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

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2answers
647 views

Should I install Kali to a partition or run it virtually?

I am interested in taking a course on penetration testing with Kali Linux. Should I install Kali to a partition on my computer or on VirtualBox? Which one is better in general for pentesting?
3
votes
1answer
126 views

VMs “forgetting” MAC address of gateway on Ubuntu 14.04 host set up as a gateway using 1 NIC with 2 IP addresses on different subnets

I have an Ubuntu 14.04 server with one NIC. The MAC address on this NIC is assigned (by the data centre's gateway) one IP (X.X.X.100) in one subnet (X.X.X.0/24), with the gateway being in the same ...
2
votes
2answers
3k views

kmod-VirtualBox version mismatch in Fedora 22

I have VirtualBox 5 installed and working in Fedora for some 5-6 weeks with no problems after following this guide. However after I ran a dnf update yesterday it stopped working. VirtualBox itself ...
0
votes
2answers
1k views

Fedora 23 beta guest won't install VBox Guest Xorg drivers because X server version is a prerelease

I have tried everything I can think of. I've tried RPM Fusion, I've tried using the ISO, but both don't work. I have tried changing the stuff in the .run file, but the md5sum fails. I have tried ...
0
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0answers
49 views

Bridged Networking Problem with VirtualBox (Mac)

I'm running a Linux guest in VirtualBox on a Mac host, and the guest isn't connecting to the host's Wi-Fi. It's set to bridged networking, using the regular en0 Wi-Fi (AirPort). And in the VM network ...
0
votes
1answer
1k views

How to debug NT_STATUS_IO_TIMEOUT?

When trying to access a samba share with smblcient -L //localhost from my local Samba Server, I get after a delay the error message protocol negotiation failed: NT_STATUS_IO_TIMEOUT What are ...
3
votes
0answers
174 views

Can't connect to Virtualbox VM's static IP which is in a different subnet from the hosts's IP, but statically routed to the host HW addr

I have a physical server running Ubuntu Trusty (14.04) at a data centre where they assigned one IP address, as well as a /28 block (16 IP addresses, 14 usable) from a different subnet. They said that ...
2
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0answers
429 views

Virtualbox and GPU Pass-trough: Device with host PCI address already attached to this VM

I have server with several GPUs. My idea is to attach them to different VMs in order to use that VMs in CUDA (or OpenCL) calculations. My setup: CPU: Intel Xeon E5-2670 GPUs: 1 x Radeon HD 7970 $...
1
vote
1answer
3k views

Debian error message “Failed to access perfctr msr…”

I installed Debian (8.2.0) on Virtualbox and I always get the error message : Is the system affected by the error messages? What does the messages mean? And how do I get rid of it?
0
votes
1answer
69 views

How can I troubleshoot what is happening with the console mouse program gpm?

I am trying to get gpm working in a minimalist, built from scratch, linux environment. I have installed version 1.20.7 into an LFS (Linux from Scratch) 7.8 system that is running in a Virtualbox 4.3....
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2answers
524 views

Unable to connect to Linux VM from Windows 7 Desktop

ssh destination: --VM : Oracle VM Virtual Box 4.3.20 --Linux installed on VM: Fedora 22 (IP: 10.0.2.15 ) ssh source: --Windows 7 Desktop I installed putty on Windows 7 Desktop and am trying ...
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votes
2answers
1k views

yum No package VirtualBox-5.0 available. on a MINIMAL installation of CentOS 7?

I have tried many tutorials that give explicit steps for installing VirtualBox on CentOS 7, but none of them go to completion without throwing errors. Some of the tutorials assume that you will ...
4
votes
1answer
238 views

“Can't have a partition outside the disk!” for vdi created from a truncated image

I have used dd to create a partial/truncated image of a disk which only includes allocated spaces, then converted it to a vdi file for VirtualBox. I have successfully used the vdi image to run the ...
0
votes
1answer
1k views

service vboxdrv setup throwing error when installing VirtualBox on CentOS 7

I am trying to install VirtualBox 5.0 on a minimal (terminal only) CentOS 7 server, but I keep getting the following error when I type service vboxdrv setup: The service command supports only basic ...
2
votes
1answer
96 views

xfce4-screenshooter creates something invalid in clipboard when taking screenshot

I installed xfce4-screenshooter-plugin on my xfce VirtualBox Debian 8 and. with use of xfce4-screenshooter --help I bound PrScr and Ctrl + PrScr to capture full screen and active window screenshots ...
1
vote
1answer
115 views

Why isn't VBoxManage booting from DVD?

