An x86 virtualization software package developed by Oracle (which bought Sun, which bought Innotek).

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Booting the already installed Ubuntu 14 from the VirtualBox installed in Windows 7

Like the Titles says, i was wondering if there is any way to start ubuntu System in VirtualBox from Windows 7 which is already installed on harddisk
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10 views

Tiny Login Window for Mint Linux inside virtual box

I am running a virtual box 4.3 under Mac OS on a MacBook Air. I just installed a fresh copy of Mint Linux (Cinnamon 17.2). The installation went without a problem but upon restart the login window was ...
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14 views

How do I allow other physical machines on my LAN to connect to a web server hosted within my local virtual box windows VM?

I am running Windows Server 2008 R2 within Virtual Box v4 with os x 10.6 as my host. Within Windows Server, I am running IIS and I have successfully been able to access my web server with Internet ...
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17 views

How to configure user -> OpenVPN -> Tor -> OpenVPN with Whonix [closed]

My question is as follows: I have host OS windows 7. What i want to configure such a connection: Host (with OpenVPN connected) - > VirtualBox - > Whonix-Gateway with Whonix-Workstation or with any ...
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32 views

ssh publickey authentication to a Ubuntu running inside VirtualBox

I have a Ubuntu running inside a VirtualBox inside my Windows 8 desktop. I am trying to communicate between the Ubuntu and another Debian server in the network. I have enabled Port Forwarding in ...
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1answer
61 views

Cloned server will only boot read-only

I have cloned one of my servers that is about the to be shut down into a virtualbox machine. I used rsync for that, remembering to keep the relevant attributes etc. I also modified fstab. I have ...
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2answers
16 views

Send network traffic via a Windows VM on the same host to use corporate vpn?

At work we have a VPN solution that will only work on windows. I personally do not run Windows at home and run Linux (Ubuntu 14.04). I used Virtual Box to setup a Windows 7 virtual machine to run ...
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25 views

how do I mount an external hard drive connected via SATA Wire to CentOS 7

I have CentOS 7 installed as a guest OS inside VirtualBox running on a Windows 8.1 machine. There is a SATA Wire connecting the machine to an external hard drive that used to contain a dual boot ...
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2answers
84 views

Failed to load module “glx” (module does not exist, 0)

I'm trying out arch for the first time in a virtual box following this guide. All went well and I wanted to install KDE. According to these steps I've picked the nvidia driver suite when running: ...
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1answer
69 views

VirtualBox guest cannot connect to USB drive, why not?

I have VirtualBox installed in Windows 8.1 and I am using it to launch and use CentOS 7 within VirtualBox. When I connect a USB drive to the computer, and right click over the icon circled in the ...
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1answer
52 views

CentOS 7 - Using systemctl to start headless virtual machine hangs

I'm not entirely sure if what I'm trying to do can work. I would like to run a vbox virtual machine as a service and have it enabled on startup. Here is my .service script: [Unit] ...
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1answer
42 views

Setup a classroom Linux system

I need to set up a 30-user Ubuntu classroom. All our PCs are currently Microsoft Windows based and run from Windows servers. In the school I need my students to have full access to Ubuntu OS, so that ...
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49 views

Centos 6.6 not booting on Virtualbox on Windows host

I downloaded the QuickStart VM from Cloudera that has preinstalled Spark/Hadoop etc. I have been working on that for the last 4-5 weeks and it was running absolutely fine, but recently I had to ...
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1answer
35 views

What are the differences between virtualbox-linux and installed-linux? [closed]

Is using virtualbox for running linux any different than installing linux on the machine except for performance ? Are there any drawbacks from using virtual box to run linux than trying the real thing ...
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100 views

“xrandr: Failed to get size of gamma for output default” for Guest CENTOS 6.6, HOST OS Windows 7 enterprise

I am getting the following errors: xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 1024 x 768, maximum 1024 x 768 default connected 1024x768+0+0 0mm ...
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42 views

Export virtualbox image files from a linux box

We have a Linux box that we used to have support for. but the company that supports the box went out of business. The server (I believe is Ubuntu) was backing up our physical servers and creates an ...
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73 views

Installation Step Failed (installing the system) - Kali Linux

I am trying to install Kali Linux on a Virtual Machine using Virtual Box on an OS X host. The only issue is I get this error: Here are logs of my errors: hardware-summary partman syslog Also if ...
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40 views

