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

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39 views

Mount and boot using Virtualbox an OS that is installed on a dedicated physical disk

Background - I am dualbooting Win10 and Kubuntu 14.04. Windows 10 has it's own 240 GB SSD (C:) and a 1 TB drive (D:). Under Disk Management C: shows as Disk 2 D: shows as Disk 1. Disk 0 is a ...
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32 views

Telnet to smtp.gmail.com 25 timing out inside vagrant box

Vagrant 1.8.1, Virtualbox 5.0.16, Windows 7. Vagrant using hashicorp/precise64 image. No modifications done to Vagrantfile. Using the default NAT networking. vagrant@precise64:~$ telnet ...
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1answer
387 views

iwconfig no wireless extentions

I'm trying to learn about security and me and my father in law wanted to try our wifi's. I'm running kali linux on VM Virtualbox based on windows 10. I have a Lenovo laptop with built in wifi (I am ...
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0answers
18 views

How can I recover my Mac when I leave the focus within a VM?

I have had this happen a few times. I am using a Windows VM on my Mac, I am working within my Windows Vm (via VirtualBox, fullscreen), leave it for a few hours, come back, and then my Mac is ...
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11 views

Eclipse Luna is crash in CentOS, whenever I tried to edit any Java file or any other file

Eclipse Luna is crash everytime in CentOS whenever I tried to edit any Java file or any other file. Eclipse is closed always. Plz suggest me something. I am running centOS in VirtualBox VM and Host is ...
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1answer
16 views

VirtualBox state can not be saved

I can not save the state of my VM, but get the below error. What can I do? Host: Linux Kubuntu 14.4 Guest: Windows 7 Error Message: The state of the virtual Machine MyWindows7 can not be saved. ...
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1answer
59 views

Virtualbox: can't ssh from host to guest

When I try to ssh from the host to the guest, the connection is refused. How do I set this up? I have a Win7 host and an Ubuntu server 14.04 guest. I have 2 interfaces set up, eth0 in NAT and eth1 ...
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0answers
19 views

How to create a serial pipe between a windows host and virtual machine in VirtualBox?

I am trying to debug the kernel of a windows 7 virtual machine and am following the steps here, here and here. I ran: bcdedit /debug on bcdedit /dbgsettings serial debugport:n baudrate:115200 on ...
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0answers
218 views

No kernel sources available for 4.4.4-301.fc23.x86_64

I am trying to use vagrant on Fedora 23, but it isn't working at all. It isn't working because virtualbox's kernel modules will not install and compile with 4.4.4-301.fc23.x86_64. I installed ...
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0answers
21 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 ...
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1answer
86 views

I can't start virtual machines on my VirtualBox in Windows 7 Starter

This was a fresh installation of the software and VirtualBox gives me this error message after starting a virtual machine I created: Failed to open a session for the virtual machine PinkiePie. ...
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32 views

Relative cursor (infinite mouse movement) for VirtualBox

I'm trying to play Fallout 2 in VirtualBox with Windows XP. The problem is that with low mouse sensitivity in game my mouse cursor is limited to a small box because it stops at the host system screen ...
1
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1answer
99 views

Tiny font and elements in a Linux guest in VirtualBox

I'm running a Linux guest (Xubuntu 15.10 64bit) in VirtualBox 5.0.16 on a Windows 10 host. For unknown reasons, when I now boot into Xubuntu the resolution is extremely high making everything very ...
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3answers
2k views

Creating an Ubuntu VM to distribute

I'm a TA for a programming course and tasked with creating a virtual machine image based off Ubuntu 14.04 LTS with all necessary software (for C++ and Python development) preinstalled such that the ...
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2answers
123 views

My virtual machine (or host system) cannot use RAM correctly

I have virtual machine windows server 2008 which stands on Oracle VM VirtualBox. I declare 8GB of RAM for this machine. On my host machine (windows 7) I have 16GB of RAM. When I start virtual ...
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0answers
15 views

Reaver time out

Whenever I have tried to crack a WPA2 network, Kali freezes after 2 to 3 hours. This happened once to me before when I was trying to crack WEP networks after typing airodump-ng mon0 --write ...
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54 views

