Questions tagged [virtualbox]

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

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How can I block communication between 2 interfaces?

I'm currently trying to develop a router application that applies/removes security wrappers to packets between two interfaces. The protocol is BACnet and it runs over UDP. The layout can be seen in ...
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An error was returned while trying to install the kernel into the target system

I tried reinstalling Oracle Virtual Box and Tried re downloading ISO again but it didnt fix this error. I am new to linux so i barely know about this error.
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Run sudo Exec in .desktop via pkexec: Qt Error

I have a configuration in virtualbox that requires me to run the application with sudo privileges. I have been editing the .desktop file to run with sudo (note a simply changing the Exec variable to ...
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1answer
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VBox Nat SSH still failing after forward (debian)

I have the following VBox... I check and ssh is running So I try to forward the request and then I to ssh from host... $node % ssh -v -p 40 me@127.0.1.1 OpenSSH_8.1p1, LibreSSL 2.7.3 debug1: ...
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Can you play games that run off of CDs with VirtualBox?

I have SimCoaster that I've been trying to find any way at all to play. With VirtualBox I have been able to actually get a loading screen to pop up like it's going into the game. However, the game ...
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How to fix “VirtualBox VM quit unexpectedly” when running my Ubuntu 20.04 LTS VM on MacOS Catalina 10.15 in VirtualBox?

I am running VirtualBox 6.1 on Catalina 10.15.6 and when I start my Ubuntu 20.04 LTS VM it says "VirtualBox VM quit unexpectedly". How can I fix this? The Apple report is below Path: ...
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airgeddon doesn't recognize installed dependencies

Good morning, I have a problem with my OS dependencies, I have kali linux installed in VirtualBox, The problem is that some tools do not recognize dependencies that I have installed, They give me the ...
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22 views

Setting up a Debian Firewall (with UFW) on a bridge connection (wi-fi) — Broken pipe ERROR

Good morning, I'm currently working on the creation of a web server. Here is my setup : MacbookPro running -> VirtualBox VirtualBox running -> Debian 10.04 (only command line) Docker with -> ...
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43 views

unable to install virtual box on fedora 32

i was watching this course on ethical hacking on udemy and started installing virtual box through the following steps. i installed free and non free rpm fusion repositories through command line ...
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Can not ping from Virtual box Redhat linux to my host computer

I have installed redhat Linux 8 on virtual box 6. But for some reason I can't ping from virtual box to host computer or vice versa. I have changed the network settings on virtual box but still not ...
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Applications scramble for graphic card GPU (i915) and jam others

My laptop has NVIDIA optimus. Default graphic card is VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller Kernel modules: i915 When I run Firefox, SMPlayer (MPV ...
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Why virtual box disc can't be shrinked, when I specify the correct directory of my vm image?

this is my virtual box installation dir. C:\Program Files\Oracle\VirtualBox and this one is where my image (linux.vdi) is located. C:\Users\hmkhitaryan\dev\vm\linux Now I want to add disc size to my ...
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“Hash Sum mismatch” error during Ubuntu Server 20.04.1 instalation

I'm trying to install Ubuntu Server 20.04.1 on Virtual Box. VM has 8GB of RAM and 4 Cores. It also has access to the internet. I have the newest installer image and I tried multiple configurations and ...
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13 views

manjaro VBox VM and ipv6

I have a manjaro 20.1 VM running in a Ubuntu 20.04 host. On the host, and on two other Ubuntu machines, and on a Ubuntu VM on one of those hosts the following returns a IPv6 address. It is supposed to ...
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Can't connect to DHCP server on CentOS

I am trying to get a FOG server working with CentOS (installed in VirtualBox). As part of its install it installs a DHCP server. At first I thought it was an issue with PXE boot, but I have tried ...
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VM with NGINX as SSH proxy for the other guest VM's

I have some Ubuntu Virtual Box VM guests on an OSX host. I want to SSH into these guests through the internet. I want to set up one VM with NGINX as SSH proxy for the other guest VM's. The other ...
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I get device not ready under wifi networks tab

i use an alfa awus036nh in a virtual box machine of kali linux 2020.3
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2answers
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sleep command delay grossly inaccurate (VM)

I need to use sleep in a shell script, so I tried it out in a terminal, but the delays it produces are inconsistent and very inaccurate. For example sleep 3 produces a delay close to 20 seconds. These ...
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36 views

Copy paste from Windows (host OS) to Linux Mint in VirtualBox

I'm using Windows 8.1 and I want to copy text from my Windows (host) to Linux Mint in Oracle VirtualBox but I can't. I already picked "Bidirectional" for "drag n drop" and "...
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Problem with masquerade and VirtualBox

My host is Fedora 32 with firewalld enabling with masquerade. It has only a wifi network adapter. I have a Debian Buster as a VirtualBox guest that has networking issues, for example, running apt-get ...
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54 views

Installing kali-linux installer amd64.iso on virtualbox

I have a course which requires installation of virtualbox and Debian 64 packages. I downloaded kali-linux-2020.3.iso. After starting the machine for installation it stopped with a message: Install the ...
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1answer
38 views

How can lsblk and fdisk show different sizes for the same partition?