VirtualBox network interface with custom CIDR and internet access

I have an OpenStack setup running on VirtualBox. The host OS is Ubuntu, and the guest OSes are all Ubuntu. I use 3 VirtualBox VMs to setup and install OpenStack. My OpenStack setup further spawns ...
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32 views

Vagrant + VirtualBox gets slow at random times, until I focus the VirtualBox GUI

No idea where to find a solution to this, and giving this a really long shot, so any help or pointers in the right direction would be much appreciated. I'm running a VirtualBox with GUI mode enabled, ...
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17 views

Issues with getting a tun0 connection to route any and all connections from eth0 to be made to this interface and if not working drop

So I've been having this issue for a while and the internet has been mixed for a response. Sadly most configurations for setting up a VPN seem to assume you are running both a vpn client and server ...
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2answers
207 views

Installing VBox Guest Additions when there is no X-server

I'm using Virtual Box on my windows 8.1 host machine. I have installed CentOS & Ubuntu in 'Graphical Mode' and had sufficient practice. But now I wanted to switch to 'Command Line Mode" ...
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1answer
29 views

autostartdbpath missing from VBoxManage setproperty

I am trying to autostart my VM's on a debian box using VirtualBox. Whenever I issue the command VBoxManage setproperty autostartdbpath /etc/vbox I get the following output. ...
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59 views

GParted LiveCD fails to start

I have a VM setup in VirtualBox (LinuxMint 17.1). But I'm trying to boot to GParted so I can resize a partition. I'm using gparted-live-0.22.0-2-amd64.iso and it boots correctly. I've tried every ...
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58 views

Setting up fedora with virtualbox host only account (guest to have static ip)

So I've been tasked with doing a headless fedora 21 install on virtualbox, it needs to have a static ip assigned, and I need to have it as a host only network (its a testing environment). So I've ...
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69 views

Virtual Box Bridged network failed to get IP (DHCP) No DHCPOFFERS received

My goal is to get Bridged network working. When I try to UP interface in my Virtual Box VM, it tries some DHCPDISCOVER messages, but eventually I get No DHCPOFFERS received. I found where is the ...
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23 views

Kali is in virtual box is not finding IP when booted as HostOnly. How to solve?

I have setup Kali Linux in OracleVM. When I installed the OS, its network type was NAT. But, when I changed that to HostOnlyNetwork, it is not finding its IP address. Now when I changed it back to ...
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20 views

Windows keep resizing by them selfs in Fedora 21 VM Virtualbox, host Fedora 21

It's really annoying but I've been getting this behaviour lately in my test machine: Fedora 21 x86_64 KDE VM in VirtualBox the host is Fedora 21. Here is a pic: I put the system to saved mode if I ...
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1answer
54 views

USB not working : USB Ports Hijacked/Reserved Permanently by VirtualBox

This scary incident happened today morning. I started a virtual machine inside my Linux Mint host and shared my USB Wireless device with the machine. The virtual machine's image resided in an ...
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1answer
25 views

How do I keep the time on a server (virtual machine) updated over time?

I have a virtual machine running headless in my machine. When I start it for the first time, the result of date command is correct. But after about a day or 2, I SSH into it and the date command has ...
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36 views

How to set up networking in UML on Fedora 21 on VirtualBox?

I'm trying to set up an user mode linux machine on my virtual machine with fedora 21, as a part of a school project. I've got it running, but I've no idea how to get the networking to work. edit. ...
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31 views

VirtualBox wont do seamless mode

I had a wheezy debian virtual machine, and I updated to jessie. Now, the VM will not do seamless mode, or even full screen. I tried updating VirtualBox, installing Guest Additions, installing the PEUL ...
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18 views

Linux doesn't recongnize recent installations

I'm working inside a virtual machine, and I don't know why software installation does not work. I have to restart my machine, but that is not an option.
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1answer
43 views

How to start Virtual Box service on Linux

I performed a dist-upgrade and then and autoclean and autoremove. It disabled the Virtual Box service on Linux because the headers were out of date. The headers caught up, so I rebuilt the modules off ...
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1answer
33 views

virtualbox on os x lags when not active

I am running ubuntu server as guest inside virtualbox on os x 10.10.x host While the system works, it lags whenever the virtualbox window is not the active app. E.g. I log into ubuntu from terminal ...
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1answer
75 views

