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

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1answer
32 views

Mouse Cursor Dissapears in VirtualBox (windows 7)

I am currently trying to install os x mountain lion as a guest os on my windows 7 pc so that i can use Xcode. I am using this guide: ...
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0answers
15 views

VirtualBox on QEMU host?

I have remote access to a QEMU Windows Server 2012 (64 bit) VM with 12 cores @ 2.8 GHz ("QEMU Virtual CPU version 2.0.0") and 48 GB RAM. For a project I wanted to set up a Linux VM on VirtualBox on ...
0
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0answers
102 views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
2
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4answers
3k views

Sharing internet connection from host to virtualized Ubuntu with Virtual Box

I have Ubuntu 11.10 in Virtual Box installed on Windows Vista. I am having a Broadband(PPPoE) internet connection. I would like to use my internet connection inside Virtual Box in Ubuntu. I tried with ...
0
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1answer
64 views

Virtualbox - Windows 7 x64 slow loading

after moving *.vdi files to my new notebook I noticed that it takes long time to boot WIndows 7 x64(on 2 different VM's) on Windows 8.1 x64. That VM's worked perfectly on my home PC on Windows 7 X64 ...
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1answer
81 views

I can't access my server on VM (VirtualBox) in centOS 7

I do install VirtualBox on Windows 7, and create a virtual machine, which install centOS 7. Then in centOS7 perform the installation of CollabNet Subversion Edge, following this information as a guide ...
1
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1answer
39 views

How to install wireless card on Kali Linux

I setup Kali Linux on VirtualBox. In terminal, airmon-ng command not showing up any wireless card. I've search for solving problem and here is the video that i follow: ...
1
vote
1answer
118 views

Can't set manual IP to Virtualbox Host Only adapter in CentOS 6.5

When I configure the IP address of VirtualBox 4.3.2 (running on Windows 8.1) host only adapter, it changes it back to some other IP. Guest OS is CentOS 6.5. I tried to set the IP in network ...
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0answers
286 views

MacOS host microphone not working on WindowsXP guest VirtualBox

I need my guest Windows XP to work with the host MacOS's microphone. It all seems to be configured properly, but no audio is captured by XP. Why is that? System Configuration: Host: MacOS 10.7.4 ...
0
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1answer
25 views

Oracle Virtual Box current version no option for Win8.1

I'm trying to install the Win10 64Bit technical preview in VirtualBox VM, but I keep getting errors. While digging into this I found online many suggestions to set the Windows version of the VM to ...
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2answers
2k views

Oracle VM VirtualBox “instruction at 0x806d58e2 referenced memory at 0x00000000” error

When I start Oracle VM VirtualBox 4.2.18 on Windows 8.1 64bit, the below message shows. What is the meaning of this message and how to solve it? VBoxTestOGL.exe The instruction at 0x806d58e2 ...
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0answers
20 views

Will a VM in VirtualBox crash, if I spend too much ram on other app in host OS?

guest OS won't boot if the freed memory is too low, but what if it boots, and then I accidentally use too much memory on host OS on other app, will the guest OS crash?
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0answers
22 views

Virtualbox Network Adapter Not Found on Import

I am running VirtualBox on Ubuntu 12.04 on an old box. VMs are configured for bridged networking. I have recently setup a new box with Ubuntu 14.04 and imported my VMs from the old box to the new ...
4
votes
1answer
4k views

VirtualBox NAT over proxy

I use VirtualBox 4.1.8 on a Ubuntu 10.04 host system. I have an HTTP proxy server on the host system. How do I configure the VirtualBox to NAT the virtual machine's network and use the HTTP proxy for ...
1
vote
2answers
134 views

Not able to install Windows 10 on oracle virtual box

I have installed ORACLE virtual box in Windows 7 machine and created a VM for windows10 technical preview with the following settings: Guest: iso: Windows10_TechnicalPreview_x64_EN-US_9926 Machine ...
1
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2answers
6k views

Getting “error loading operating system” when I start a VM. Worked fine prior opening with VirtualBox

I'm using VMware Workstation 7.x on Windows and I'm getting this error when I start my VM: error loading operating system That started to happen when I tried to load the VMDK file into the ...
1
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0answers
135 views

