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 with 3D acceleration on virtual box freezes after save state

I have Ubuntu 14.04 running in Virtual Box with 3D acceleration enabled. When I save the state of the machine and then resume from that saved state, the system is completely unresponsive. I'm unable ...
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176 views

Mac host and Ubuntu guest on virtual box shared folder issue

I have set up ubuntu server on virtual box on my mac. I created a shared folder which appears to be saved and visible in the configuration section on virtual box for the ubuntu server machine. My ...
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47 views

Run virtualbox in other X session

I'm running ubuntu on my laptop (host). Inside ubuntu, there is running one instance of virtualbox. (where is installed MS Windows). My idea is to run virtualbox in separate X session (something like ...
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60 views

Enable seamless mode for kalilinux

I'am in ubuntu 14.04 , Windows 2012 work fine with seamless mode in virtualbox but Kalilinux the seamless mode is disable. i had install Guest Additions and enable 3d and 2d acceleration.
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51 views

No USB boot. No CD boot. Can I install Ubunto on a Mac Mini?

I've been through the answers to similar questions, but they all require USB or CDROM booting. I've installed EFI - it might be that I've not done that correctly, but it boots in EFI, but doesn't find ...
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51 views

How to reset ubuntu to state just after installing(in virtual box)

I have been using ubuntu in virtual box. I created a virtual hdd of fixed size. But now the disk is full. I don't know how (it had 10 Gb space). I need to reset the ubuntu to initial state as if just ...
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758 views

How does one run Unity 3D (the full free version) in Ubuntu Studio?

How does one install Unity 3D (the full free version) on Ubuntu? I have tried to run the program through Wine 64-bit, and I get this message every time: Error initializing license system. Please ...
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88 views

Virtualbox Guest Additions are not used

Today, it seemed in my Ubuntu 14.04 VM (Kubuntu 14.04 host), there was an update for the Guest Additions to 4.3.12, and I was requested to install them from the Devices menu. I did this, but even ...
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283 views

xubuntu: compiz using 100%+ cpu

I seem to be experiencing an issue with Compiz in terms of cpu usage. The only thing I've been doing differently (been running this system for a month or two with no issues) is I have been running ...
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477 views

What is holding my USB device when I try to use it in VirtualBox?

Ubuntu host, XP guest. When I connect the USB device I want to the virtual machine, I get: Failed to attach the USB device Microchip Technology Inc. PICDEM FS USB Demo Board (C) 2004 to the ...
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100 views

Moved a VBox guest to a physical host; network is up, but OpenSSH is not. Why?

I've come a cross an issue I really don't understand. I wanted to install Ubuntu Server on a headless box I have. The desktop sits right next to it, and adding and removing disks are very easy, so I ...
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19 views

virtualbox doesnt recognize automonted partition

I have image of virtual win7_64 on a DATA partition which doesn't mount automatically, so.. not to open it manually every time before I run VirtualBox I did: http://askubuntu.com/a/165462/258828 ...
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3k views

Ubuntu 14.04 Virtualbox Guest USB Drive Mounting Works For Some Devices but Not Others

I have a VirtualBox ubuntu guest running on a osx host. I've searched the web and implemented the solution for similar problems, but nothing has helped me resolve my issue. When I connect my phone, ...
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41 views

LTSP Server in Ubuntu

I am creating an LTSP server project in which I have Ubuntu 10.04 as the OS. On VirtualBox, I have at least 1 client installed right now and the server itself. I installed the server using a desktop ...
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749 views

Installing 14.04 (64bit) and restoring certain config files from 12.04 (32bit)

I currently have a 12.04 LTS (32bit) installed alongside Windows. I've also set-up virtualbox inside my current Ubuntu installation. Well, I know that a simple sudo update-manager -d will get me ...
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281 views

Can't connect to configure CUPS through web interface

I'm trying to connect an old HP LaserJet 1000 printer on a new Windows machine. The printer hasn't had any new drivers since XP. I found a solution online with this recommendation but I'm getting ...
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27 views

Two Cursors Unbuntu 12.0 on VirtualBox

I have two cursors showing on my machine. I have two monitors on my system and for some reason when I also have a two cursors. The second cursor's vertical position always mimics the first cursor, ...
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67 views

Cannot access Horizon Dashboard after log out

I have installed OpenStack on Ubuntu 12.04 Server on Virtual Box following the tutorial from here Everything was set up well and I was also able to access Horizon Dashboard. But when I power off VM ...
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116 views

Will Dragon Naturally Speaking work in a Windows 7 VM running in Ubuntu?

