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

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Virtual Box doesn't start

So, as already said, my Virtual Box doesn't start and every time I try, I get this message: Could not open the medium '/home/dawn/VirtualBox VMs/Windows ...
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2answers
3k views

Use Virtualbox to Build a Standard Image of Windows 7

SO I'm building a standard image of Windows 7 according to this documentation: http://technet.microsoft.com/en-us/library/ee523217%28v=ws.10%29.aspx However, my reference computer is a install of ...
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1answer
29 views

Can i clone a running vbox machine? [duplicate]

Is it possible to clone a running VBox machine? I need this because I can't turn off the machine during its purpose so I was wondering if something like that is possible? I tried by cloning the ...
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0answers
7 views

Use ADB with Genymotion from concurrent linux VM

I have a linux VM and a genymotion VM on my host. Both have the same network configuration (I set it up myself) which is: Adapter 1: Attached-To: Host-only adapter Name: VirtualBox Host-Only ...
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0answers
12 views

apache php7 is 100 times slower then static content

I am having slow TTFB (200-700ms) on my local web site (Vbox VM, debian8, apache 2.4, php7), so I made some bench marking, and narrowed it down to an Apache configuration. I have made 2 identical ...
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6 views

Virtualbox VM bridged NIC to host Loopback-NIC serve Internet

I have a Virtualbox VM with a NIC in bridge mode to the host machine Loopback Interface... I have in the VM the IP 192.168.0.12/24 I Have in the host machine 192.168.0.11/24 (assigned to Loopback ...
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0answers
8 views

VirtualBox fails to attach driver when starting VM

I have three VirtualBox VMs on my Windows 10 host, one Linux Mint 17.3 and two Ubuntu 14.04.4. Often when I start any of the VMs I get the following error message at launch: Failed to open a ...
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1answer
15 views

Virtual box 'Seamless mode' leads to unresponsive guest OS

Env Ubuntu 16.04(Host) Windows 10(Guest) Virtual box 5.0.20 r106931 Problem Whenever I enter into seamless mode from guest Win 10, the guest OS becomes unresponsive with some black screen. Only ...
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1answer
4k views

How to launch multiple instances of VM image in VirtualBox?

I would like to configure a machine image with all the bells and whistles and then be able to launch multiple instances of it in VirtualBox. However, it allows me to launch only a single instance of ...
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2answers
14 views

Use Ubuntu in Window server 2008 in virtual machine?

Recently our group has purchased Window Server 2008. Though most of us use Windows I require Linux system for my work. I read about virtual machine but I am not sure which one to use to utilize ...
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4 views

How to prevent another vagrant instance overriding /etc/exports file

I have multiple Vagrant for different projects. Whenever I vagrant up either instance causes the /etc/exports file to get overridden. The first vagrant instance synced directories get overridden by ...
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2answers
456 views

Android-x86 6.0 Marshmallow in VirtualBox:installation stuck on GRUB

I'm trying to install android-x86-6.0_20160129.iso in VirtualBox but the installation get stuck at Do you want to install boot loader GRUB Some background: The VM was created from the Ubuntu ...
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2answers
8k views

NAT Port Forwarding in VirtualBox

I have enabled two adapters in my VirtualBox (running Ubuntu 12.10 Server Edition), with types as: Host-only and NAT. My main motive is to be able to connect two VMs running on two different hosts ...
0
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1answer
67 views

Set virtualbox network for Ubuntu 16.04 client

In Virtualbox version 4.3.26 I would like to install Ubuntu 16.04 client. The network configuration is adapter 1 : bridged adapter name : eth0 adapter 2 : NAT With this configuration I do have ...
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3answers
10k views

Virtualbox 4.2.10 Auto resize not working. Will auto-resize down but not up unless in full screen

Using Virtualbox 4.2.10 with Windows 7 as host and guest. If I press Ctrl+F, the OS goes full screen. If I check the resolution, it says 1680×1050 -- same size as my host OS that has many ...
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1answer
21 views