Can't install Guest Additions Ubuntu 14 in Vagrant

I am trying to install the Guest Additions in Ubuntu 14, but I always get an error when install Virtual box guest additions. I have installed all the headers. Can anyone point we to what it could be ...
0
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0answers
31 views

Samba, guest account for sharing user home directory

I have a user named vbox, created to manage the Orable VirtualBox on my Ubuntu Server 14.10. I want to share the /home/vbox/VirtualBox\ VMs/ to be able to share this files via samba. I created this ...
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0answers
34 views

CD/DVD drive not found in VirtualBox Windows 7 guest / Ubuntu host

I'm trying to install Windows 7 in VirtualBox to try an Spanish Version for a customer. I'm using an ISO file with the Windows 7 image. After the machine is done loading the installation files, I get ...
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7answers
55k views

How can I get Windows 8 and VirtualBox to use my full screen?

I'm running the enterprise evaluation (Build 9200) of Win8 and VirtualBox 4.2.4 r81684 and my actual display is 1920x1200. When I use the host-F key to enter full screen mode, the best I can configure ...
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0answers
16 views

How to access HDMI out port on Virtual Box Virtual machine?

I have installed Android OS as a virtual Box VM on windows 7. I was wondering if we can access HDMI out on virtual box Virtual machine. Is there any way to achieve that.I have researched a lot on ...
2
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0answers
43 views

VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
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3answers
6k views

Where can I find Amazon Linux AMI Image for VirtualBox?

I'm trying to learn AWS and because I'm some familiar with Linux, I think the best way to learn is to get Amazon Linux AMI right into VirtualBox software and play with it. I see the latest Amazon ...
0
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0answers
41 views

Network issue with CentOS 7?

I have a VirtualBox machine running CentOS 7. The host is my Mac and the I'm using bridge adapter mode for the VM. Looks like I’m unable to install (yum) updates or even (yum) net-tools. I’m getting ...
2
votes
1answer
190 views

Making SSH connection to Centos 6.5 VM takes ages

I installed Centos 6.5 in a Virtual Box VM. Everything works smooth, except for SSH logins. It takes ages for the command prompt to display. With some verbosity added: debug2: kex_derive_keys ...
1
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1answer
76 views

Run commands on an Ubuntu guest in VirtualBox VM from Windows host

I am working on some coding, and I have an idea that should work but I have no clue how to make it work. I am using Wolfram Mathematica on my Windows host machine to run some code, but I have to ...
76
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6answers
90k views

What disk image should I use with VirtualBox, VDI, VMDK, VHD or HDD?

Latest versions of VirtualBox supports several formats for virtual disks, but they forgot to provide a comparison between them. VDI VMDK VHD HDD Now, I am interested about a recommendation or ...
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0answers
17 views

How to share wifi connection between Guest OS(Windows XP) and Host OS(Ubuntu 14.10)

I just installed Windows XP through VirtualBox and installed "Guest Additions too" too. How do I go about sharing my wi-fi connection?
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0answers
26 views

Error in installing Mirantis Openstack on windows 8.1

I am trying to install Mirantis Openstack on my windows machine(8.1). The entire process i have done till now is: Install oracle virtualbox with extension pack Install cygwin Install procps, ...
0
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0answers
31 views

How to make application installations permanent with Linux Mint in a VirtualBox?

I installed Selenium, PyCharm and more software on Linux Mint in VirtualBox. However, once I exit the Mint and VirtualBox and login back later on, I find the installed software to be gone. I get a ...
0
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1answer
20 views

Win Server 2008 DHCP on Virtual Network

I'm new to network stuff. I have 2 virtual computers running in VirtualBox: 1 on Win XP and 1 on Win Server 2008. I'm trying to create a DHCP server and DNS server on my server. I know how to add ...
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0answers
93 views

Oracle VirtualBox Guest additions with Windows 10 technical preview [duplicate]

I've decided to try out the Windows 10 technical preview on a VM. I am using VirtualBox 4.3.20 and my host machine is running Windows 7. I installed Win10 successfully but I am having trouble ...
0
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1answer
11 views

Linux Watch Memory Command

I am using watch -n 5 free -m command via terminal to watch the memory fluctuate as I run virtual box with a guest that is limited to 4GB of RAM(it allocates 4GB on start of virtual guest). Under ...
1
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1answer
291 views

Samba and Groups (Windows Host, VM Linux Guest)