Manjaro: Module vboxdrv not found

I upgraded the system and did sudo pacman -S virtualbox virtualbox-host-modules virtualbox-guest-iso virtualbox-host-dkms yaourt virtualbox-ext-oracle sudo depmod -a sudo modprobe ...
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1answer
89 views

Adding alias in /etc/hosts for Linux OVM

I have deployed a CentOS 6.6 VM (hortonwoks sandbox VM) on my Windows 7 OS. The VM publishes apache spark applications through a http url. The url's have the hostname as "sandbox.hortonworks.com" ...
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18 views

no vboxvideo on login screen

I have several Arch Linux virtual machines on VirtualBox 4.3.8 (Windows 7 64-bit host). Prior to updating the Arch systems, the display managers (KDM and LightDM) were able to make full use of my ...
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55 views

Oracle VirtualBox Virtual machine automatically goes pause state

Virtual machine goes Pause state Automatically. And Error message shows in one box " An error has occurred during virtual machine execution! The error details are shown below. You may try to ...
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2answers
78 views

How to connect from home PC to Virtualbox/KVM that hosted on Ubuntu server?

I have an Ubuntu server, it's 3TB HDD space total and 24GB RAM, I want to take 1 little bit of space and RAM to make VPS Windows using VirtualBox or KVM. I want to install Windows Server 2008 on ...
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1answer
57 views

Virtualbox Shortcut to box in Elementary OS

I am using ElementaryOS and installed VirtualBox. When I try to create shortcut to a specific box (right click > Create Shortcut on Desktop) nothing really happens. How do I make shortcut and place it ...
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1answer
94 views

how to make virtual box use video memory from NVIDIA graphics card?

as you can see virtual box is using Video Memory from Intel HD graphics. How do I make it use memory from my Nvidia graphics card which has 2Gb memory much bigger than Intel's 128Mb ?
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1answer
41 views

Running windows programs on linux via VM or PlayOnLinux?

I have Linux Mint 17.1 Cinnamon edition installed and, till now, I used PlayOnLinux to run a windows program in Linux. Browsing on the internet, I noted it is really simple to run a program by using ...
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74 views

Error while Booting from USB in vitualbox from linux host machine (process:9494): GConf-WARNING

My host machine is linux mint. I was configuring to boot from usb in virtualbox. i run below commands: $mount In my case USB drive is /dev/sdb1 so i run: $ umount /dev/sdb1 create directory with ...
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1answer
75 views

Why Metasploit not being able to establish Meterpreter sessions? [closed]

I am entirely new in Linux. I have set up a pen-testing lab with Kali Linux 1.1.0b, windows xp sp3, and, Metasploitable 2 Linux. PostgreSQL and Metasploit services are running well. But, the ...
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1answer
81 views

File permission in VirtualBox shared folder

I'm new to Ubuntu and the terminal. I installed Mint 17 on VirtualBox as the guest. After that, I created a shared folder and mount it on Mint. sudo mount -t vboxsf share ~/host I also installed ...
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1answer
45 views

Unable to ssh into virtual machine on host only network

I have created a virtual machine in virtual box with host only network. I am able to ping to the virtual machine but when i try to ssh into the same machine it reject my request with following error ...
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69 views

Unable to access localhost in Oracle VM (CentOs[Guest]) from Windows7(Host)

I'm trying to access the localhost in VM from Windows 7 64bit(Host OS), but unfortunately getting "Not Found" Http Error 404. I'm able to login to VM using Putty. Below are the work environment ...
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1answer
57 views

Copy& Paste Fedora and Virtualbox CentOS7

I want copy text from Fedora 21 and paste to Virtual box with CentOS 7 how can I do that?? I change in Virtual box settings Shared Clipboard and Drag'n'Drop to bidirectional Thanks for help, ...
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81 views

connecting to virtualbox ubuntu from osx extremly slow

I am running ubuntu 10.04.x as guest on virtualbox from osx x 10.10.x host It works (kind of), but after working a while with it and also after power sleep it can get almost unusable slow. It looks ...
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113 views

virtualbox error: Callee RC: NS_ERROR_FACTORY_NOT_REGISTERED (0x80040154)

The last step of creating a virtual machine says Failed to create a new session. Details: Callee RC: NS_ERROR_FACTORY_NOT_REGISTERED (0x80040154) This error message shows up on terminal ...