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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Ubuntu 14.04 amd black screen in VirtualBox

I have a problem with my VM on my work computer. I had it in VirtualBox 4.3.16 on Windows 7 64-bit host, running Ubuntu as a guest. It was working fine, just a bit slow because my computer had limited ...
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23 views

Aptana stopped working

I have been using Aptana Studio since last two-three weeks for python and erlang development. Yesterday, Aptana notified me about the erlide updates and I installed it and then there was a aptana ...
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20 views

ubuntu guest network issue

On my Mac host, in Virtualbox->Settings->Network, I chose Bridged Adapter and en1 Wi-Fi (Airport) interface, check marked Cable Connected. On the ubuntu guest, eth0 is assigned ip address in the same ...
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33 views

xUbuntu virtualbox instance black and blank

My Oracle VirtualBox xUbuntu was complaining about not having enough space to create a tmp/ directory. This was happening in the terminal every time I tried executing a command. To solve that problem ...
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262 views

Not able to connect to Cisco Anyconnect VPN

I am using Ubuntu 14.04.1 LTS and Cisco AnyConnect Secure Mobility Client Version 3.0.4235. When I try connecting to vpn, I get error message as "AnyConnect cannot confirm it is connected to your ...
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76 views

Virtualbox-Failed to open a session for the virtual machine in ubuntu

**Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE). Details Result Code: NS_ERROR_FAILURE (0x80004005) Component: Console Interface: IConsole {8ab7c520-2442-4b66-8d74-4ff1e195d2b6} plz any ...
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88 views

How to increase Graphics peformance in Ubuntu 14.04 running as a guest in VIirtual Box?

I'm relatively new to Linux, I have played around with Ubuntu for 6 months but not a Linux Expert so please try helping in newbie terms I have Ubuntu 14.04 Running as a Guest in a Windows8.1 Host ...
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172 views

VHD Native Boot via windows 8 boot loader

ok so ive just finished my last class for the semester and in the next few days after my certification test i plan to reformat my pc. i will be installing windows 8 via a .VHD native boot. i will be ...
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51 views

Guest OS booting hangs in virtualbox

I am running virtualbox 4.3.10 in ubuntu 14.04 LTS. I have a working guest OS of open suse 13.1 in this virtualbox. What I have done I exported this appliance to ova file, so that I can use it in ...
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19 views

Recovering 12.04 running in virtualbox

I'm running ubuntu 12.04 as a guest in virtual box on a Windows 8.1 host. The system keeps freezing when it does not have the mouse or keyboard captured (not happened when it does have it captured ...
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41 views

Problem in virtual box

I've recently installed Ubuntu 14.04 in a virtual box. When I try to use it the desktop doesn't work. If I press Ctrl+Alt+F1 the system asks me to enter the username and password and it seems to work ...
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46 views

Problem when trying to start OS in virtualbox

Any OS I try to start in VirtualBox shows the following error: Failed to open a session for the virtual machine 71. Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE) and it shows in "Details": ...
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66 views

Virtualbox server 13.10 port forwarding through router access to static IP/internet

I have an Ubuntu 13.10 server guest setup in Virtualbox (I have a windows8.1 machine). My question is: how to setup port forwarding to access the webpage from the internet. I have disabled the ...
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32 views

Network configurations and client/server operating system

I am working on a project for my operating systems class. I'm having difficulty fulfilling 2 requirements for it. It asks for 5 network configurations for Ubuntu Gnome and what client/server operating ...
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41 views

Problem With Ubuntu Server; Gives Weird IP And IP Timesout In Browser

I've reinstalled the server OS a few times in a VM and every it launches fine and you'd never know anything is wrong until you put in ifconfig and it spits this out: inet addr:10.0.2.15 ...
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52 views

Empty virtual consoles in 14.10 on virtualbox

The boot process and the virtual consoles has no visible output. I can log in and start programs but everything is invisible. The gui and xterm are working normal. Virtualbox is 4.3.20 and the problem ...
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127 views

Why my VM Ubuntu works always slowly?