Ok I've been reading about Samba shares etc. for the past few days, I still cannot get it to work. I've gotten a public share and a private user share to work, but not a group share. [global] ...
0
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0answers
31 views

Linux virtualbox machine ssh from host

I've recently created a CentOS 6.5 Virtualbox machine. (Portable-Virtualbox) This is currently a replica of the CentOS 6.5 desktop that I use as a file server. In order to use this Virtualbox CentOS ...
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0answers
18 views

ssh into fedora inside virtual box over internet

I am running fedora server in a virtual box inside a windows 7 host. I can ssh into fedora from this windows 7 host. How ever, I stay out of my place most of the times with a laptop at my disposal, ...
0
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1answer
24 views

Any benefits of VT-x for 32bit guest?

I am going to be deploying a network of 32bit guest systems. I will be running one core per VM (but multiple VMs per host), memory usage is low (<512MB per guest). Is there any benefit (or even ...
0
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1answer
33 views

Guest connected to the internet through the host in Virtualbox host-only network

I have a host-only network in virtualbox. The guest is Windows and the host is ubuntu. Is it possible with this configuration to connect the guest to the internet via the host? So that all the traffic ...
0
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0answers
24 views

Access from Win 7 inside Virtualbox to EXTERNAL Samba Ser

even after reading two days of information I havn't found a solution for my problem. I hope You can help me. I'm running Win 7 inside in a VirtualBox. The Virtualbox itself is running on an openSuSE ...
1
vote
1answer
2k views

VirtualBox webserver not accessbile on host browser

I setup and installed a CentOS6 webserver on a virtualbox. Already setup port-forwarding of port 4444 to 80 so that I can access it and even disabled Win7 firewall. I think that probably the problem ...
1
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2answers
339 views

Virtual machines: QEMU, virtualbox

When I use virtual machine on my i5 laptop, does it emulate every instruction or does it run normally? How much is speed decreased? Especially I am interested in QEMU and virtualbox, how do they work? ...
1
vote
3answers
2k views

Lagging screen with Windows 7 guest machine running Oracle Virtualbox

My guest machine screen is very lagging, open a window then minimize it will remain the unresolved drawing on the guest OS's desktop. I try to increase the display adapter memory size but it doesn't ...
0
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1answer
30 views

Virtualbox: Windows 7 raw disk guest on Linux suddently boots stop 7b

I spend most of my time in Linux, but for as rarely as I use Windows I load my dual-boot partition in Virtualbox 4.3.20 via raw disk access. I've set this up on a few machines and I've been using this ...
0
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0answers
34 views

SSH using Agent Forwarding with Windows Host OS, Vagrant Ubuntu Guest OS, and Keepass/Keeagent

Intent: To be able to deploy to lan-example.com from any dev environment; whether it be directly from the virtual OS, or any single-OS system, or even over the internet using ONE SSH key stored in ...
0
votes
1answer
26 views

Create virtual disk from some of the partitions on physical device

I am in the process of migrating windows installation to a VM. On the physical device with windows, there are two partitions: /dev/sda1 and /dev/sda2. There's also a large amount of free space ...
1
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1answer
28 views

Error code C4 when installing Windows Server 2012 on VirtualBox

I am getting error code C4 when trying to install Windows Server 2012 on VirtualBox. I was able to install this a few weeks ago. However I had to install a fresh copy again. This time however I always ...
17
votes
1answer
11k views

Copy vagrant box locally

I have a vagrant box running on VirtualBox, and I need to make a copy (with all its existing config and data), so that I can make changes on it without affecting the original. The problem is that my ...
2
votes
3answers
3k views

Use 2 Mouse Cursors on the same Computer

I understand that questions like this have being answered before, however mine is slightly different. Basically I run automated tests which mean that the mouse cursor is moving around the screen ...
10
votes
4answers
12k views

My virtualbox fstab will not auto-mount on reboot?

I am able to mount my drive manually like this (ubuntu): sudo mount -t vboxsf C_DRIVE /mnt/saga_c But when I try and add it to my fstab it does not mount when I restart the machine. Is there ...
0
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1answer
21 views

Syncing virtual machines - dynamically allocated or fixed allocation VHD?

When you run a virtual machine that you want to periodically sync, is it generally faster to use a dynamically allocated VHD or a fixed allocation VHD? I'm sure this depends on a lot of factors, ...