Create a bridged network in OSX between Wireless and Thunderbold ethernet

At work we get Macintosh computers which are running the newest version of OSX. We have thunderbolt displays which give Ethernet and when we are on the go we connect to wireless. I, not being a fan ...
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1answer
22 views

Virtual box shared folder is not mounted in guest

I'm tryting to mount windows host folder "D:\Code" to linux guest. So I added it in shared folders (two variants - both don't work anyway): And there is list of folders on guest linux system in ...
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0answers
14 views

Reaver makes Kali freeze

I'm running Kali 2 and whenever I run the reaver command Reaver -I wlan0mon -b xx:xx:xx:xx:xx:xx -vv I come back in an a few hours to see that all net activities have frozen. The terminal doesn't ...
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0answers
7 views

Limit Windows router advertisement/forwarding to VirtualBox

I enabled IPv6-networking via IPv6-tunnel from Hurricane Electric. The tunnel endpoint is a Windows 10 machine with a public static IPv4 (no NAT! public routable IPv4! No DHCPv4!). I am running a ...
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0answers
43 views

VirtualBox abort guest VM intentionally

I am wondering if someone knows how to abort a VM (linux box) in VirtualBox 5.0 intentionally? I've googled this to no avail as everyone complains why their VM's get aborted in state. I am recreating ...
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0answers
37 views

Configuring network in Windows Server 2012 for connecting to other machines

I installed Windows Server 2012 on VirtualBox using two networks: NAT and Host-Only, and gave it a static IP address of 192.168.1.3. I would like to be able to access Apache web server from browser on ...
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0answers
34 views

Kali Linux login screen stuck in Virtual Machine

I have installed 32 bit Kali linux on a virtual machine and I keep getting stuck on the login screen, it asks for my login information. I type "root, enter, then the password I set during the ...
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1answer
394 views

Shell provision script not creating .bash_aliases

I'm using Vagrant with VirtualBox to create an Ubuntu guest VM, on a Windows 10 host. Here's my Vagrantfile: # vi: set ft=ruby : Vagrant.configure(2) do |config| config.vm.box = "ubuntu/trusty64" ...
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1answer
82 views

VirtualBox Windows host, Ubuntu guest installed on RAW partition

I'm a bit confused here. I just installed a new 128GB SSD on a Windows PC and then created a 50GB partition on that drive. I did not format it, so that it is labeled "50,00GB RAW" in the "Disk ...
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2answers
116 views

VirtualBox won't open. Error code 0x80040154

VirtualBox won't open. Here's what the error says: Failed to create the VirtualBoxClient COM object. The application will now terminate. Callee RC: REGDB_E_CLASSNOTREG (0x80040154) ...
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0answers
20 views

connect two consecutive proxy servers

According to this question: How to use two consecutive proxies? I can configure a proxy server(A) to route the requests into a second proxy server(B) only if proxy server(A) lets me to do this. I ...
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0answers
35 views

VirtualBox VMs on internal network intnet can not communicate

I'm using two hosts, one under Ubuntu 14.04 x64, the other under Ubuntu 15.10 x64. Both are up to date. I'm running on each machine the same VirtualBox version : 5.0.16 r105871, installed from the ...
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0answers
20 views

VirtualBox - Can I use a non supported HW which is not supported by my host OS in my guest OS?

I am trying to use an external wireless antenna (Alfa Network AWUS036H) with a Linux VirtualBox virtual machine but it doesn't work. I can see the antenna by clicking on Devices > USB but when I try ...
1
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1answer
23 views

Export XP from a physical pc to virtual box

I have an old pc with Windows Xp on it and I can't throw it away because I have programs on it that cannot be found anymore. Since now I'm using a Mac I was wandering if it was possible to export the ...
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0answers
40 views

VirtualBox pci passthrough freezes host

I used the following command to add a PCI wi-fi card to a virtualbox guest OS: VBoxManage modifyvm "16.04" --pciattach 0d:00.0@01:05.0 Thw guest OS (Ubuntu 16.04) recognizes the card (I can see it ...
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0answers
402 views

Android-x86 6.0 Marshmallow in VirtualBox doesn't start

I succesfully installed android-x86-6.0_20160129.iso in VirtualBox but the VM doesn't start. This is my GRUB: If I start the VM with the first option I get error Failed to find cpu0 device node. I ...
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30 views

