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

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Error while installing Debian 7 on a virtual machine (Failure trying to run: chroot /target mount -t proc proc/proc)

I tried installing Debian wheezy on both Virtualbox and VMWare Player, but I incur everytime in the same error, Failure trying to run: chroot /target mount -t proc proc/proc. Debian is 7.6.0 amd64, ...
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1answer
1k views

resize root volume with lvextend insufficent space error

My root partition is running out of space, so I'm trying to extend/resize it. Filesystem Size Used Avail Use% Mounted on /dev/mapper/u64-root 19G 18G 823M 96% / none ...
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1answer
81 views

Securing NFS in a multihomed environment

In a virtualised environment (VirtualBox with host-only networking) I want to share a folder on the host with the guest via NFS. I think that to achieve this, I should bind the NFS listening port to ...
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95 views

vdi image wont boot after converting from raw format

I created a virtual disk from a live archlinux instance following this article which is bootable and works. to summarize: > fallocate -l 4G archlinux.raw > mkfs.ext4 -F archlinux.raw > ...
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177 views

Tunnel Win7 guest in VirtualBox through Tor running on Host

I have windows 7 running as a Guest in Virtualbox on my machine with ArchLinux as a Host. I want to redirect all the traffic from my Guest through Tor. For that I want to use a "Anonymizing Middlebox" ...
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0answers
204 views

PHP running under “www-data” user

In PHP if I run get_curret_user() it prints www-data. This makes it impossible for me to use this function in order to test a FTP password from input. Is there any way to make PHP run under the ...
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3answers
121 views

Server running on guest Linux VM will not accept connections from Windows host

I have a simple echo server program running on CentOS 7. If I run both the client and the server in the VM, I can connect to the server. I'm using VirtualBox with the "bridged" network configuration. ...
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1answer
448 views

Can't find vboxdrv on Debian Testing after installing Virtualbox.

Virtualbox refuses to load up any virtual machines, due to vboxdrv not being loaded. I have tried most things. From uninstalled everything virtualbox related, then installing linux-headers then dkms, ...
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1answer
239 views

Run the Arch ISO in VirtualBox with shared folders

I am trying to use the shared folders feature when running the Arch ISO as a VirtualBox guest OS. The reason is that in the shared folder I have the scripts to make my persistent setup. After the ...
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0answers
81 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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459 views

Remote connection to RedHat virtual machine from other PCs in the network

I have installed a virtual machine RHEL 6.1 using Oracle Virtual Box on my Windows 7 Computer. I have set the network options to Bridged adapter mode, my host Computer (Win-7) is connected on my home ...
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114 views

Issue in ubuntu disk size (vitualbox image)

I am having an issue while increasing the disk size for Ubuntu where I see that pvdisplay doesn't show all the partition, and only show /dev/sda5. Also Ubuntu disk size is 52.4 GB, but the disk is ...
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64 views

Troubleshooting a Kali Installation

I tried to install Lali Linux on VMware Workstation but got the following problem: How can I fix it?
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1answer
1k views

RAM for Kali Linux 1.0.9 VMWare 32 bit (i486)

How much RAM is the Kali Linux 1.0.9 VMWare 32 bit (i486) pre-configured to use. I have been searching on Google and various sites and cannot find the answer. I have limited, slow internet and need to ...
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1answer
124 views

Move zsh settings from Arch live to Arch regular

I just installed Arch as a guest (Virtual Box), and I really liked the way that the shell behaved on the live version of Arch. What would the steps be in order to copy those settings (from live) ...
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0answers
138 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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820 views

Xlib error “extension ”GLX“ missing on display” on VirtualBox guest OS

I have a remote build-machine with Jenkins and I'm trying to run GUI application. In Jenkins I installed Xvnc plugin, which uses TightVNC Server, but each build has failed. Earlier, there was a ...
3
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1answer
541 views

Installing FreeBSD in VirtualBox aborts unexpectedly

I have tried installing FreeBSD-10.0-RELEASE-i386-dvd1.iso into VirtualBox 3 times already today (each time starting from a fresh creation of a VM) and right when I'm about to Exit (Apply ...
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1answer
6k views

