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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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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321 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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1answer
158 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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1answer
36 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
54 views

How to install VirtualBox in Windows 8.1 [closed]

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
163 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
45 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
54 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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27 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 255....
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24 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
49 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
140 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 right-...
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0answers
8 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
419 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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38 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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15 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 Ubuntu'...
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1answer
28 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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6 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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63 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 ./VMware-Player-...
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29 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
268 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 Laptop....
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1answer
41 views

Zoomed in display in Virtualbox [duplicate]

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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16 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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31 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
54 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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130 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
158 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
76 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
31 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
411 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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22 views

VirtualBox Shenanigans

So I am on a Win 8 Host trying to run Lubuntu (latest) live disk ISO and to fix a resolution problem, I had to go into TTY1 then back out again to escape the garbled pit of text mode. The problem is ...
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46 views

VirtualBox can't open '/dev/fd0'. How to fix?

When I tried to start my VM on a Ubuntu host, it threw this error: Failed to open a session for the virtual machine Windows_XP Cannot open host device '/dev/fd0' for read/write access. Check the ...
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9 views

Lubuntu Weird VirtualBox Problem [duplicate]

So I tried to install Lubuntu on VirtualBox, but as soon as the Lubuntu text mode splash screen was over, this happened. the whole screen went text mode and garbled colors. If it helps, when on the ...
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1answer
407 views

Jumping black screen at Ubuntu 16.04 on VirtualBox 5.0.20

I'm installing Ubuntu 16.04 on VirtualBox 5.0.20 at Windows 10 and I had a resolution issues which was solved by pressing Host Key + F1 and Host Key + F7. After it I tried to install and configure ...
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1answer
75 views

Latest Ubuntu Update Affects Networking in VirtualBox

I installed the latest Ubuntu updates this morning, May 14, 2016 on two installations hosted by VirtualBox (4.3.28 on one machine and 5.0.20 on a second machine). After the Ubuntu update, the two ...
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9 views

Ubuntu Desktop Stopped working. GNU Grub comes up instead

I was following along with an online course to learn about setting up a Ubuntu Desktop environment via Virtualbox on a Windows 7 machine. Everything was workiing fine, including getting ruby and rails ...
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2answers
86 views

How to run the GParted Live CD image?

I downloaded the gparted-live-0.26.0-2-i686.iso from the Live CD page and added to my VM: A double click on the CD icon on the Desktop only opens the image folder. The option "Open With Run ...
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2answers
86 views

Guest system does not see the updated disk size in VirtualBox

In the last time on every start of my Ubuntu 14.04 VM I'm getting the message Low Disk Space This computer has only 314.8 MB disk space remaining. You may free up some space by emptying the ...
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2answers
41 views

Ubuntu boots to command line after kernel error

I was attempting to install Windows 7 in Virtual Box with Ubuntu 14.04 as the host OS. While so doing, a kernel error message came up. Suddenly, the terminal and software center were gone. I managed ...
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0answers
75 views

Unable to get Virtual Frame Buffer / Display (Xvfb) Information with xdpyinfo

Ubuntu Server 16.04 running in VirtualBox Setup sudo sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' sudo apt-get update sudo apt-...
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1answer
125 views

16.04 VirtualBox VM (from vhd file) hangs at “non blocking pool is initialized”

I'm trying to boot Canonical's Azure 16.04 .vhd file in a VirtualBox VM and it hangs at "non blocking pool is initialized". It works in Hyper-V, so it may only be a bug in virtual box (5.0.20).
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Graphical issue at Ubuntu 16.04 on VirtualBox 5.0.20 [duplicate]

I'm installing Ubuntu 16.04 on VB version 5.0.20. First problem with which I faced that it can't properly reboot after installation. It tells about some BIOS problem. I restarted VB and after it boot ...
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47 views

Install Ubuntu in VirtualBox , FATAL: No bootable medium found! System halted [duplicate]

I've recently installed the latest version of Oracle VirtualBox (Version 5.0.20 r106931) on my laptop (OS of my laptop is Windows 10). I've decided to install Ubuntu 16.04 LTS (64 bit) in VirtualBox. ...
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3answers
39 views

Can VirtualBox use unallocated space on hard drive for its virtual HD?

This may be silly question for some more experienced guys. I have more than 100 GB of unallocated space on my hard drive. So I was thinking, that instead of using the space in my Ubuntu partition, it ...
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29 views

ALT key on Freecad software not working virtualbox (Host OS CentOS 6.7, Guest OS Ubuntu 16.04)

ALT key by itself is not working virtualbox for Freecad. However ALT+L (and some other ALT key combinations) are working for locking screen. I tried http://unix.stackexchange.com/questions/24460/...
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15 views

Time is ticking slower in Virtual Ubuntu Server

i do not exactly know what happend but for any reason after restarting Ubuntu the Time in the Virtual Server is ticking slower. I'm using the latest LTS Ubuntu 16.04 Xenial Xerus. The Host is a ...
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1answer
23 views

Strange sound issue. Hear sound from a running Vbox VM but can't from Xbuntu

I have a weird issue that I have no idea where to even start looking. My sound on my Xubuntu 16.04 is not working if played though the GUI but if I have a VM running in Virtual box I have sound coming ...
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0answers
27 views

lost everything after restarting my computer (virtual machine, favorite websites, history)

I just restarted my computer and lost everything. What should I do? Virtualbox is not there. I have no time setting back everything. My history in Chrome is gone. The phpstorm app crashed and I ...
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1answer
20 views

Virtualbox guest addition insert related

I've ubuntu 15 as host machine and windows virtual. when I clicked on the insert guest addition image it says and when I clicked on download I did not download and through an error: