VirtualBox is a free, open source virtualization program from Oracle for the x86/x86_64 architectures.

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2
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1answer
3k views

Failed to open a session for the virtual machine (VirtualBox)

Was not using VirtualBox for some time and now found that it stopped working (as usual). When running, the following error appears Some details VT-d is enabled in BIOS Host system is Windows 8 ...
0
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0answers
7 views

How to connect psql to the forumdb.py(a python file) in ubuntu?

I have my system with UbuntuOS installed. I am following an online course where it indicates the use of Vagrant and connects your Windows/Mac system using the Virtual Box having Linux installed in it. ...
3
votes
3answers
2k views

VirtualBox OSE: Install Guest OS On Headless Host Via VNC?

I've remotely installed VirtualBox OSE on my Gentoo box at home. I have everything set up and ready for the OS. However all the documentation I've read seems to say that you can only use the PUEL ...
0
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0answers
37 views

Do virtual machines not allow all host CPU extensions?

For convenience's sake I'm trying to run an otherwise "regular" installation of Gentoo Linux as a guest inside VirtualBox on a Windows 7 host. I bootstrapped the installation by using VirtualBox, ...
0
votes
1answer
2k views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
2
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3answers
184 views

A guest Linux system sees a text file as binary with ls

I am copying a simple text file to a guest Linux system on VirtualBox through shared folders, but after the copy, the VM seems to think that the file is a binary (it shows up green in ls): Is there a ...
0
votes
1answer
2k views

Virtualbox + RHEL 5.5 = Your CPU doesn't support long mode

I have a desktop computer running the latest Ubuntu 12.10 32-bit. I'd like to run RHEL 5.5 64 bit in Virtualbox (4.1.8). However, when I bootup the VM with the CD, I got "You CPU doesn't support long ...
12
votes
1answer
10k views

Using virtual box is it possible to set your virtual machine time to be different from host time

Using virtual box is it possible to set your virtual machine time to be different from host time. Say 1 year into the past. If I wanted to run the windows XP images provided by Microsoft from here. ...
0
votes
1answer
61 views

Add disk to (and increase size of) bitnami owncloud storage

I am using bitnami owncloud in a virtualbox environment and the installation is on a 2 TB disk. I would like to add another disk (1 TB) and have the actual storage of owncloud files on the secondary ...
0
votes
1answer
68 views

How to access Kitematic host computer's command line

I installed Kitematic to my Mac. Kitematic installs a Linux server to VirtualBox to work as a Docker host and has a simple GUI for the basic Docker tasks etc. Now I'm wondering, how to have command ...
1
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0answers
22 views

File Allocation for VM

I'm running Kali Linux as a virtual machine inside Oracle's Virtualbox. I've allocated 40GB of hard drive space, file type: VirtualBox Disk Image; Dynamicallly Allocated. On the VM it is showing the ...
1
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1answer
83 views

Is it possible to convert .vdi or .vhd into OS cloning images?

I think the question isn't so clear. I'm asking if it's possible to convert Virtual Hard Disk files (.vdi, .vhd, etc., including snapshots) into Acronis Images, so I could emulate the system, set the ...
-1
votes
1answer
37 views

virtualbox - access host (linux) filesystem from guest (linux)

I need to access files on a linux host from a (linux based) live-cd virus scanner running on virtualbox. The virus scanner only allows me to configure the network's IP address etc. Any chance to do ...
0
votes
1answer
24 views

virtualbox: How is the Gateway IP of a guest OS determined when configured as NAT

In a host system, a gateway generally refers to the IP address of either a router or a network segment. Generally, the output of route PRINT or route -n corroborates to the actual IP of my gateway. ...
0
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0answers
20 views

VirtualBox “sharing” entire host partition (non-OS) with VM

I've created a VM (Windows 10 CTP) and a new virtual disc for the OS/etc. installation. I've then created a raw VMDK which points to a partition on one of my host machine's data drives, call it Data0, ...
38
votes
8answers
156k views

How do you automatically detect a new network card in CentOS 6 / RedHat?

I'm using CentOS 6 in a virtual environment. When cloning a virtual version of CentOS, the old eth adapters are "removed" and replaced with new ones and net MAC addresses. However, the ifcfg-ethn ...
1
vote
1answer
25 views

converting .VDI to .VHD CentOS will not boot

I have a CentOS vm created in VirtualBox. I need to convert it to VHD to use on my hyper-V server. I used the vbox manage tool and the conversion went fine. When i try to boot it up with Hyper-V it ...
0
votes
1answer
21 views

sending images from 1 vm to another vm

I want to send images(jpg, jpeg) from my master node to n child nodes. I made 2 vms(both ubuntu 14.04) on my virtualbox and connected them to the same internal network using the network adapter. After ...
0
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0answers
5 views

Is there some app to move to tray any program on Windows 8 (8.1)?

