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

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WebGL support on VirtualBox guest

I've managed to install a Debian 7.3 as guest on virtualbox 4.3.6 VM with guest additions, and I'm not able to make work webGL. While I'm able to see openGL working (tried with glxinfo and glxgears ...
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113 views

Does ZFS for Linux over stress VirtualBox?

I've been using MD raid + LVM for many years, but recently decided to take a look at ZFS. In order to try it, I created a VirtualBox VM with a similar layout to my main server - 7 'SATA' drives or ...
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178 views

Why doesn't ufw enforce firewall rules for traffic coming from Virtualbox VM

I've been running Linux Mint 17 on my laptop for a while and thought I had it locked down to not allow any incoming traffic through "Firewall Configuration" (ufw GUI)—I have also validated this from ...
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5k views

vboxpci: IOMMU not found (not registered)

I'm running Arch with 3.6.10 kernel, When vboxpci module is loaded, it tells me vboxpci: IOMMU not found (not registered), But I checked my kernel config, I have the INTEL_IOMMU set already (I uses ...
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287 views

Increasing serial baud rate within Ubuntu under VirtualBox

I'm debugging a kernel module under VirtualBox with a guest and host OS as Ubuntu 10.10. I'm using the virtualbox serial port but I'm maxing out at the baudrate 115200. My grub config looks like ...
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325 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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126 views

How to update ip in hosts file automatically from a VirtualBox guest?

I have a VirtualBox guest running Debian with Bridged Adapter. The host is running on Windows 8. I would like to connect from the host to the guest through a specific port. I came up with the ...
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35 views

Automate a gratuitous ARP every x seconds

There may be another issue here, so any other questions or comments are welcome. I have a CentOS 6.6 VM running under VirtualBox. It is connected to a GNS3 topology using a UDPTunnel. Everything ...
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241 views

Virtualbox guest responding really slow over SSH, VBoxHeadLess stuck in 99.9% system time

I've been using Vagrant/virtualbox on a relatively new laptop with decent specs (16GB memory, Intel i7 4710HQ cpu, dual m-sata SSD). So far, with every guest I run, I encounter really high latency, ...
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34 views

guest owns NIC, host and other guests access via NAT

OK, this is a bit complicated. On my host OS, when Guest1 is running, I want any incoming connections to go to guest1. So from the outside the system looks like guest1. But I still need to access ...
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50 views

Linux Apache VM Port Issue

I have a RHEL VirtualBox VM in bridged mode so it can be accessed from the LAN. RHEL hosts an HTTPD server configured to listen on ports 80, 8080 and 8181. netstat -an | grep :8 confirms that port 80, ...
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443 views

VirtualBox guest machine as a nginx host

I have VirtualBox 4.3.12 with Fedora 20 and nginx 1.4.7 installed. Machine has Bridged Network interface and pings can be done both ways: from host machine (Windows 7) using ping 192.168.0.15 ...
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56 views

Keyboard error in Fedora 20 (virtualbox)

When I press the ALT key it also presses the CTRL key in the guest machine (Fedora 20). This prevents me from typing [ ] { } ~ ... and so forth. My current workaround is: After I press ALT I press ...
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122 views

Configuring default static routes with RIPv2

I am currently working on an assignment managing a smaller virtual network with virtual box and tiny core Linux. (Using quagga) I am supposed to let RIP handle the default routing, though I cannot ...
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329 views

DNS works half of the time in Oracle VirtualBox and I can't even maintain /etc/hosts file

I have installed three Linuxes on same laptop and same VirtualBox and this is my success ratio with DNS: HortonWorks & CentOS. Worked for 5 minutes and never after that again. VM image ...
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386 views

Debian 64-bit sees less than 4GB of RAM

I have a Debian wheezy (7.4) amd64 virtual machine running under VirtualBox 4.3.10 on a Win7 x64 host with AMD A10-5700 processor. The virtual machine is configured with 16GB of memory (the host has ...
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137 views

sharing folders in virtual box

I'm trying to run a Linux Mint guest inside a Linux Mint host(both 64-bit). I've installed Guest Additions etc. But I'm not able to access the shared folder. sudo mount -t vboxsf kernel ...
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245 views

Startx Segmentation fault error after installing VirtualGuest Additions for Virtualbox

I have been using my backtrack version 5 on the Virtualbox for some time now but I had a resolution problem and after searching found out I better install VirtualGuest additions. However after ...
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385 views

After installing VirtualBox to Fedora 17 the system won't boot (NVidia drivers)

My luck I had couple of older kernels, which work. The new kernel, probably somehow patched by VirtualBox fails to load. What fails is X-server, when it tries to start, here's the log: [ 14.284] ...
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2k views

Using a bridge, an LXC container can't ping router, but the host OS can

I've got a virtual machine running under virtualbox, and in that virtual machine I've got an LXC container I'm trying to bridge to virtualbox's NAT interface: ------------- ----------- ...
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884 views

Error: invalid arch independent ELF magic, while loading a VirtualBox machine with Ubuntu Tinyos

I've created a virtual machine with Ubuntu (having TinyOS). The problem arises when I start the machine. I immediately get a black screen with written: GRUB loading. error: invalid arch independent ...
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376 views

How to manage 2 vm using upstart?