Running sh script: «Permission denied» despite the executable bit and root rights

I installed Debian in VirtualBox (for various experiments which usually broke my system) and tried to launch the VirtualBox guest addon script. I logged in as root and tried to launch autorun.sh, but ...
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1answer
69 views

simulate the read only environment without the users realizing it in VirtualBox

I have configured the Virtual Box in my machine. Now, I have the original Virtual Box images available under the folder /home/original_vbox_images. Now, the Virtual Box, as per the configuration, ...
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1answer
1k views

Unable to ping CentOS virtualbox

I have created a virtual machine for CentOS in VirtualBox using an NAT connection (It wont work under Bridged). Now the problem is I can ping from CentOS to my IP on Ubuntu with no problem but I ...
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2answers
442 views

Domain Name problems in CentOS hosted under VirtualBox

When I ping www.google.com I get: [root@ryanPC ~]# ping www.google.com ping: unknown host www.google.com Also, when I run ping -n 8.8.8.8, I get: connect: Network is unreachable So I have ran the ...
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3answers
3k views

virtualbox keeps showing error “Kernel driver not installed”

I'm trying to install a Windows7 guest on a Linux host with Virtual box. I've set my guest up but when I hit start, I keep getting the message: Kernel driver not installed (rc=-1908) The VirtualBox ...
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1answer
557 views

Accessing file from the Windows host in a VirtualBox virtual machine

I am running Ubuntu 14.04 as the guest operating system in a VirtualBox virtual machine. The host runs Windows 8 (24GB). I want to access a folder of the host inside the guest. Since the source is ...
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0answers
81 views

What are some suggestions for using hdiutil (or other tools) to assist in recovery of files from dmg image?

Background I am attempting to recover information from a USB using GNU ddrescue 1.18.1. I have completed the rescue operation output from the /dev/disk2s2 partition to a disk image file on a ...
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1answer
448 views

Run AVD and VirtualBox at the same time

I'm developing for Android so I have the Android SDK installed and in it the program that runs virtual machine. Also, from the same reason, I'm running a oracle virtual box to host myself a redmine ...
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1answer
40 views

Scientfic Linux slate wiped clean on VM after restart

I have installed Scientific Linux on VirtualBox. After every restart, I get this: Which is fine, I suppose. But if I press a button, I get this: I am not sure if that is a common occurrance, I ...
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638 views

virtualbox mail server postfix+dovecot

I'm setting up a mail server(ubuntu14.4 serverX64) for development/testing purposes (using virtualBox bridged-mode) and I just finished this tutorial and everything seams to work. Now I'm not able ...
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1answer
252 views

Unable to start Virtual Box in Cent OS

[root@localhost sysadmin]# /etc/init.d/vboxdrv setup Stopping VirtualBox kernel modules [ OK ] Uninstalling old VirtualBox DKMS kernel modules [ OK ] Trying to ...
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1answer
67 views

How do I create a VM from an existing FreeBSD 8.2 PreRelease server?

I need to create a VM (VirtualBox) out of an existing freebsd 8.2 pre-release i386 machine. I need to replicate the exact same environment and I can't rebuild from scratch because FreeBsd 8.2 ...
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2answers
768 views

How to achieve higher display resolution for Ubuntu under VirtualBox?

In this setup, Ubuntu under VM only achieves low resolution at 640 * 480 while host is 1920 * 1024. How to, (I believe is to configure X server), achieve higher resolution? I have set in VirtualBox ...
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2answers
2k views

Ubuntu under VirtualBox 4.3.12 r93733 run slow on Windows7 with AVG free 2011

Ubuntu VM speed is subjectively 5 to 10 times slow. Tried setting CPU number, PIIX3/ICH9, Display 3D acceleration. Still slow. Any pointers appreciated. VirtualBox installed with all default setting. ...
3
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1answer
69 views

Not able to SSH into VM

I want to SSH from my host into my guest VM (CentOS). I can Ping. SSH is running. Port 22 is open. Looks like firewall is off / IPtables are all open. (this is not normal?) When I SSH into my ...
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0answers
269 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 ...
3
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1answer
25k views

How to use Wireless Network in Virtualbox?

