 14.04 on an Alienware 14 (2013), with a GeForce GTX 765M. I'm also using the recommended nvidia drivers (331.113). Here's the deal: nvidia-settings doesn't recognize any of my ...
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76 views

Virtualbox error after updating ubuntu 14.04 server

after Updating my Ubuntu 14.04.1 x64 server Last night (15 Jan 2015), virtualbox error: The selected virtual machine is inaccessible. please inspect the error message shown below and press the ...