I am very new to Ubuntu. I started to run the Ubuntu 14.04.1 from VirtualBox 4.3.18 on a mac 10.0 (upgraded from 10.6.8) since last week and it was extremely slow. I followed the suggestions here by ...
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417 views

Ubuntu VM on Virtualbox keeps aborting

I have Virtualbox (v4.3.18) installed on my Mac X (10.10) and created a VM with Ubuntu on it (ubuntu-14.04.1-desktop-amd64.iso). After the installation was completed, it asked to reboot, and when I ...
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146 views

Can't start/open session with ubuntu with this below error.. need help

//Error Result Code: E_FAIL (0x80004005) Component: ProgressProxy Interface: IProgress {c20238e4-3221-4d3f-8891-81ce92d9f913} UBuntu version: 14.04.1 Virtualbox ver: 4.3.18 or 4.3.12 //tried both ...
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87 views

Multiple NICs in Host with virtual box and guests

I am trying to use multiple NICs so that I can assign two NICs to Virtual box VMs and have just the 3rd NIC run just the Host. Is it possible to put 3 or more NICs in the Linux host and have only one ...
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35 views

Virtualbox holds host OS suspension

I have Windows XP installed as a guest OS. If XP is currently running, pressing "sleep mode" in lxsession-logout or using this dbus-send --system --print-reply --dest="org.freedesktop.UPower" ...
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135 views

Mounting ubuntu 14.04 host folder into VirtualBox guest Ubuntu 12.04 directory

I have a host ubuntu machine running ubuntu 14.04. I would like to share it home folder - let say /home/ln. I have installed a virtual machine using virtuabox running ubuntu 12.04. I want to share all ...
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34 views

Xubuntu SSH/SCP/SFTP to a VM as a folder

I'm really hoping you guys can help me out with this situation. I've done it many times before on other distributions (centos) where it was as easy as having the file manager opened and selecting to ...
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62 views

Virtualbox grabbing cursor and keyboard but it not working

Virtualbox 4.3. Ubuntu 14.04. The cursor and keyboard grabbed but it not working from my Centos on Virtualbox 4.3. It works only from grub menu when I booting centos (I can select how to booting by ...
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348 views

Using extended multiple monitors in Kubuntu 14.10 Plasma 4

I use VirtualBox 4.3.12 r93733: Guest OS: Kubuntu 14.10 Plasma 4 x64 Host OS: Windows 7 SP1 x64 Ultimate I configured the virtual machine to have 2 monitors: When I launch Kubuntu 14.10 Plasma ...
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53 views

My Ip address keeps changing each time I restart my virtual computer

I have a KVM configured running two VMs with almost exact characteristics, the main difference is the service they provide. The IP network is obtained via DHCP(I have configured a bridge in the KVM) ...
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55 views

Virtual Box and Gnome settings doesnt work

Rezising Linux Partition which contains the ubuntu OS in 14.04 LTS I had this problem and was solved it by the method explained by aveemashfaq But now certain applications have some problem. Running ...
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104 views

retrieve Virtualbox mac address

When cloning a Virtualbox client I can check, to "Reinitialize the MAC address of all networks cards" Later "full clone" can be checked so the virtualmachine is really identical. This can sometimes be ...
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95 views

How to harden/tune Ubuntu then package it back into an ISO

I am interested in delving into Amazon Web Services (AWS), and would like to create a few EC2 instances from my own hand-tuned instances of Ubuntu Server 14.04.1 LTS. What I would like to do (I ...
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389 views

Control VirtualBox using libvirt on Ubuntu 14.04

I am running an Ubuntu 14.04 Desktop and have VirtualBox 4.3.18 installed on it. Also libvirt is installed, from the ubuntu repositories. The libvirtd deamon is running, as root. On another Ubuntu ...
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85 views

Is it still necessary to disable KVM modules when installing VirtualBox?

I'm about to install VirtualBox in headless mode, on an Ubuntu server running 14.04. In the past it's been necessary to disable or remove KVM and Qemu, as VirtualBox will not run if they're present. ...
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39 views

Can't find Ubuntu64 on Oracle VM when creating new VM

I could only find the 32-bit versions of all the OSs, but not a single 64-bit one. Yes, my processor is x64 and my Windows8 is 64-bit version as well. So I don't know what the problem is. I read ...
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124 views

how do I set up network interfaces with Virtualbox

I'm running Ubuntu in a VirtualBox (4.3.12) VM from Windows. Bridge adapter mode does not work. Currently, my interfaces file looks like this: auto lo iface lo inet loopback how do I need to ...
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38 views

ssh error into different ubuntu account permission denied

I have two instances of ubuntu installed on my VirtualBox. First instance name is aks@aks-VirtualBox and the second instance name is erica@HBMaster. Now when I try to ssh from first instance to 2nd ...
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88 views