I'm trying to enable Wireless on VirtualBox in my Ubuntu 14.04. I use a Kali Linux as the guest OS, but this OS not show the wi-fi when I connect it. After starting the guest OS, it still does not ...
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3answers
4k views

Change IP address of a Virtual Machine running linux ubuntu on windows 8?

I currently have created two virtual machines in VirtualBox both running linux Ubuntu 14.04, and now want to have them have different IP addresses. (By default, they have the same IP address.) ...
3
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3answers
18k views

Trying to SSH to local VM Ubuntu with putty

I have found similar questions in my searches here, but most of the answers are way above me at the moment, so here goes. I have set up a VM of Ubuntu server, have installed OpenSSH, and am now ...
2
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1answer
821 views

Unable to access website hosted on virtual machine

I'm on a mac (osx 10.9.3) running CentOS7 in virtualbox. I would like to access the website hosted on the virtual machine. Browsing to the Guest IP returns webpage not available. I'm able to ping and ...
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1answer
3k views

Centos 6.5 from Desktop to basic server

I have already installed centos6.5 on a virtualbox, and I realized that I missed choosing the the basic server mode,can I change it now that the installation is over ?
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2answers
567 views

Linux: Recover files from .vdi file

Somehow my .vdi (Linux guest OS) file got corrupted. Now I have some files in it (Inside the vdi file) and I want to recover those files. How can I do that?
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120 views

Fresh install of Fedora 20 on a VM, seamless mode seems to be broken

Previously when I installed Fedora, maybe 16 or so, in my VM and did seamless mode on my windows 7 box, I got the gnome 3 bar to show up at the top of my windows machine (so I could use it from ...
2
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3answers
1k views

Is installing and configuring Arch Linux in VirtualBox going to be the same as installing it for real?

I want to learn how to install and configure Arch Linux on my MacBook. Since I'm just barely an intermediate Linux user (but with an intense desire to learn more), I will probably need a lot of ...
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1answer
40 views

Virtualbox delete vm ram

If I delete a VM in VirtualBox, what happens with the RAM I used to create that VM? Is it freed?
1
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1answer
36 views

VirtualBox with a transparent drive

I want to create a virtualbox VM for experimenting with Linux that uses a directory or some device that is completely transparent to the outside. Further, I do not want networking to work on this VM. ...
1
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1answer
497 views

Bridged TAP interface to virtualbox

I need bridged TAP interface on client side of my VPN to virtual machine. I use VirtualBox 4.3.12. But in Adapter Network options in Attached to: Bridged adapter I do not see my TUN adapter. I have ...
2
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1answer
586 views

Error installing arch Linux due to virtual box-guest-modules (despite not installing on virtual machine)

I'm installing Arch Linux, following the instructions at the Beginners' Guide, and got up to running pacstrap -i /mnt base base-devel. It finishes with the following error: resolving dependencies... ...
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3answers
11k views

Oh no! Something went wrong! Installing kali linux

I am trying to install a virtual machine running Kali (Formerly backtrack) 1.0.7 in 64 bit. My host machine is a 64 bit MacBook pro running 10.7.5. I am using Oracle VirtualBox version 4.3.12. The ...
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1answer
261 views

How to Upgrade Oracle VirtualBox 4.1.12 to to 4.2.10

I installed Oracle VirtualBox 4.1.12 in my Ubuntu 12.04. Now I want upgrade from 4.1.12 to 4.2.10 version. How can I upgrade the Oracle VirtualBox in command line
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1answer
61 views

How turn external HD visible in Virtualbox Debian VM?

I want to clone my Virtualbox VM to a another/external HD in my computer. My VM is a Debian 7, and I want to use the dd command on an external HD. Is this possible? When I use # fdisk -l only ...
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1answer
112 views

LVS is not accessible from the outside

I'm currently busy setting up a LVS - Linux Virtual Server: root@debian1:~# ipvsadm -L IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port ...