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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No suitable module for running kernal found

I am new to Linux and really hit a wall with this one. I'm basically trying to set up VirtualBox for Vagrant. I had this working yesterday but today its not after I rebuilt my pc. I have tried to ...
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20 views

Swapping Caps Lock and Ctrl PROBLEM

I have tried a few different ways to remap ctrl and caps lock and none of them seem to be working. I am running Ubuntu on a Mac through VirtualBox. The two methods I have tried are using ...
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79 views

Ubuntu Freezes when Switching to Full-screen VirtualBox VM

I'm on Ubuntu-14.04 64-bit (with all the latest updates) and have a Windows-7 VM on Oracle VirtualBox 4.3.30 which I used regularly (almost everyday) in full-screen mode without any problems. But as ...
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21 views

Ubuntu 14.04 Host Win XP Pro Corp SP3 Guest How to Share HP AIO Printer

I have a Dell XPS L702X Laptop 64-Bit running Ubuntu 14.04 LTS for host OS. VirtualBox Guest is Win XP Pro Corp SP3. I have an HP ENVY 5530 DeskJet printer USB attached to laptop for host. I am trying ...
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14 views

Ubuntu Software RAID server and VMware conversion tool

I have tried to find an answer to this, through several unsuccessful forum searches. I have a Hosted Virtual Private Ubuntu Server that I have no physical access to. I downloaded VMware's vCenter ...
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97 views

virtualbox shared folder - kernel headers not found

I have read those questions: Why can't I access a shared folder from within my Virtualbox machine? and Error: kernel headers not found. (But they are in place) The second question equals mine, ...
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249 views

Virtualbox doesn't match with guest additions version

I have installed the virtualbox from the oracle site not with my ubuntu 14.04 repository. I've already downloaded the virtualbox guest additions that match my current virtualbox which is 5.0 from the ...
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71 views

How to configure dynamic DNS for IPv6 using bind and isc-dhcp-server

I have a ubuntu 14.04 LTS machine created in VirtualBox which I could configure IPv4 delegation via isc-dhcp-server. Then by follow this great tutorial, I could configure such machine to also update ...
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30 views

How can a serial connection be set up as a network interface if at all?

I have a VM running Ubuntu 14.04 on Windows 7. My Windows machine is connected to a (CAN bus) data generator which ends in a serial to USB connection. I can forward this connection to the Virtualbox ...
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20 views

Is it ok to run a virtual server (Virtualbox) with webroot within a shared directory with the host OS?

As everything is a little bit slower through a VM I thought I would try and put my project's webroot in a directory that is shared between the client (ubuntu 14.04) and the host (Windows 8.1). The ...
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64 views

Unable to mount/access Virtual Box Guest Additions

I checked many questions on this topic but none worked for me. I keep getting the error in the image shown below. There is nothing under the media folder to install manually too. The mount just fails. ...
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39 views

Reverse DNS Lookup on ubuntu inside virtualbox

I'm using Ubuntu 12.04 inside virtualbox on win7 using NAT for networking. I had to run the command : VBoxManage.exe modifyvm "Ubuntu" --natdnshostresolver1 on Which basically tells the guest to ...
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104 views

Resolution issue with Ubuntu 14.04 on virtualbox 4.3.28

I have installed virtualbox 4.3.28 on windows 8 64 bit. I installed ubuntu 14.04 lts b3 bit on it. I am having low resolution problem in it. I followed many blogs and forums but no luck till now. ...
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88 views

Enable eth0 without plugging cable to connect to virtualbox bridge

I'm using Ubuntu 15.04 with NetworkManager. I have internet connection on wlan0(dhcp, 192.168.1.0/24) and static ip on eth0(local network, 192.168.124.1/24). On my virtual machine in VirtualBox i ...
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161 views

Which emulator I can use for Install Ubuntu phone and Android dual boot virtually?

