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

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space-efficient disk snapshots on Linux

I like the ability of VirtualBox to instantly create and restore snapshots and I was wondering, if it's possible to do similar things on the host machine. First I looked at lvm snapshots, but some ...
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0answers
3 views

qemu-nbd vs vdfuse for mounting vdi images

What's faster, qemu-nbd or vdfuse? Which support differencing images (snapshots)? I suspect fuse to be slow, but nbd seems to be some old stuff.
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1answer
14 views

Virtualbox has changed the output of lsb_release on host

I installed Kali in virtualbox with Debian as my host. I've done it several times. But, when I reboot my host I noticed Debian is missing from the list of OS'es in the GRUB menu. It's showing Kali. ...
0
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1answer
23 views

Enable ssh host to guest & guest Internet on CentOS 7 guest with VirtualBox

I have 2 CentOS 7 guests running in VirtualBox on a Ubuntu host. I want to be able to: Connect using ssh from host to guest Download/install packages from the Internet on the guest. I currently ...
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2answers
25 views

Encrypted FileSystem in VirtualBox

I'm looking for any information regarding how secure an encrypted Linux file system is when contained in a VirtualBox virtual drive on a Windows host? Specifically I'm looking for answers to the ...
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0answers
18 views

Is it safe to run programs that have viruses on a virtual machine [on hold]

Is it safe to run applications with viruses on a virtual machine? Please explain the vulnerability
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0answers
15 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. ...
0
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1answer
17 views

Which bus drivers to include when compiling freeBSD kernel?

I'm trying to compile a FreeBSD kernel and make it as light as possible. I'm struggling with the configurations on the bus, especially the SCSI Controllers part. there are many modules e.g: ahc, ahd , ...
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0answers
12 views

Snapshotting / Saving cloud foundry single node install for future use.

I have set up cloudfoundry on virtualbox using bosh-lite and vagrant. I would like to save the state of the machine for future use either on my own machine or for others to use and experiment with as ...
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0answers
32 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 ...
1
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1answer
37 views

How to install grub on a new drive?

I have a virtual box running with CentOS, I am attaching new disk to existing centos VM and trying to install grub on this newly attached virtual disk. Later I will bring-up a second VM with newly ...
1
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1answer
28 views

Gateway configuration is not working

I have three virtual machines, vm1, gwvm and vm2. gwvm has two interfaces, one connected to vm1 and other connected to vm2. Following image has IP and route details, Here vm1 and vm2 are in ...
2
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1answer
26 views

Arch Linux openSSH frequently drops connection

I'm running a VM using Oracle's VirtualBox. The OS is the latest version of Arch, 64-bit. For some odd reason, every so often (frequently enough to be very annoying and making it almost impossible ...
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1answer
59 views

Linux GPU Pass-through Virtualization - Verify wich component causes trouble

GPU Passthrough Virtualization with KVM or VirtualBox For a research project I need to passthrough a PCI GPU from a Ubuntu Host to a Windows 8.1 guest. We need to test a certain setup, where the ...
1
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1answer
11 views

Can I install Arch-Linux in my hard disk partition running archlinux iso in a VirtualBox?

I am running arch Linux in my oracle VirtualBox and learning to install with arch wiki documentation. I was wondering if following things were possible to perform: First I have done following things ...
0
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1answer
24 views

Explain ipaddress assignment to the virtual box?

presently my subnet ipaddress starts with 192.168.0.XXX. now my quetion is I am using virtual box in that i installed ubuntu 14.04 can i assign the ipaddress of the node with diffrent ipaddress ...
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0answers
104 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. ...
0
votes
1answer
12 views

How to access a inet6 address from browser

I have installed a pre-built Virtual Box image on an OS X host, and started it up. It's running Ubuntu 12 and Tomcat. From within the box the adapter information only contains an inet6 address (see ...
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0answers
73 views

Linux Fedora +Virtual box +vagrant = problem with shared folders

My host OS:Fedora 21 x86_64 Virtual box: 4.3.20_RPMFusion r96996 vagrant: 1.7.2 I use shared folders with NFS synchronization for my projects . When vagrant try create shared folders i have ...
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0answers
10 views

Final Term buffer always on top?

I'm not sure if this is a compositing issue, or what might be causing this. I'm running Arch Linux (64bit) and Final Term is the only app causing this peculiar issue. Any ideas?
0
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1answer
42 views

unable to access USB in virtualbox [duplicate]

I am beginner in linux-unix...In my office, i have been assigned to do work on linuxmint16. I have installed virtualbox and create two vhd. one is windows server 2008 and another one is windows 7. In ...
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1answer
18 views

How to take virtual machines state/back-up automatically?

My problem is, I want to take state/back-up of those 4 virtual machines(VMs) automatically after every 2 days. I am using Oracle virtual box(VB). I just want to know Is there any way or ...
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0answers
46 views

TFTP server in bridged VirtualBox VM not working with client specific configuration

I recently had to setup a network boot environment for some embedded devices. I decided to use an Ubuntu 14.04 in a VirtualBox VM with the virtual network interface bridged to the physical ethernet ...
0
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0answers
13 views

Virtual Host showing error 11001 even after chown and chmod

I am trying to create a virtual host to just test a basic html website. Guest OS - Ubuntu 14.04 Host OS - Ubuntu 14.10 In the Host OS, I connect through a proxy server which requires me to enter a ...
0
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1answer
56 views

Unable to install Arch Linux on SD card via Virtual Box

My aim is to create a bootable SD card with Arch Linux, for my Raspberry Pi. I have been trying to follow this guide without success. So far I have: A working Arch Linux virtual box, as my host is ...
0
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1answer
41 views

virtualbox - existing folder in ubuntu as shared folder

I have some existing directory in virtualbox running ubuntu, and would like to make this folder a shared folder in virtualbox, so that the host OS, will see it. The end goal is to use git in the host ...
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1answer
53 views

