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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VirtualBox Ubuntu hangs when trying to restart after installation of NS2

I installed NS2 2.35 in my VirtualBox Ubuntu machine. After trying to restart the machine it hangs in the following screen. Any reason for why this happens? Your help is very much appreciated. This is ...
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1answer
19 views

VirtualBox Drag & Drop

I have VirtualBox 5.0 and the drag and drop feature is not working even though I enabled the bidirectional. Any way to fix it ? I believe I have downloaded all the required files for the virtual ...
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1answer
15 views

VPN, Loopbacks, Ubuntu Server, And VirtualBox

Is it possible to create a VPN server in VirtualBox, and then connect to it from the same machine? Also, will it actually secure my information if I'm using public wifi? I'm a novice when it comes ...
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8 views

VM Ubuntu Server 16.04 no network connection with static IP

My Setup: Oracle VM Virtual Box running on a windows 7 box Virtual hosting is enabled in Windows Box BIOS Steps taken: With Dynamic IP assignment the the Ubuntu server can ping everything. No ...
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1answer
11 views

Install second network interface on virtualized Ubuntu Server

I've just installed the latest Ubuntu 16.04 on a VirtualBox machine. I'd like to have two different network interfaces: the first one to access the guest machine from the host using ssh; for this ...
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3answers
21 views

Win XP on VirtualBox not recognizing USB

I have UbuntuMATE 16.04 and recently installed Windows XP on VirtualBox, but everytime y connect a USB stick or my External Hard Drive it's not recognized by Windows. Ubuntu recognizes both USB stick ...
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12 views

How do I activate my usb modem in my VM ubuntu server with windows host?

I have ubuntu-16.04-server-amd64 running in my virtual-box and I want to use gammu to send sms with my HUAWEI E153 HSDPA usb stick. I tried to add the modem in the serial port to see the modem in COM4 ...
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12 views

How can I mount VBox shared folder in Gnome-Ubuntu editing “fstab” on startup?

I am new to Ubuntu. Once I have tried to edit "fstab". But after editing the file my whole system had crashed. I have re-installed Ubuntu. I want to mount my j_drive from host OS windows-8.1 to guest ...
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2answers
12 views

Installing Ubuntu on Oracle VirtualBox without deleting Windows

This may seem like a dumb question, but on this screen: of the Ubuntu installation, if I select the first option, "erase disk and install Ubuntu", it should only affect the portion of the disk ...
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16 views

I/O Performance on my mounted drive is extremely poor

I have a windows 7 machine. I have installed Oracle Sun Virtual Box here. On this Virtual Box I have Ubuntu 14.04.2 LTS installed. I have mounted a remote windows network share in my ubuntu using ...
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1answer
14 views

How do I upgrade the BIOS or use “force_addr= 0xaddr”?

I am absolutely new in Linux system. I have installed Gnome Ubuntu-16.04 in a virtual machine using vbox in Windows 8.1. After installing, it says to restart. When I clicked to restart, I receive the ...
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12 views

Exporting VirtualBox - Takes long time?

I am using VirtualBox and exporting Windows 7 appliance. So far it is taking 52+ minutes. Does it usually take this long? How can I speed things up? Thanks.
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12 views

Connection to the internet using 3g modem ZTE MF190 on Ubuntu 14.04

I got problem with using 3G modem in Ubuntu. I installed Ubuntu 14.04 in VirtualBox and use it as guest OS. My host OS is Windows 7. I haven't problem when share hosts internet via NAT, but when i'm ...
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1answer
69 views

How do I take a screenshot of more than my desktop?

Whenever I push 'printscreen' or use the screenshot app I capture only my desktop background, see image: Update I tried shutter as per Andrea's advice. But it does the same thing, only returns the ...
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20 views

Open folders on USB drive over VirtualBox

I am running an application under Oracle VM VirtualBox. At the UXterm, I'm trying to install a driver from a flash USB drive. The driver is in the DCU-1.0.10 folder, on the F: drive (as identified by ...
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61 views

VirtualBox 5.20 on ubuntu 16.04 ERROR

I try install VB 5.20 on 16.04 ubuntu but get some erros and I dont know how to solve it. webmaster@server-hp:/opt$ sudo dpkg -i virtualbox-5.0_5.0.20-106931-Ubuntu-xenial_amd64.deb [sudo] password ...
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2answers
31 views

VirtualBox on Ubuntu 14.04 Issue [on hold]