I do not have any smartphone. But I want to use and test Ubuntu Phone virtually. And also in that virtual device I want try to install triple boot system. That means I want emulator in which I can ...
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58 views

Can't boot ubuntu 14.04 on virtual machine

I have been using Ubuntu on Windows 7 through an Oracle VM VirtualBox. A few days ago, my password started to be asked in order to login on graphical mode (before, my password was never asked and I ...
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35 views

How can I migrate a ubuntu virtual machine which is hosted on windows Vbox to dual boot ubuntu and windows

okay, so if the title of this question does not clarify my question, here is the explanation I have a laptop with windows 8.1 and I'm running ubuntu as a virtual machine on it using VirtualBox, and I ...
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55 views

problem on display resolution while using VirtualBox to run Ubuntu 14.04

I am a new guys on Linux and I have installed Ubuntu 14.04 from VirtualBox which run on my desktop Windows 7. After successfully installed I have found the display resolution only have 640x480 and ...
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80 views

Can't login into Ubuntu VM

I've installed Ubuntu 14.04 32 bits into VirtualBox on a Windows 8.1 32 bits, but when I try to login, it just sits there for a while thinking, a black screen pops and it goes back to the users, it ...
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96 views

can't change keyboard layout to german on ubuntu server

I have a fresh installed ubuntu server in a virtualBox and am trying to set the keyboard layout to german, but don't succeed. I have installed and configured dpkg-reconfigure keyboard-configuration ...
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42 views

nc command: conflict between different Ubuntu machines

I am using Ubuntu 14.04. Then I have an Ubuntu 12.04 machine running on virtualbox. On the virtual box machine I listened on port 12345 using the command nc -l 12345 And on the host machine, I ...
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70 views

Setup Windows 7 Virtualbox notifications in host Ubuntu

Is there any way to setup notification (such as a message from Skype or Lync) coming in the Windows OS running inside a Virtual Box to be notified in host Ubuntu (At least something like highlighting ...
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265 views

Ubuntu Host in VirtualBox has long delays before startup

I run Ubuntu in virtualbox on a windows 8.1 host. After some updates of the guest, it started to have lags/delays before it starts. It also shows some warnings. After it starts, everything is fast. ...
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61 views

Why do I need to restart Ubuntu 14.04 LTS for my networking scripts to work?

When I started using 13.04 LTS on my Virtualbox VM (4.3.26), I turned off network manager and wrote some scripts for dynamically updating the static IP of my laptop on any network. I was doing this ...
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214 views

Touchscreen support for Ubuntu in VirtualBox?

I have seen the news about VirtualBox adding touch screen support: here But it seems like this was targeted mainly at Windows 8. There is also a thread over at the Virtual Box forums describing the ...
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23 views

Sync Ubuntu computer with Virtual Machine instance of Ubuntu

Here is my situation. I have a laptop with Ubuntu 14.10 installed that I do my work on the go and I have now set up a VM of Ubuntu 14.10 using Virtual box installed on my Windows Desktop. I'm ...
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129 views

How to configure promiscuous mode rejected in KVM bridge?

I am using Ubuntu 14.04 (3.13.0-45-generic #74-Ubuntu SMP) as Host OS. KVM version 2.0.0 I have disabled promiscuous mode in guest Virtual Interfaces along with corresponding host vnet & bridge ...
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84 views

Use Zentyal on Virtualbox with Mac Mini host… Crazy?

We are looking at upgrading our current server system in my school. Right now we have Zentyal 3.* running on a standard desktop PC. We never upgraded since we didn't want to break anything on the ...
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57 views

Running windows 8.1 on virtualbox whils on ubuntu 14.04

I am very new to Ubuntu and Linux. I am currently dual-booting windows 8.1 and Ubuntu and I just downloaded Virtualbox. I am wondering if it is possible to run my Windows 8.1 OS with all of my ...
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182 views

Running vagrant inside VirtualBox

I'm running Xubuntu 14.04 in a VirtualBox VM on Windows 7. Inside the VM, I want to use Vagrant as part of my development environment. The Vagrant setup executes successfully, until it wants the VM ...
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28 views

Ubuntu 64 bit and VM VB

I am currently running the last stable 64 bit Ubuntu version on a VM with VirtualBox on W7 pro 64 bits. I have tried several configurations, with some the sluginesh almost dissapeared, but I cant ...
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86 views

How do I connect to my VirtualBox Ubuntu 14.04LTS from the host's public IP(or domain name)?

I've been having a hard time with this. It's probably been 3 days now... Anyway, I've set up my virtualbox on Windows7 with a bridged adapter (eth0). Installed LAMP server and it works. I can ...
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125 views

VirtualBox: Display Size too small!! Can't reach or see anything, that includes the terminal!