Shared folder of VirtualBox as Apache2 www directory

I using VirtualBox in Windows and I have installed Kali Linux on it. I have configured NAT network so that I can connect to the Apache server in the Linux VM through Windows browser. It works fine and ...
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2answers
3k views

Steps to make native boot vhd boot in virtual box

Apologies in advance if this has been previously discussed, I did my best attempt at searching and could not find what I was looking for. My issue is that I have a windows 8 vhd I want to update to ...
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2answers
30 views

Using OS in virtual-machine increases security? [on hold]

I have question about security. I don't know if it's good place to ask this question here. Let's say I want work with money, trade it and so on.. And I have ubuntu on iron on my laptop, but I have ...
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0answers
72 views

Multicast Entries in Arp Table

So, I recently ran the arp -a command on my primary windows machine and noticed that there were a ton of multicast class-d addresses listed in my arp table. I do not remember seeing so many ...
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4answers
5k 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 ...
3
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3answers
9k views

Virtual Box storage format error while installing Windows 10 tech. preview

I'm trying to install the Windows 10 technical preview via Virtual Box on my Windows 8.1 32 bit laptop. After following the normal process of creating a new virtual machine by "New", when I go to ...
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1answer
5k 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 ...
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5answers
29k views

How to get Alfa awus036nha to work with Kali Linux?

Im running Kali linux 64bit 1.07 as a guest os through virtualbox 4.3.12 r93733. Ive also installed the VirtualBox 4.3.12 Oracle VM VirtualBox Extension Pack. I have bridged my hosts network ...
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1answer
50 views

Virtualbox: Windows 7 Host, Linux Mint Guest - Shared Folder Mounting Woes

For the love of me, I can't seem to manually mount my raid array as a shared folder into a Linux Mint guest. Another internal hard drive mounts just fine, but this particular item has been damned ...
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5 views

Sharing and sync multiple VMs with one image on server

I'm building a complex system for my research team. I thought it through a dozen of times an I'm still not sure how to execute it. I'll present my idea and I'd like to hear your suggestions for a ...
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1answer
13 views

Connect android-x86 run on VirtualBox as USB device for debug

I have: Debian GNU/Linux 8.4 (jessie) installed on old Gygabyte laptop. Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): ...
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4answers
640 views

installing MS-DOS on new computer

I am going to install MS DOS 6.22 and Windows 3.11 on my new Lenovo IdeaPad U410 laptop just for fun and just to prove myself I can do it. I want to ask if I can expect some problems? And if so then ...
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1answer
3k views

Ubuntu server virtual machine on a Mac Mini can’t ping servers on the Internet

I’m attemtping to host my own development web server in a VirtualBox guest virtual machine running Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but ...
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3answers
3k views

How to install MSDOS from floppy to harddrive?

I have a bootable MSDos system. I would like to install it on the current PC so that I can boot from HDD instead of Floppy. How can I do that? I am doing this in virtualbox, but a general solution ...
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0answers
7 views

SSH operation time out // virtualbox // ubuntu 14.04

I can't get my SSH to work. In verbose mode i get this(look down). The server is ubuntu 14.04. The laptop that i use to connect to the ubuntu server ssh is a osx macbook air. Evan:~ gebruiker$ ssh ...
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0answers
12 views

MySQL doesn't shutdown cleanly sometimes

I have a fresh install of Ubuntu 16.04 LTS Server x64 in a VirtualBox VM with its provided MySQL, without any additional databases currently. Sometimes the shutdown of MySQL itself fails with the logs ...
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0answers
5 views

VirtualBox cloned vdi starts but no display

I have virtualbox, host win7 and guest ubuntu 14.0.4 I created a fixed sized vm. I cloned the fixed sized vm to a standard sized vm(dynamic). It worked perfect, just a message referring to low disk ...
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1answer
3k views

How can I troubleshoot VirtualBox port forwarding from Windows guest to Mac OS X host not working?