I am kinda new to Ubuntu/Linux/Unix so please bare with me. I have purchased a virtual private server and installed Ubuntu 14.04 on the server, afterwards I have Installed VirtualBox on the server and ...
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0answers
46 views

VirtualBox problem: Kernel module is not loaded

I have installed VirtualBox several times, same error every time ( Also see screenshots below) WARNING: The vboxdrv kernel module is not loaded. Either there is no module available for the current ...
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37 views

SLOW Boot and Login times Ubuntu 16.04

Ubuntu 16.04 64 bit taking around 15 sec from Login screen to desktop and around 20 seconds from grub to login screen, tell me which services i can safely disable, i do not use virtualbox and ...
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1answer
30 views

Is it safe to delete the older setup files of the Ext Pack of a VB after installing a new version of Ext Pack?

My PC runs on Ubuntu 14.04 and hosts an Oracle VB. Since installing the VB I have twice received notifications asking me to download and install a newer version of Extension Pack, and I have done so. ...
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1answer
49 views

How to install VirtualBox in Windows 8.1 [on hold]

I'm trying to install virtualbox on my PC, but every time I try to install it through the command line, it says that sudo isn't recognized as a legitimate command.
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2answers
145 views

Set up a serial port with VirtualBox on Ubuntu (guest OS : Windows XP)

I'm having trouble for a few weeks now trying to access the serial port of my computer when working on the guest OS Windows XP Pro via VirtualBox. The host OS is Ubuntu 10.04 LTS and I'm using ...
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2answers
26 views

Configuring Ubuntu as internal network router

I am configuring an internal network using Virtual Box and 4 Virtual Machines. I have configured all the interfaces and messed a bit with IP Forwarding and IP Masquerade on Host which would be the ...
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1answer
29 views

Ubuntu server - cannot set static ip

I have set local ubuntu 16.04 server yesterday. I configurated static IP and everything was good. I was able to connect to the server. Today I travelled to city, where i stydy. The server couldnt work ...
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22 views

getting direct to /home/vagrant

I have installed Ubuntu machine on VB via vagrant. The problem is when I login to machine.I have to run cd command twice.e.g cd /home cd /vagrant to access directories rather than cd /home/vagrant ...
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20 views

Ubuntu server- static ip has changed

I have set an ubuntu server 16.04 today. I have set static IP in /etc/network/interfaces to this: #The primary network interface auto enp0s3 iface enp0s3 inet static address 192.168.56.20 netmask ...
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16 views

Putty SSH, refused connection by guest mininet machine

I followed the main VM installation notes on the Mininet website, and the VM works totally fine. But When I tried to SSH into the VM, at first it timedout the connection. Then after searching on the ...
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1answer
33 views

I couldn't find some softwares after installation on unity search

I installed VirtualBox via Ubuntu software center on Ubuntu 16.04 but I couldn't find it in search. So I search it through disk and I find it. My question is why this happened and how to fix it. I ...
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2answers
83 views

How do you copy/paste between Mac OSX and UbuntuServer 14.04 inside VirtualBox

I'm having issues trying to setup GitLab on my Ubuntu server, running inside VirtualBox on Mac OS X. Copy/Paste does not work. I have installed guest additions and have changed the host-key to ...
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0answers
5 views

Running ubuntu on vbox with guest additions breaks certain transparent modules

I've tried this several times over the years with multiple unique computers in terms of host OS and bit size. All of them were very fast. I've never had an external graphics card. Currently I have a ...
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0answers
76 views

Guest Ubuntu 16.04 runs very slowly in VirtualBox Windows 10 host

Machine is 64-bit ACPI motherboard with i5 quad-core and 8 Gb of memory running Windows 10-Pro host. Monitor is Acer T232HL touchscreen. Video card is AMD Radeon R7 200. Installed VirtualBox then ...
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0answers
20 views

'Incorrect password' on Ubuntu running as virtual machine

I am setting up a virtual server. I have installed Ubuntu Server 16.04 LTS on VirtualBox and have gone through the installation. After installation I went to test the server for the first time to make ...
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13 views

16.04 in virtual environment

Running Ubuntu 16.04 in a (iMac) Parallels virtual environment, how do I access my Seagate Personal Cloud. In the Mac I can see it as Personal Cloud in Finder, but cannot seem to identify it in ...
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1answer
24 views

why I can't intall kernel sources from repository

I was trying to install VirtualBox in my machine. I found that I need the kernel sources to do so. To see which kernel sources I needed I checked uname -r which gave: 3.2.0-59-generic-pae The first ...
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0answers
5 views