(X)Ubuntu some graphics only render on 2/3 of screen

Short On Xubuntu 14.04 running on a Inspiron i3531-1200BK laptop , the xfce log-in screen only renders 2/3s of the screen, but issue is not present for xfce desktop after logging in. Issue also ...
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115 views

VirtualBox isn't enabling video acceleration

I'm using ubuntu 14.04 In virtual box I enable 2d and 3d acceleration as well as CPU acceleration. I did it after installation but I don't believe it would matter. I installed windows 7 and did the ...
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29 views

Official Ubuntu Virtualbox appliance

Is there any official premade VirtualBox appliance with Ubuntu? Google reveals several sites with collections of appliances, including ones with Ubuntu, however none of them looks official. I'd like ...
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137 views

Virtualbox 4.3.18 Host W8.1 Ubuntu 14-04 updates

I'm running Virtual box 4.3.18 on win 8.1 host (laptop, Asus N750vj /i7 hq4700/ 8Gb ram) what is equipped with dual graphic cards 1-st. intel HD 4600 and 2nd Nvidia 750M Guest opsys is Ubuntu 14.04 ...
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64 views

System update in Ubuntu 14.04 running in VM causing loop while signing in

This has happened 4 times consecutively and I can now summarize the steps to reproduce the problem. I'm running Windows 7 Home Premium to put everything into perspective Download Ubuntu 14.04 iso. ...
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67 views

virtualbox installed on ubuntu 14 , no 64bits as OS?

I tried to install Kali for linux on virtualbox I got this common issue with kernel "This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot – please use a kernel ...
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306 views

problem getting microphone to work in xubuntu running inside virtualbox

I recently installed xubuntu 14.04.1 on my Windows 8 host with Virtualbox 4.3, and it's really great. I use it for my freelance job so I can separate my work activites from my personal activites. Only ...
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120 views

Ubuntu 12.04 in a VM as DHCP / Router

Preface: I'm quite noobish Desire I have a bunch of IP phones I want to program using DHCP options 66/160. Our router is just a standard D-link so doesn't handle options. So I figured I would ...
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136 views

GNS3 MSloopback adapter or Bridge Adapter

I am used to using Windows I was able to accomplish this by creating an MSLOOP back adapter and bridging my network card to the loopback. However now I want less overhead and Would like to use Ubuntu. ...
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388 views

to start Ubuntu I use Virtualbox but when I start the VM nothing happens

"Creating process for virtual machine "..." (GUI/Qt)...(1/2)... at 0%" is the only thing i see. Nothing happens. I want to install the 32-bit version of ubuntu and I did everything just as it is shown ...
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40 views

How to enable Minimed CareLink usb in VirtualBox with Win7?

I have a Medtronic CareLink usb, to analyze the data from my insulin pump. The provided software works with Windows 7. I have a PC running Ubuntu 13.04 with Win7 in VirtualBox. But the usb is not ...
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32 views

How can i start another operating system from within the ubuntu live cd?

I'm in a situation where i want to test various backup scripts for a remote vbox or vmware VM. For that I'm going to use an improvised 'pre-boot' environment for the guest machine made from a ...
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68 views

VirtualBox in encrypted container TrueCrypt

Sorry for my bad English. I need to hide the use of VirtualBox in Ubuntu. How to install VirtualBox in an encrypted container TrueCrypt? That no one could not get access to my VirtualBox without ...
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489 views

Is this 4k resolution support, or 1080-?

I am having an issue with Ubuntu. I am running the latest version under Oracles VirtualBox. The highest resolution it will accept is 1600x1200. I have a new Samsung 28" UHD 4k display. I need to run ...
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231 views

Unable to resolve (even ping) hosts on command line while reaching them in browser

I am trying to perform some actions in a Ubuntu (12.10) inside a Virtual Box, under Windows 7 I can perform most tasks, access any needed repositories ... except for some, and I don't understand ...
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77 views

My VirtualBox VMs Virtual Disk Folder are missing after reboot

I using VirtualBox in Ubuntu 12.04 64 bit and yesterday one of my windows guest got bluescreen so swithed off my guest. After restart it won't start, when I saw the guest virtual disk file and folder ...