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

learn more… | top users | synonyms

1
vote
0answers
47 views

How can I view my Hard drive's content with a different user other than root. I keep getting permission denied

I can view the content of my hard drive mounted onto virtual box where i'm running oracle Linux using the root user, but i can't view it with other users. It appears the other users I'm using belong ...
0
votes
0answers
17 views

How to run newly built Linux kernel in VirtualBox? [duplicate]

I found this question previously asked, but the reply doesn't satisfy me. I have just build Linux kernel which is inside: /arch/x86_64/boot/bzImage Now, how do I install it in VirtualBox or copy that ...
0
votes
0answers
105 views

problems connecting to phpvirtualbox

the problem occurs after installing guest additions. this is my error message: phpVirtualBox Exception Object ( [message:protected] => Could not connect to host (http://127.0.0.1:18083/) ...
0
votes
0answers
70 views

Shared folders VirtualBox

I need to access to a folder which is in my host machine. I create a folder in my HM called w_code. In virtual box settings I selected that folder, and marked auto-mount option. Host machine: ...
2
votes
1answer
69 views

I have installed CentOS 7 on Virtual Box, but network settings are missing

I have installed CentOS on Virtual Box. I had CentOS-7-x86_64-DVD-1503-01 downloaded it from a torrent. I ran the following command; nmcli d Which tells that only loopback is there. I enabled ...
0
votes
1answer
826 views

Autostart Virtual Machine VBoxHeadless at boot with Upstart - init and Graceful exit

So I have another computer running 24/7 and I forget to turn it back on when I restart. I also want it to gracefully save when I reboot so in the event I kick somebody off their work is not lost! I ...
0
votes
1answer
71 views

keyboard works incorrectly for virtualbox ubuntu 15.04 guest in debian jessie host

When typing in gnome-terminal in ubuntu guest cursor for displayed text periodically shifts left and after 1 second shift back to right showing inputted characters. When pressing tab console first ...
1
vote
0answers
145 views

Purge PHPVirtualbox to start over - has persistent settings/files somewhere

So I am diagnosing an error in PhpVirtualBox related to the console. My Vbox starts and gets to login screen then when I try to console in I get Disconnect reason: E: TCP: SECURITY_ERROR Error #2048 ...
0
votes
2answers
374 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
109 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
2k 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
votes
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
786 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
161 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
votes
0answers
363 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
2k 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
56 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 ...
0
votes
2answers
456 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 ...
-1
votes
2answers
871 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
206 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
78 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
94 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
72 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
5k 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 ...
1
vote
1answer
276 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
147 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
votes
2answers
50 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
844 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 ...
1
vote
0answers
38 views

How to connect to a Headless Running VM

I started a VM using the Headless option. This has always worked fine. Then the system comes up I'm able to connect to it via rdp with no problems. At present it's stuck on the startup where it's ...
1
vote
0answers
100 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
75 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
537 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
votes
0answers
143 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
1answer
297 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
715 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
230 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 ...
0
votes
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 ...
1
vote
0answers
445 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
178 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
votes
0answers
146 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
53 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
266 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
111 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
1k 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
274 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
497 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 ...
-5
votes
1answer
110 views

please help…ive waste a lot of time and im freaking out [closed]

im 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 im getting this error message. ive tried ...