Is it possible to emulate old non-atx power supply in VirtualBox

I want to emulate old non-atx power supply in VirtualBox or other similar virtual PC emulators. Is it possible?
1
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1answer
238 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
118 views

Physical console (screen+keyboard) dedicated to VM

I have a relatively powerful computer used for playing games in Windows, not too demanding games but with definite need of the GPU card (NVIDIA GeForce GTX 760). I would like Windows to run in a VM, ...
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0answers
39 views

VirtualBox Fedora hard disk installation suddenly not booting

For the past two months I have had a working 64-bit Fedora Installation through VirtualBox on my Windows 10 machine. All of a sudden today my system refuses to boot, when I try to start it I just end ...
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2answers
27 views

why are my network settings inside of my VM different than my host pc? How is it still establishing a connection?

My default gateway is 10.12.1.1, but on my VM its showing my gateway as 10.0.2.2. I tried setting my gateway to 10.12.1.1 and I lost internet. And then I tried to open a browser and visit 10.0.2.2 ...
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0answers
28 views

DigitalOcean droplet to ovf file

I wanted to download the snapshot of the digitalocean droplet VM so that i can run on the virtualbox, since there is no option available to download the snapshot, i wanted to convert the centos ...
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2answers
41 views

“machine” and “view” menu disappeared from guest window of virtualbox

I was fooling around with the diefferent display options and at some point, the machine and view menus disappeared from my guest window. I think it was after I switched from scale mode. I used host+C ...
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1answer
66 views

Imported VMs don't start but load in infinite loop

I have imported an ova file into VirtualBox via File -> Import Appliance, but I only get the screen and then the screen The bar in the second screen runs twice till the end, then the frist ...
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0answers
48 views

Virtualbox's guest OS unexpectedly loses network connection

Network connection become lost after 3-4 minutes of work without changing any network settings of guest/host machine. Only one way to get it working again is to check/uncheck "connect the cable" ...
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1answer
31 views

VirtualBox Port Forwarding Issue

I face an issue with port-forwarding and VirtualBox. I launch a linux vm using vagrant. SSH was already working with the port-forwading. The vm network is NAT. Then I launch my flask application ...
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0answers
27 views

NoMachine connection to Virtual disables copy pasting

I am running a Redhat instance in VirtualBox. The computer itself is running Ubuntu. Whenever I use NoMachine client to connect to my Redhat VM through another computer it disables copy and pasting ...
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0answers
17 views

Using windows-only hardware in a windows virtual machine with a linux host

I have a printer that will not work properly with CUPS on my Linux host, so I need to use windows to print things. I want to do this using a windows virtual machine, as opposed to having to dual boot ...
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1answer
90 views

How to get VirtualBox VMs to my new host?

On my old computer I just copied the folder VirtualBox VMs to my external harddrive. Now I would like to restore those VMs. How am I able to do this using the folder "VirtualBox VMs" that I copied? It ...
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0answers
31 views

Mounting Windows host folder in Virtualbox without vboxfs or Shared folders

While trying to use Docker on Windows, I hit a Virtualbox vboxfs bug that mmap see old versions of files that are mounted using shared folders. In whatever way I change the file on Windows host, ...
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1answer
23 views

Linux host slows to crawl when ram 20% and 8 core cpu at 99% using virtual machine

I built a new Linux machine to be able to handle multitasking and running multiple virtual machines. It's an AMD 8 core 3.5GHz processor with 16MB Total Cache, 16GB 1866 DDR3 RAM, 1TB HD and a GForce ...
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0answers
25 views

VPN disables network after about 20 minutes

I've running a Windows 7 guest under VirtualBox. If (and only if) I run a VPN client such as Viscosity or the OpenVPN client, after about 20 minutes, they both stop working and it turns out that my ...
0
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1answer
141 views

What are the limitations of Vmware Player for Personal Use vs. Pro?

I'm trying to decide between using VirtualBox or Vmware's free (for non commercial user) Workstation Player I can't find out what a "restricted virtual machine" is anywhere. I currently have Vmware ...
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0answers
26 views

USB Failure on Yosemite VM

I am completely new to running Mac OS as a virtual machine. Please bear with my ignorance. I am desperately in need of help. I am running Yosemite within Virtual Box. I have two external USB ...