About the only Windows app I want is Dragon Naturally Speaking. I know people have had some (partial?) success - at least with older versions running under wine, but I would like to get the full ...
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35 views

Can i convert the guest OS to main OS?

I have Ubuntu 12.04 installed on my computer and windows XP as guest OS using virtual box. Can i change the main OS to XP without having to format Ubuntu and installing Windows XP?
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224 views

0% [Connecting to us.archive.ubuntu.com]

I'm doing a project for College where I have to host a specific piece of software on a Ubnutu server and allow any hosts on the server's network to install the software. When my server's network ...
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86 views

Ubuntu 12.04.3 Desktop hangs during installation in VirtualBox

I checked the list of responses that were suggested and didn't find anything that helps. My problem is that the installation has hung up when performing a "Restoring previously installed packages" ...
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91 views

how to quit sshuttle and get system networking back to normal in VBox

I love sshuttle. My new fav toy. But...when i run from the command line and I use ctl-c to quit....my networking is screwed and I have to restart the VM. Using 12.04 Here is how i start from the ...
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390 views

VirtualBox Ubuntu 12 stuck on boot screen with logo

I am running Ubuntu 12 on Virtualbox(version 4.2.6) on Mac OS X. I installed the Guest Additions by following the instructions from ...
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180 views

How do I make wireless bridged networking work with linux guest in kvm/qemu?

I am running the ubuntu 13.10 cloud image on kvm/qemu. The guest networking works fine operating in NAT mode when on wireless. Wired bridged networking (eth0 + macvtap) works fine as well. When ...
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80 views

Permissions won't change

I opened Nautilus as super user to try and edit permissions. I can open the drop menu and change, but they instantly revert back to their original state before I can even click "apply changes." What ...
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282 views

How To Configure Multiple Virtual Machines As An Internal Network Via SSH

First of all, I am using Windows 7 as a host. Then I install Ubuntu 12.04 Guest under VirtualBox. Then I get an access to the other four virtual machines (also Ubuntu 12.04 Guest) via ssh by running ...
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70 views

How to make Ctrl+Super+left/right work in Virtual Box Ubuntu 12.04?

I use Ubuntu 13.10 as a development machine and found that buttons Ctrl+Super+left/right are quite useful for me. From time to time I'm working on Ubuntu 12.04 installed on Virtual Box and ...
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90 views

ubuntu in virtual box in a macbook pro crashed during installation

I have a mac book pro and I need to test ubuntu under virtual machine. I have downloaded both xubuntu 13.10 64bit both ubuntu 12.04 64bit I have downloaded Virtual box, created a new machine (with ...
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547 views

Artifacting with VirtualBox 4.3 seamless mode and Windows 8.1 guest

Host OS is Xubuntu 12.10. When I try to run Windows 8.1 in VirtualBox 4.3, I'm getting some artifacting at the top of the screen (the orange is from the background image in the VM): Is there any ...
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339 views

SSL certificates issue with Ubuntu 12.04 as guest OS in a Windows7 virtual box behind strict firewall

I have set up an ubuntu guest for Rails development in a Windows7-hosted virtual box. The windows workstation is a behind an extremely strict firewall with often fluctuating rules. The ubuntu host ...
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145 views

libOSMesa.so is missing during Mesa installation

I am trying to setup a Virtual Box for doing off-screen rendering with ParaView. I have Ubuntu 12.04 64-bit Server installed in the box. For setting up ParaView and Mesa I have followed the ...
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605 views

Error trying to run ubuntu in virtualbox

I have followed directions to install Ubuntu 12.04 on VirtualBox. Trying to start the machine gives me the following error: buffer i/o error on device zram0 .. and Ubuntu does not open. I have ...
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257 views