Using of qemu-system-x86_64 with key -enable-kvm on VirtualBox

I have windows 7 as host. I launch virtualbox with ununtu 14.04 on my Windows 7. I try to launch debian inside Ubuntu: qemu-system-x86_64 -enable-kvm -hda disk.img -boot c -m 256 -localtime. Another ...
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1answer
21 views

CentOS Black Screen after 4+ hours of indexing

I am running a CentOS virtual image on virtual box. It has liferay and solr installed on it and I am trying to index a Lar file that is 50+ MB of metadata. This is estimated to take more than 12 hours ...
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0answers
20 views

VirtualBox state suddenly SEEMs to have been restored to an earlier time

I have CentOS 7 installed on my Windows 8.1 VirtualBox, and file-system sized 30Gb. It worked fine until this morning, then the storage became full (due to Downloads and Projects). I tried a tool ...
0
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2answers
29 views

Cloning a drive larger than your own

I made this nice backup system to turn drives into vdi's and put them on our network share. Then the next day my boss walks in with 20 new machines to replace our old ones, they have 2TB drives. How ...
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0answers
43 views

Installing elementaryOS

Can anyone tell me what is necessary to get elementaryOS installed in a virtualbox on a Windows7 host? I came across elementaryOS a few days back and I have been trying to install it in a VirtualBox. ...
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3answers
453 views

Installing VirtualBox in Fedora 21 using RPM Fusion is giving me problems

I've recently installed Fedora 21 Workstation and I want to install the VirtualBox package from RPM Fusion. But it is giving me problems. $ uname -a Linux a10-5800k 3.18.5-201.fc21.x86_64 #1 SMP Mon ...
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0answers
17 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 ...
1
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1answer
37 views

Unable to connect to internet from Centos VM

I am using VirtualBox 4.3, I have installed centos 6.3. I have two adpaters attached. 1) NAT 2) Host-Only I want to be able to setup a cluster of 3 machines which can talk to each other and also be ...
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0answers
14 views

How to pass local directory as drive in Windows+VirtualBox

Setup: Linux host + VirtualBox + Windows 7 guest. Currectly I use shared folders feature but it is too fragile, I see all phantom effects and on the other hand Windows have change file notification ...
0
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1answer
70 views

SSH to a virtual machine

I recently installed a Linux (Mint 17) virtual Machine on a Windows 7 PC. In order to be able to SSH to this virtual machine, I had to define a few rules and redirect ports as explained in other posts ...
2
votes
1answer
98 views

How to create a bootable hard disk image from an iso image?

I would like install a proprietary operating system onto my CentOS box using VirtualBox. There is a problem though, when I mount the install ISO image as a DVD, soon the installer complains of missing ...
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0answers
26 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 ...
2
votes
1answer
66 views

terminal converts first letter to uppercase

After a $ vagrant ssh into a Centos 7 VM, - If I type a command in the VM terminal that uses zsh shell, the first letter gets uppercased. How can I stop this behaviour? I briefly looked at $ stty ...
3
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1answer
66 views

Why does VirtualBox spawn so many processes on Linux?

I am using VirtualBox version 4.1.12_Ubuntur77245. Following is a screenshot of the command htop. Why does virtualbox spawn multiple processes for a single VM?
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2answers
41 views

how to install the virtual-box on Linux Mint 17?

I need to install the virtual-box on my Linux Mint 17 machine, so please help me out. Also tell me if any prerequisites to install in the machine. Thanks in advance.
1
vote
1answer
29 views

Access network of PC2 from virtualbox installed on PC1

I am going to attend one seminar where I need to bring laptop with installed Virtualbox and Windows 7 running inside it. My laptop is too old to handle Virtualbox with Windows 7 and native Linux ...
0
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0answers
87 views

How to use a ChromeOS recent build artifact to boot with VirtualBox?

Given the build artifacts from a recent successful ChromeOS build, how can this chromiumos_base_image.tar.xz be converted for use with VirtualBox? An message board thread indicates this is possible, ...
0
votes
1answer
155 views

ubuntu Kernel panic while installing CentOS 7 in VirtualBox

I have a laptop with Xubuntu desktop 14.10 , and I installed VirtualBox and updated it to the latest version . I'm trying to install CentOS 7 (source downloaded from the official site) as a VM, ...
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0answers
157 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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2answers
32 views

Persistent Virtualbox guest VM hardware configuration

I wish move to virtual Windows on my corporate laptop, rather to keep it as host OS. I will use this VM Windows on few laptops, but because this will be fully original OS version with Office and ...
1
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1answer
119 views

Enable 1440p on CentOS 6 (VirtualBox Guest)

I'm attempting to increase my resolution to 1440p on an existing CentOS VM. Currently, the display options only show up to 1080p under CentOS (guest OS, screenshot here), but I am able to run 1440p on ...
0
votes
1answer
66 views

How can I mount a subfolder of a shared folder?

I'm using this command to mount a shared folder inside my VM: sudo mount -t vboxsf vm_shared ~/shared/ Is it possible to mount a subfolder inside vm_shared to ~/shared/ ?
1
vote
1answer
104 views

Why does a linux guest consume 100% of the host CPU under VirtualBox when the guest appears idle?

I am using VirtualBox on a Macbook Pro running Yosemite. My linux guests sometimes consume 100% of the host CPU (viewed in Activity Monitor) even though the guest is idle. Why is the host CPU ...
2
votes
0answers
129 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, ...