I am trying to use VBoxManage to create and manage CentOS 7 virtual machines on a CentOS 7 server. The commands below first result in the following conflicting statements: 1.) that the virtual ...
0
votes
1answer
91 views

Failed to mount /media/sf_vagrant

I am trying to setup automated mounting of my vbox shared folders. Everything works just fine from my normal user: $ sudo mount -t vboxsf vagrant /media/sf_vagrant However if I follow the manual ...
8
votes
1answer
6k views

Your kernel headers for kernel 3.10.0-229.el7.x86_64 cannot be found

When I type the command service vboxdrv setup in my CentOS 7 terminal, I get the following error: Your kernel headers for kernel 3.10.0-229.el7.x86_64 cannot be found How can I resolve this ...
2
votes
1answer
333 views

Debian VirtualBox auto mount fails on startup but works after login: mounting failed with the error: No such device

I have a VirtualBox Debianx64 system installed and I was trying to share a host folder to it. Following a tutorial, I came to a mount command: sudo mount -t vboxsf -o rw,uid=1000,gid=1000 [Virtual ...
1
vote
1answer
155 views

Chromium deps install problem on libgl1-mesa-glx:i386

everyone I'm trying to build chromium on Ubuntu 14.04.3 in my Virtualbox and get stuck at installing deps running install-build-deps.sh. The problem lies in package libgl1-mesa-glx:i386. Here's the ...
0
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2answers
53 views

Why is it impossible to run virtual box additions .run file?

Last time I was installing Debian + XFCE on Virtual Box everything went smooth, including virtual box additions which were installed in one click. Since then, the system became much more unfriendly. ...
1
vote
2answers
1k views

SSH into VirtualBox on Mac

I just installed VirtualBox on my mac, created a new Ubuntu Virtual Machine with "Use an existing virtual hard disk file" of the Cloudera Hadoop disk image. I'm able to start and run the virtual ...
2
votes
1answer
48 views

How to connect to a Headless Running VM

I started a VM using the Headless option. This has always worked fine. The system comes up, and I'm able to connect to it via rdp with no problems. At present it's stuck on startup waiting for ...
1
vote
0answers
108 views

How to move space from 1 file system to another?

I am currently using Virtualbox to run this server where my current disk space is: $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/ol-root 50G 44G ...
2
votes
1answer
86 views

How to ssh into ubuntu (set up in virtualbox) while turned off

I was wondering if it was possible to ssh into my ubuntu which is set up in oracle vm, while it is turned off. I am able to ssh into my ubuntu via putty when it is running, but when I turn it off I am ...
1
vote
0answers
545 views

Debian Jessie 8.2 aborts with an Application Error in VirtualBox

I recently installed Debian Jessie 8.2 using dvd-1 (that is debian-8.2.0-amd64-DVD-1.iso) on VirtualBox version 4.3.22 with gdm3 as the display manager and GNOME as the desktop environment. My host OS ...
0
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0answers
157 views

Does converting raw dd-image to VDI touch the filesystem?

I have a raw dd-image of a harddrive from a Mac, and I need to extract the files from it. The problem is that the filesystem (HFS+) is corrupt, and from what I've been able to google is that it's ...
-1
votes
2answers
350 views

Not able to ping and connect to internet from Kali Linux in Virtual Box

I know and admit that the same question has been asked multiple times in the same forum as well as in others. However, none of those seem to work for me. I would post a detailed analysis and the steps ...
-2
votes
1answer
842 views

How can I recover deleted files shared with a linux VM? [duplicate]

I accidentally deleted files from a folder I shared with a Linux VM via Viirtualbox.I'm in desperate need of those files. How can/do I recover these files successfully? Host: Win 8.1 Guest: Debian ...
1
vote
1answer
231 views

Startup issue--Debian 8.2 installed in VirtualBox

I'm a first-time Linux user, installing Linux in VirtualBox for programming of a Beaglebone Black. I have installed Debian 8.2 in VirtualBox and it boots OK, BUT I am able to get only the Activities ...
1
vote
2answers
1k views

Setting the root password for a Fedora 22 cloud image

I am having problem logging in into a Fedora 22 virtual machine, based on a cloud F22 image. Without touching the downloaded image I could boot just not login. I downloaded https://download....
1
vote
0answers
482 views

When installing virtualbox on 64-bit kali linux 2.0 host machine, do I NEED to install chroot environment?

I'm obviously still pretty new to Linux...have been doing a lot of reading/learning...I'm currently running Kali 2.0 in a dual boot configuration on my PC (with Win 7). For convenience, I wanted to ...
0
votes
0answers
192 views

virtualbox, how to enable host to access the Internet via the guest?