Setting up pxeboot dnsmasq in VirutalBox with Ubuntu 12.04

My dnsmasq.conf interface=eth1 domain=yourdomain.com dhcp-range=192.168.50.100,192.168.50.200 dhcp-boot=pxelinux.0,pxeserver,192.168.50.1 enable-tftp tftp-root=/srv My /etc/interfaces auto lo ...
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3k views

Virtualbox VT-x is not available

So I had virtual box working perfectly before I decided to do a complete system wipe recently. Upon re-installing a 64 bit version of Ubuntu 13.04 and running a full upgrade, I attempted to set my ...
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89 views

Wrong magic bytes at the start in lib

I was curious to know how this happened and how to correct it? Setting up gstreamer0.10-plugins-good (0.10.31-1ubuntu1.2) ... dpkg: error processing gstreamer0.10-plugins-good (--configure): ...
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76 views

importing a virtual machine inside another virtual machine

I have a hadoop cluster of VMs hosted on VirtualBox. The VMs are all ubuntu, and the host system is windows 7. How can I import all of these VMs into 1 ubuntu vm?
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96 views

Unable to write to virtual drive placed on different drive in the same hardisk using VirtualBox

So here is the condition, my initial condition is as same as this thread. But the problem is, I have following the same procedure and it just does not work. The virtual machine failed to write to its ...
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706 views

Can't change keyboard layout on a VirtualBox

I installed a Django stack from bitnami on VirtualBox, and ran it. Unfortunately, my keyboard is a french AZERTY, but the Ubuntu 13.04 inside this little box doesn't seem to realize that. I found ...
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590 views

Problems installing AWUS036H on Ubuntu 12.04 in VirtualBox

I'm trying to get my Alfa AWUS036H wireless card to work inside my VirtualBox, the drivers installed fine, and Ubuntu sees the USB wireless card but I can't get it to connect: Here's my kernel ...
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925 views

Auto-configure network in UBuntu

While trying to set up NAT to work with Host-only adapter, I've messed up the network config in Ubuntu Mini, and now it boots without network :( Do you know can I make Ubuntu auto-configure itself ...
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19 views

Show Applications Problem

After some difficulty I've got Ubuntu-Gnome 13.04 32 bit installed in VirtualBox on Windows7 Professional. When I click on Show Applications all I get is a list of topics on RHS of screen. It did work ...
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344 views

Error while adding iso in VirtualBox on Ubuntu 13.04

While adding an ISO file to a newly created virtual machine in VirtualBox 4.2.10, the program just stops working, but when I open it again and go again to add the ISO, it's adding OK. When I made ...
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2k views

Bridge networking is not working in virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest

Very good article but there is a problem for me. I am using virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest. I am unable to setup bridge networking beetween host and guest. here i am ...
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248 views

exposing touchpad drivers via virtualbox?

My laptop has a multitouch enabled touchpad which works semi-decently when I try an Ubuntu LiveCD on it, but the Windows 7 drivers don't seem to expose such functionality on Windows. I actually tried ...
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235 views

How do I prevent Ubuntu 12.04 from locking, when using Win7 in VirtualBox?

I use Ubuntu 12.04 plus Windows 7 from VirtualBox. The thing is that, when I am in Windows "too long" (longer than the time after which Ubuntu normally locks), Ubuntu locks. It's not expected, because ...
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256 views

Managing windows virtual machines remotely

I have a very abstract and possibly naive question, nevertheless I am putting it up - I want to develop a Ubuntu lab in an institute, using a client server model. I want the individual clients to ...
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2k views

Virtualbox Guest Additions Installation error

I am having a lot of troubles to have my virtualbox guest additions installed, I got this message: Verifying archive integrity... All good. Uncompressing VirtualBox 4.2.10 Guest Additions for ...
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105 views

installing ubuntu 12.10 VM on a win 7 host

I attempted to install Ubuntu 12.10 on Oracle Virtual Box and I had difficulties. I am using a Windows 7 64-bit host machine. I set the VDI disk size to dynamic at 8GB and the Base memory at 644MB. I ...
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40 views

Connection Disconnected Every Now and Then

Using Ubuntu 12.10 32 Bit inside Virtualbox (on Mac OSX 10.7) I am using host only connection between host and guest .. Every now and then I keep seeing popups that connection is disconnection .. ...