Because I was tired of virtual box saying to update (even before I had a feeling it wouldn't be a good idea), I though well let's just get it over with... I'm running Lubuntu 14.10 (32 bits the ...
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50 views

Intel iMac Ubuntu Installation Troubleshooting

I'm having terrible luck trying to install any flavor of Ubuntu on my 2006 5,1 Intel Core 2 Duo iMac. I've downloaded the 32-bit and 64-bit current and past version, as well as tried torrent ...
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210 views

i was trying to install ubuntu on virtual box in windows 8.1 and got an error

Failed to open the optical disk file D:\programm setups\ubuntu-14.04.2-desktop-amd64.iso. Could not get the storage format of the medium 'D:\programm setups\ubuntu-14.04.2-desktop-amd64.iso' ...
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47 views

Ubuntu installer is blank (can't select partition)

As of now, I am able to run Ubuntu Unity through VirtualBox. Now, I want to install Ubuntu to a partition, which I have already created AND formatted. However, in VirtualBox, when I click 'install ...
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56 views

Ubuntu Virtual Machine cant' mount directories /dev /sys /proc

I am running this Ubuntu Virtual machine on CentOS5- Virtual Host Manager. The Virtual machine can't boot because it can't mount /dev,/sys,/proc. Killed: mount: mounting /dev on root/dev failed: no ...
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61 views

Is it better to partition a virtual hard drive in VirtualBox?

I am installing Windows 8.1 under VirtualBox Under Ubuntu 14.04. Is it better to partition the virtual hard drive for Windows into system and user data, just to separate them as if I would install ...
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31 views

How do I automate permissions to the files in the shared folder to be accessible by both the host MacOS and the guest Ubuntu through VirtualBox?

I was working towards getting Ubuntu 14.04 set up in a VirtualBox, and I have achieved that. I also have it at the stage where it's mounting my shared folder automatically. The only remaining problem ...
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29 views

Protocol error when mounting in virtual machine

When running the following command in an Ubuntu 14.04 VM in a 14.04 host, I get a mount: protocol error mount -t vboxsf -o uid=1000,gid=1000 updatable /opt/apps/directory/updatable Guest additions ...
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185 views

Symlinks: Can't create one because file exists, cant remove it because there is no such file

I posted this already on stackoverflow and it was suggested I ask here... I am running ubuntu 14.04 in vagrant on a windows 7 pc. I am running VirtualBox and git bash as administrator. I've created ...
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76 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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100 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 ...
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100 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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115 views

Ubuntu 14.04 LTS: Installed Ubuntu on latest Virtualbox 4.3.20. After login, I can only see blank screen. I am completely new to Ubuntu. What do I do?

Installed latest Virtualbox 4.3.20 on my Windows 8.1 machine. Then downloaded and installed latest Ubuntu 14.04 LTS .iso file from ubuntu.com After set up and all, the machine asked to restart. After ...
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226 views

Ubuntu 14.10 VirtualBox guest doesn't get IP from DHCP

I'm running Ubuntu 14.10 as host, and have tried a couple linux distros as guests, including Ubuntu 14.10. Each exhibits the same symptoms: they fail to configure the second network interface. ...
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805 views

“Vagrant Up” error

I entered "vagrant up" in the terminal and got this: /opt/vagrant/bin/../embedded/gems/gems/vagrant-1.7.1/lib/vagrant/pre-rubygems.rb:31: warning: Insecure world writable dir /usr/local/sbin in PATH, ...
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207 views

VirtualBox Ubuntu internet connection problem on Chrome ERR_ADDRESS_UNREACHABLE

I am a beginner Ubuntu user, I use it via VirtualBox. I was eligible to connect internet yesterday, but today I can't access most of the sites. For example I can search something in Google, but I ...
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91 views

Migrating from Windows 2000 (Server) to Ubuntu 14.10 (Server)

I'm BRAND SPANKING new to Linux. I'd really appreciate any help I can get with this. I've been tasked to upgrade a dying Windows 2000 box that acts as a file and print server. Sounds easy, right? ...
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71 views

How can I stop gedit crashing when using save as?

I keep encountering a problem when trying to use the Save As functionality in gedit when I am running a model that keeps creating files in the directory I am looking at. I have opened a file and ...