I have a notebook and installed Fedora 21 into it, then I installed virtualbox, then I installed Windows XP as a guest. From the Windows XP, I used the eth0 as the bridge to let the dialer(only ...
0
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0answers
179 views

How Can I achieve Mac Extented Keyboard layout under Kali linux

Under Kali Linux 4 (running in Virtualbox under OSX), I have to use the right alt key + tilde to get a | symbol. Also, the number pad only functions as arrow keys and a US Mac Extended Keyboard does ...
1
vote
1answer
3k views

Vagrant 1.7.*. is not supporting supporting virtualbox 5.x?

I have installed virtual box-5.0.2r102096. Previously I have virtual box 4.3.*. Vagrant version is Vagrant 1.7.2 but it was giving me following type error when I do vagrant up Failed to mount ...
0
votes
2answers
61 views

How to forward firefox graphics from remote to local system?

I have installed CentOS7 in virtualbox through vagrant. Both guest and host operating system is CentOS7. Guest operating system is minimum installation of centos7 with no graphics. On both system I ...
1
vote
1answer
300 views

Win 8.1 guest on VirtualBox 5 running on Wayland 1.8 freezes after login

I'm testing GNOME 3.16.3 wayland (1.8) session on ArchLinux 64bit. Everything seems to work fine so far except for VirtualBox 5.0.2. If I run windows 8.1 as guest, after entering the password on the ...
-2
votes
1answer
132 views

Use SSH on RedHat installed on Oracle Virtual box

I have installed Oracle Virtual Box and RedHat on it. Can I use SSH or PuTTy from my local PC (Windows 7) to access RedHat locally? If yes then what will I enter in field of Host name? And if no then ...
1
vote
1answer
2k views

How do I share a CUPS printer with a Windows VirtualBox guest?

I'm currently using Ubuntu but I have printing set up with CUPS. Is it possible to share a CUPS printer with a VirtualBox Windows guest? Or, namely Windows 2000.
2
votes
1answer
319 views

How to connect from one VM Guest instance to another to another VM Guest instance

I have Windows 7 as my Host OS and I have a VM guest instance of CentOs 6, now I have created a more Instance guest Centos 6 via Vagrant. All are working fine and I am able to do a ssh/ping from ...
2
votes
0answers
535 views

How to get the VPN icon in Kali 2.0 (gnome) as root?

I have trouble getting the VPN status icon into the top bar for Kali 2.0 (gnome). Installation I recently installed latest kali 2.0 (in a VirtualBox from kali-linux-2.0-amd64.iso). I checked the ...
-4
votes
1answer
119 views

kail linux won't boot [closed]

I'm trying to get kali linux running in my virtual machine everything looks like it installs correctly but instead of booting up kali linux after installation I'm getting this error message. I've ...
2
votes
2answers
342 views

unable to change screen resolution of tty

I am using Fedora 21 in Oracle Virtual Box. I am using just tty (no GUI). I need to increase screen resolution, I tried following things but failed: xrandr but gives me error: cannot open display I ...
1
vote
2answers
221 views

A stable/LTS Linux distro (Fedora,openSUSE,Ubuntu,Debian) with simple VirtualBox 5+ installation? [closed]

I have lost too much having Windows as a host OS, especially after upgrading to 10. My processor is AMD64 (specs), AMD Virtualization™ (AMD-V™) Technology with IOMMU Silicon feature-set ...
0
votes
0answers
76 views

Having trouble with devices and USB ports

I have been trying to play Xwing vs Tie fighter on Linux Ubuntu Mate in virtualbox with my playstation 3 controller. After a few attempts It worked but I rebooted and it stopped working. If I load ...
3
votes
4answers
3k views

How can I copy text from xterm (Awesome, Debian, VirtualBox)?

I ran the minimal Debian installation inside a VirtualBox instance, installed X11 and Awesome window manager manually (without any custom configuration yet) and installed VirtualBox additions as well (...
0
votes
2answers
278 views

Failed to load VMMR0.r0 (VERR_VMM_BUT_AC_CLEAR)

I get this error on my mac when I'm trying to boot up any virtual machine on virtual box on my new MacOS X Yosemite Failed to load VMMR0.r0 (VERR_VMM_BUT_AC_CLEAR) Result Code: NS_ERROR_FAILURE(...
0
votes
0answers
813 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 ...
-1
votes
1answer
153 views

How to get better error VirtualBox in ArchLinux

I'm using 64-bit ArchLinux host, Windows 10 guest. I've done installing the virtualbox, running dkms autoinstall, modprobing vboxdrv, and installing the guest OS (Windows 10 64-bit). But after I ...
0
votes
0answers
12 views

release modified debian distro as educational tool?

I intend to release a VirtualBox image of a modified Debian Jessie installation for educational purposes (stripped down version optimized for programming),which will be publicly available. However I ...