I have RBTray program which helps to move to tray any program. It worked fine on Windows 7. On Windows 8 (8.1) it doesn't move to tray my VirtualBox VM application. Is there any another similar ...
2
votes
1answer
8k views

Can't get Gopro studio to work in a windows 7 guest on a Ubuntu 14.04 host

I am running windows 7 guest on a ubuntu 14.04 host and am having problems trying to get the latest version of gopro studio to run. It seems to install fine, but everytime I try execute it, it ...
2
votes
1answer
424 views

Cannot change resolution / Cannot use Seamless Windows feature on Lubuntu 14.10 running on VirtualBox 4.3.14

My two issues are not being able to change video resolutions. I am stuck at 640x480. Also I cannot use the Seamless Windows feature in virtual box as it's greyed out. I am stumped, I can use some of ...
1
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0answers
38 views

OSX: Locking in vagrant with Ubuntu guest using NFS doesn't work

On OSX 10.10.3 using VirtualBox 4.3.26 and vagrant 1.7.2 when using NFS for the shared folder in a Ubuntu 14.04 LTS guest, PHP application ins the guest trying to use LOCK_EX on the shared folder ...
1
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0answers
25 views

How can I work out why my headless VirtualBox VM is not booting?

I have an Ubuntu Server, upon which I am trying to run a headless VM (Ubuntu Server as the guest OS) with Virtualbox. The machine apparently starts up but I cannot ssh into it (though it should be ...
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votes
1answer
18 views

Unable to find package virtual box for archlinux

I was unable to run pacman -S virtualbox, all mirrors would return 404 so I upgraded my mirror list from this page https://www.archlinux.org/mirrorlist/ and I'm still unable to find the package. Am I ...
2
votes
1answer
54 views

Will zero filling increase the size of virtualbox dynamic disk image

I have been mostly using fixed-sized disk images for Oracle virtualbox, but I am considering switching to dynamic disk images as I heard that dynamic images are similar in performance to fixed-size ...
15
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5answers
21k views

SSH Basics on Vagrant VMs

I'm building a vagrant machine (Ubuntu 12.04) with the following requirements: SSH access via Vagrant to a user with sudo-privileges. I've generated public/private keys (via ssh-keygen) on the ...
19
votes
2answers
8k views

How to easily port VirtualBox machines?

I have used VMware for a long time. VMware saves all the information for one machine in one directory. This means it is easy to zip and copy. Now I switched to VirtualBox. VirtualBox seems to save ...
0
votes
2answers
41 views

No Bootable Medium For Ubuntu VirtualBox

Im trying to install the latest version of Ubuntu on my VirtualBox. Here is what I've done. Downloaded and converted the .7z file for Ubuntu and converted it to and ISO file Created the new virtual ...
2
votes
3answers
9k views

modprobe vboxguest failed

I am running an Ubuntu Server (12.0.4-beta2; kernel 3.2.0) in VirtualBox (host is Win7) and I want to use shared folders. I've followed the manual to set up vbox guest additions ...
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2answers
2k views

VirtualBox Scoll Up/Down Guest Terminal

I have a FreeBSD guest on an XP host. BSD has no GUI, so it just boots up to the terminal. The output of most commands is more than is visible on the screen, but I can't scroll up/down in the ...
0
votes
1answer
143 views

Clicking on “install CentOS” on VirtualBox causes black screen to appear?

I have Lubuntu running on VirtualBox properly. I followed the same procedure for installing CentOS 7 on VirtualBox. However, once I see the CentOS installation menu, I click on "Install CentOS", and ...
-1
votes
3answers
6k views

Shared Folder in VirtualBox with Android not working

According to this I am supposed to see a "Shared Folder". Using android-x86-4.3-20130725.iso (original picture: http://img855.imageshack.us/img855/231/uewc.png)
1
vote
4answers
6k views

How to fix virtualbox startup error: “vboxadd-service … failed!”