There is a plethora of questions about VirtualBox port forwarding problems but none with my specific details. Details of setup: I have a Windows 7 Professional 64bit install living in VirtualBox ...
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2answers
53 views

openSUSE hanging on boot

I just installed openSUSE Tumbleweed with a clean install in VirtualBox. On boot it hangs after the line [ OK ] Started Accounts Service....2.ons service....ns kernel modules.f8fe71. (Actually I ...
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1answer
31 views

Deliberately slow down file access speed

I am trying to deliberately slow down access to files on my Windows machine to test load times on an application I am making. I've tried virtual machines and giving it limited CPU/RAM resources, but ...
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2answers
31 views

No internet connection in Guest Machine

I'm using Windows 7 as a host and as a guest, and I can't get the guest to have internet access. At home when I'm connected to my wi-fi network the internet access in the guest works just fine (using ...
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2answers
18 views

Connecting to Ubuntu VM on virtualbox through putty and accessing Internet

I want to run Ubuntu on VirtualBox. I have downloaded ready VM online. Also tried running the VM. Now I want Internet connection on this machine, and also want to connect to Ubuntu 32 bit Guest OS ...
0
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1answer
42 views

Convert .vhd to .img on windows?

I have a .vhd virtual hard disk. I need to convert it to .img disk image. How can I do it? I have Windows 7 and VirtualBox at my disposal, can those tools help?
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1answer
3k views

Problems using .cab with every installer

Using several installers, I get errors related to missing .cab files: The cabinet file 'product.cab' required for this installation is corrupt and cannot be used and The cabinet file ...
22
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3answers
62k views

VT-x/AMD-V hardware acceleration is not available on your system

While installing an OS, I am getting an error similar to: VT-x/AMD-V hardware acceleration is not available on your system. Certain guests (e.g. OS/2 and QNX) require this feature and will fail to ...
1
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1answer
30 views

Corrupt VirtualBox VDI

I've got a Ubuntu 15.10 64bit Guest on a Windows Host. Today when I wanted to start the VM I got the message "FATAL: no bootable medium found! System halted." I checked, that the VDI is correctly ...
2
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0answers
19 views

Can I pass non-graphics PCI-E without host drivers to virtualbox vm on FreeBSD

Like the question says, I have a pci-e card with windows (but not freeBSD) drivers. Can it be passed through from a host running FreeBSD 10.3 or higher to a VirtualBox VM running Windows 8.1/10? The ...
3
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1answer
3k views

Configuring Virtualbox to use an authenticating proxy

I have a couple of Virtualbox VMs (ubuntu guest) running on a windows 7 host, but internet access is through an authenticating proxy with a self signed certificate. Configuring this for just one of ...
2
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1answer
294 views

VirtualBox crashes Ubuntu 16.04 vm's

Host: xubuntu 16.04 amd64 Guests: xubuntu 16.04 and lubuntu 16.04 The vm crash right away when booting for the very first time from the desktop iso's. The screen gets garbled. And that's it. The ...
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0answers
17 views

How to connect a vm to pc wth nc

I'm using a PC with Ubuntu Desktop and a VM (Virtual Box) with Ubuntu Server. I would connect my ubuntu desktop to VM with NC. How to I've setup my VM? My setting network of VM has bridge and with ...
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0answers
10 views

ap-linux in a vm, does this make sense?

AudioPhile Linux, a distro tailor made to play audio has interested me. However I don't consider it desktop-grade and I don't have a spare machine to use it with. Does it make sense to run ...
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2answers
2k views

How do you configure Virtualbox VM to autostart after Windows-10 reboot?

In 2013 I tracked down how to autostart/shutdown a Virtualbox VM when the host is Linux. The process was officially documented and required a few steps. Right now I am interested in, how do you ...
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1answer
6k 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 ...
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0answers
10 views

Access files from a backup vbox file

Using Windows 10, I attempted to update my Ubuntu 14.04 virtual machine over ssh (using Vagrant) and the update failed. After that, I could not log back into the virtual machine, so I pulled from a ...
26
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3answers
12k views

Virtualbox: getting host to capture certain key presses

I'm using VirtualBox on Ubuntu 9.10 with Windows XP as the guest OS. It's pretty annoying that when I in guest OS - I can't switch virtual desktops(workspaces) on the host(Ubuntu) by pressing ...