Mic input ignored in Win7 HVD running from Ubuntu 15, 16, but not 14

I originally asked this on "Unix & Linux", but it makes more sense here. Sorry if this is a duplicate for you. The actual symptom I'm seeing is on Windows 7, but I think the root cause is in ...
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34 views

VMware - starting services failed

I have some issue running VMWare Workstation Player 12 on Ubuntu 16.04 LTS. First I downloaded and installed VMware-Player-12.1.1-3770994.x86_64.bundle using this command: chmod +x ...
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0answers
19 views

Is there an efficient and safe way to remove VirtualBox kernel modules for uninstalled kernels

I used sudo apt-get autoremove --purge to remove old kernels in Ubuntu 14.04. And this works fine as long as they are marked as automatically installed but it said that it could not remove the ...
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1answer
97 views

install virtualbox v4.3.x to ubuntu 16.04

I have a vhdx file which is not read into virtulBox. I need to convert it to vdh format. Normally, I could do it using the following command line : VBoxManage clonehd --format VHD Laptop.VHDX ...
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1answer
21 views

Zoomed in display in Virtualbox

I'm trying to run an Ubuntu 16.04 VM in an oracle virtualbox but when I boot Ubuntu the display is extremely zoomed in. It is so zoomed in that all of the pixels are visible (the picture depicts the ...
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10 views

I am trying to install .NET Application, but every method is failing. Please Help

First Method I downloaded Virtual Box. Downloaded Virtual Image from Modern.ie (as it comes with installed .NET Framework). Still When Installing My Application it started downloading New C++ ...
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0answers
12 views

Accessing Onedrive/GoogleDrive of Host Windows 10 from guest Virtual Box Ubuntu

I have recently installed Ubuntu on Virtual Box on the host Windows 10. But now i not able to access the Onedrive, GoogleDrive and Dropbox from Ubuntu. Please can any body suggest me how to access ...
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1answer
41 views

Remove Dependencies - I don't want to install them

PC Specs OS : Ubuntu 16.04 LTS 64 Bit After reinstalling ubuntu back on my laptop, I installed google-chrome-beta,virtualbox and opera-developer, I decided to remove LibreOffice and `firefox. I ...
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0answers
58 views

Ubuntu 16: Software Updater issue - Secure boot password

Whenever I update VirtualBox or Nvidia proprietary drivers, I get the following error: After that, I needed to restart the computer or force to close the Software updater and execute sudo dpkg ...
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0answers
24 views

Running a .h and disk file [closed]

I have a project in which I need to implement a filesystem structure in linux.I am given a .h file(which includes commands like ls etc)and a .disk file.I am using debian linux(from oracle virtualbox ...
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0answers
21 views

Virtual Machine OSX Error

I run Ubuntu 14.04 and recently needed OSX to run a few programs I want (I'm a musician and I wanted to use ProTools which didn't seem to be usable on Ubuntu). I tried using this guide ...
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0answers
76 views

Eclipse hangs when creating project on Ubuntu (Vbox)

I'm running Ubuntu 16.04 on Virtual Box. It's the 64 bit version, and I have allocated 1024 mb of ram. My problem is when creating a new Java Project in eclipse, it just hangs and takes forever. I ...
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0answers
34 views

My VM is inaccessible. Runtime error opening NS_ERROR_FAILURE (0x80004005) How to fix it?

I was trying to start up my VM, when suddenly I closed VirtualBox and opened it, it appeared this: The selected virtual machine is inaccessible. Please inspect the error message shown below and press ...
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0answers
15 views

My VM keeps pausing. How to unpause and fix this problem?

When I started up my VM which the guest is Windows XP, it started to load and then it paused. When I tried unpause it, it didn't work. :( How do I solve this problem?
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4answers
183 views

How to install Wine or Winetricks and Virtualbox into Ubuntu 16.04

There are no other questions and answers that clearly explain how to install Wine or Winetricks and or Virtualbox into Ubuntu 16.04. Unfortunately, Ubuntu 16.04 does not come with Winetricks and or ...
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0answers
25 views

why VirtualBox-Error ? Failed to open a session for the virtual machine mysolaris1

I got this error in my VirtualBox Implementation of the USB 2.0 controller not found! Because the USB 2.0 controller state is part of the saved VM state, the VM cannot be started. To fix this ...