I use an upstart script to monitor a vm and respawn it when it gets killed. I would like to simulate a failover by doing the following. Create a clone of the VM1 say VM2. When either of them is ...
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542 views

VirtualBox with aMule - How to configure network, port forwarding… properly?

for security reasons I am running aMule inside VirtualBox. Guest and Host systems are Linux (to be more specific Arch 64 distro) Host system has public ip directly connected to internet (no router) ...
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151 views

VirtualBox appliance import locks up system

I have a Windows Vista x64 appliance that I am trying to import into the Open Source Edition of VirtualBox on Linux Mint 11 x86-64. The ovf file is 21.3 GB in size. The problem I am having is that ...
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1k views

TP-Link WN321G USB wlan in VirtualBox Ubuntu guest

I am trying wifi usb stick tp-link wn321g @ ubuntu 11.04 (in virtualbox), so far I was able to scan the air, connect to a wpa2 network and do some basic information gathering using airodump-ng Now ...
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327 views

VirtualBox bug[?] when Chainloading Grub2

Regarding this: How to install Fedora&Ubuntu with encrypted VG's on one disk? So booted into Ubuntu..and I run this script: #!/bin/bash # show the bootlist of grub when booting pc sed ...
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33 views

VirtualBox - guest bridged connection to host's eth0 fails

I have some weird issues (or lack of understanding) with my VM Lubuntu 14.04 on a Debian Jessie host using VirtualBox. My host has a static IP on its eth0 which is wired to a Raspberry Pi 2 (also with ...
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78 views

How to downgrade VirtualBox after a kernel upgrade to 4.1.4-1?

I run Arch Linux and did a complete pacman sync and upgrade of my entire system. One of the updates was a kernel upgrade that I am happy with and had no other problems with. One of the packages that ...
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16 views

Can't access host-only network when on two interfaces

I'm trying to use a host-only connection with my VirtualBox VM. My VM is set up and can ping the host (192.168.56.1) on vboxnet0. If I disconnect the host from my local network (internet access) I ...
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58 views

Using raw physical hard disk in virtual machine, with smart capability and true model number seen

Is it possible to add an entire physical hard disk to a VM, and inside the VM see the hard disk for what it truly is? In VMware Workstation 11.1, if I add a hard disk choosing SCSI, with "Use a ...
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22 views

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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75 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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108 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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46 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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112 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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31 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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26 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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41 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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59 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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54 views

How can I consistently tell OpenSUSE to refresh the clock / current time?

I use OpenSUSE in a VM and sometimes want to save the machine and get back to work later. I haven't had much success with hibernate or suspend, so I simply save the state of the machine and resume ...
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95 views

How to set up RTLinux on x64 laptop to behave realtime?

I have to set up RTLinux and run a real-time ST language interpreter. The official RTLinux has been abandoned and its official download site does not work. I decided to use community RT_PREEMPT patch. ...
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154 views

Timezone problems with CentOS under VirtualBox

I have the following problem on a CentOS 6.5 system running under VirtualBox v4.2.4 on Windows 7 Pro SP1. date always prints a UTC time but with the correct timezone shown, e.g. if I run date at ...
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455 views

VirtualBox Bridged Networking is not working (NAT and Host-Only works)

I'll try to be brief and include all the things I've tried out so far: Guest OS: Debian Wheezy Host OS: Windows 7 Setting networking to NAT works. Setting networking to host-only works as well. ...
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67 views

Can I exclude some key bindings in VirtualBox?

I am running Ubuntu 14.10 as my host system. Then I have Virtualbox with Windows 8.1 as guest OS. I am using workspaces in Ubuntu and I want to run Virtualbox in fullscreen in one workspace and at the ...
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540 views

Having trouble using pantheon-greeter-bzr and pantheon-session-bzr on virtualbox with ArchLinux

I am trying to test ArchLinux with Pantheon on a VM on VirtualBox. I am able to install ArchLinux and pacman -S the following packages succesfuly: xorg-server xorg-server-utils ...
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383 views

Create disk space on Vagrant/VirtualBox guest

I am looking to expand my VMs storage space and have done it the following way: Moved Vagrant to an external hard drive Reformatted the box to .vdi, resized it, formatted back to .vmdk Re-added the ...
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104 views

Use VirtualBox to access site on host from guest? the host and guest is linux

I'm running VirtualBox on a Ubuntu (host), the VM I’m using is fedora (guest). VirtualBox is setup to use the NAT network adapter, and I'm able to get to the internet. I use Port Forwarding to access ...
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229 views

Connect OpenVPN server on Ubuntu Guest VM

Setting up OpenVPN server on Ubuntu Server VM and trying to connect to it from HOST Windows 8 but had no luck. There is no connection. Whats wrong? Everything was did with this tut: ...
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106 views

centos virtual machine not registering with intranet dns server

When I am creating a Ubuntu virtual machine on virtual box it automatically registered with DNS server in my intranet network, it has both intranet IP and domain name. When creating CentOS virtual ...
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47 views

VirtualBox resume from hibernate does not mount shared folder

I am facing the problem that after returning from hibernate, it does not mount the shared folder anymore. As the following shows in /media folder: lrwxrwxrwx 1 root root 6 May 2 2014 cdrom ...