I'm using VirtualBox 4.0.8 with Windows 7 Enterprise 64 bit host and debian 6.0.1a amd64 guest (in CLI mode). I installed Guest Additions and it seems to work, at least partially, as I have ...
0
votes
1answer
63 views

Connect to Vagrant (VirtualBox VM) over local network

Hi I'm running a local webserver using vagrant virtual machine. I Normally set the following config line to private network which lets me connect from my host pc using the ip specified ...
3
votes
1answer
178 views

Can't install Windows Updates - Error Code 800706F7 (No KB3004394 update installed)

Since the turn of the year, my PC hasn't been able to install any Windows Updates. It comes up with the following error 800706F7. Searching around suggests it's to do with the Windows Update KB3004394 ...
1
vote
4answers
4k views

Which keys to use to copy and paste inside CentOS guest on MAC

Which keys to use to copy and paste inside CentOS guest on MAC. I am using VirtualBox on my MacBook Pro running CentOS 6.5 as a guest... I am trying to copy and paste some text in centOS (the guest) ...
0
votes
0answers
7 views

How do I create a program shortcut that will start a specified virtual machine in VirtualBox? [duplicate]

I'd like to create a shortcut that will, if clicked, start a virtual machine, namely sage-6.6.ova (in my C:\Users\Brenton\Downloads directory), in VirtualBox. Is this possible and if so how do I ...
3
votes
3answers
1k views

How do I isolate a Windows Virtual Machine in Virtualbox running in Ubuntu

I have searched and searched but not found a way to do this. The answers I found said to get a second nic and dedicate that to the windows guest. My host is linux mint 16. I see how to specify a ...
2
votes
0answers
64 views

VirtualBox is unable to allocate cached memory on windows (not considering it as available)

Host: Windows 7 64x bit, 6 GB of RAM Guest: Red Hat 64x bit Host machine resources without running any VMs: Windows Resources [Case I] Guest machine with 2 GB memory When I run a memory ...
0
votes
1answer
36 views

Increase size of a vdi fixed disk, used for a virtualized ubuntu server

I have a fixed vdi disk in an ubuntu server (it's a virtual machine, i'm using virtualbox for handle this from my ubuntu desktop so). I installed a lot of things, and the disk is full (i wasn't pretty ...
0
votes
0answers
17 views

How to capture VirtualBox VM packets

I am currently running a series of three Ubuntu 14.04 VMs on my Windows 7 x64 host. The guests are all configured thusly: Host-Only Adapter Intel Pro/1000 MT Desktop Promiscuous Mode: Allow VMs Cable ...
1
vote
1answer
52 views

Why can't the VMs in my pen-testing lab ping each other?

I have setup Kali Linux and Windows XP in Virtual Box. My first problem is, these two systems are not being able to ping each other. Second is, they are not being able to connect to the Internet ...
0
votes
0answers
37 views

Linux Ubuntu 14.04 virtual box full screen

I'm using Ubuntu 14.04 in VirtualBox, and my machine is installed Ubuntu 14.04. I'm having problems with the resolution Fullscreen. I have already installed the Guest Additional, but still can not get ...
0
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1answer
31 views

Go to Ubuntu localhost from Windows XP in VirtualBox

I using Ubuntu 14.04, but I want to test my website in Internet Explorer, I install VirtualBox, create image for Windows XP. I have a connection to Internet, but I cant go to http://localhost/. I try ...
5
votes
7answers
7k views

VirtualBox bidirectional clipboard sharing stops working after some time

Clipboard sharing starts working fine, but it stops working after some time (until I reboot the machine). From what I understand sometimes the guest additions stop working. I read that I should see ...
2
votes
0answers
48 views

How to recover from bad VBox Guest Additions build?

I'm using Ubuntu 14.04 (fully patched). Last week, the kernel took an update. So I [virtually] inserted the VBox Guest Additions CD and then proceeded to build it. I don't recall having any problems. ...
0
votes
0answers
7 views

Cannot restore Snapshot

Everytime I try to restore my VM from a snapshot I got My VM Freezing and I must shut it Down. When is shut down and I try to start the VM I got error: Code 'Exit: E_FAIL (0x80004005) Componente: ...
3
votes
2answers
1k views

What are the differences between OVF-Version 0.9, 1.0 and 2.0?

I have Virtualbox 4.3 and want to export different VMs because I'm recover my computer. When I want to export a VM I can choose between OVF-Format-Version 0.9; 1.0; 2.0 But what are the differences ...
2
votes
0answers
27 views

Allow device usage only in VirtualBox

I have an USB device, and I want to connect it to VirtualBox, but I don't want to allow any usage of this device on the host machine - it should only forward the device to the guest. How to do this?
0
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0answers
16 views

Files attributes in Vagrant (VirtualBox) Linux guest, with Windows as a host

By default Vagrant (via VirtualBox) has a share /vagrant, which is a perfect place for project source code, as this is a root directory where Vagrantfile is located on host. The problem is my host OS ...