I am running a virtualbox VM and I can see that the size of /dev/sda2 is being shown differently in the two outputs. Also, in the output of fdisk, /dev/sda2 and /dev/sda5 seem to be overlapping ~$ ...
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problem installing kail Linux on virtual box “an error was returned while trying to install the kernel into a target system”

so I have a problem with installing Kali I have tried asking this on Reddit, searching it on google and no solution was found so can anybody please help me. when I am installing the system it gets to ...
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2answers
138 views

Unmet dependencies while trying to install virtual box on Debian Buster

I'm trying to install virtual box in Debian 10.5 and I'm getting error messages about unmet dependencies. Tried numerous solutions however nothing has worked. Any thoughts would be greatly appreciated....
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Should i install Kali linux OS as a virtual in a vitual machine, use a live USB stick or should I Dual boot my PC [closed]

Recently, I have started performing penetration test lessons. My PC(HP PROBOOK) has a pre-installed windows 10 enterprise. A friend advised me to use Kali Linux. However, I need to run both OS in my ...
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25 views

Make virtualbox use usb wireless adapter. (As wlan, not a bridget adapter)

I can see wlan0 (which is usb adapter) but I cant use it. I've tried sudo ifconfig wlan0 up and not succeeded. I use usb 3.0 filter. Drivers are correct: root@kali:/home/kali# dmesg | grep firmware [ ...
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How can I fix the error 'Is the MGS running?' when I try to mount FSx for lustre in Vagrant ( Virtualbox, Centos 7 )

I am running openVPN gateway to an AWS VPC. I can normally mount AWS FSx for Lustre on my bare metal CENTOS7 machine using a command like this sudo mount -t lustre -o noatime,flock 10.1.1.90@tcp:/fsx /...
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16 views

How to stop snapshot of virtualbox halfway

I'm running a VirtualBox snapshot with the following execution command in the command line on CentOS 7, but a *.sav file won't stop growing. Is there a way to safely stop this? The VM is about 200GB, ...
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3answers
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“invalid signature” errors installing Arch linux on VirtualBox 6.1

I was trying to install Arch Linux, and everything was working so far. I downloaded the iso, created the profile on Virtualbox and booted the iso, successfully connected to the internet, updated the ...
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Setting static IP to virtual box VM is not working

0 I want to assign a static IP to ubuntu 18.04 VM in a virtualbox. I had bridged adopter for adapter 1 and i tried below steps to set static IP, In the virtual box Host Network Managementt setting, ...
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30 views

Cannot get “apt-get install” or “apt install” to work on Kali Linux VM

I recently downloaded one of the prebuilt Kali Linux VMs for VirtualBox (64 bit), and was trying to install the library python3-pip onto it. However, the commands "apt-get install python3-pip&...
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1answer
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VirtualBox - Centos

I am new to technology and am trying to learning linux administration with Linux Academy. I am following the Linux Essentials course and they are showing me how to install CentOS 8 on VirtualBox. I ...
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1answer
669 views

Failed to installed Kali Linux 2020.2 on VirtualBox 6.1

I tried installing Kali Linux with the exact instructions from this page. Most of the other guides have almost the same set of instructions when it comes to installing Kali on VirtualBox, but ...
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34 views

Guest VM not able to access internet and routerGW via br0 in Centos7 KVM environment

I have setup KVM environment over VirtualBox (nested Vt). The guest VM Ubuntu can ping VM host Centos7 and vise-versa but not able to access internet and not able to ping my InternetLANrouter gw (192....
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1answer
24 views

Access to Linux Host VirtualBox Shared Folder from Linux Guest with anyone user

I was reading multiple answer in order to access from guest to host on Linux, and I found two methods. But, they are not working for me. I using VirtualBox Version 6.1.12 r139181 (Qt5.12.5) $ uname -r ...
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29 views

Error building VirtualBox PCI pass-through kernel module

I am using Fedora 32 with Kernel 5.7.10-201. I have installed updates yesterday and now my VirtualBox stopped working. I have tried to remove and reinstall Virtualbox and it is failing when I try to ...
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1answer
257 views

Why I can't load signed VirtualBox kernel modules in Debian with SecureBoot enabled?

With Debian testing and SecureBoot enabled: I need to sign VirtualBox modules, as the output of the vboxconfig command says: vboxdrv.sh: Stopping VirtualBox services. vboxdrv.sh: Starting VirtualBox ...
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1answer
27 views

Disabling vbox services to decrease boot time

I did a systemd-analyze critical-chain at boot on my system, vanilla Arch running on i3wm. Now, I also have Virtualbox installed on my system. Therefore, the output from systemd-analyze critical-...
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1answer
76 views

Why is the virtualbox package in contrib and not in the main Debian repository?

The VirutalBox's website says that: VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high ...
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36 views

SCP from remote CentOS to Ubunto host

I am having real trouble establishing both SSH and SCP. I need to get some files off my guest machine onto host. I can ping my host vboxnet0 IP set up in VirtualBox. And vice versa. I have not yet ...
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1answer
78 views

Kali Linux - QTerminal visual issues [duplicate]

I just fresh installed Kali 2020.2 and I like their redesign and move to Xfce. However, I noticed fairly quickly that the terminal is causing me issues. I recorded my screen to show the problem, as it'...
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445 views

My Kali Linux screen goes black after I login after installing virtual box guest additions

I installed Kali Linux 2020.2 in virtual box 6.1.12. I was trying to open Kali Linux in full screen on virtual box so I gave following commands in chronological order with root access -- apt-get ...
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1answer
17 views

Why the currently running virtualbox vm is not shown as running?

Whilst I was running the following command to find out which process blocks my postgresql port: sudo netstat -tnlp I got the following record: tcp 0 0 0.0.0.0:5432 0.0.0.0:* ...
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25 views

dpkg file trigger interest

I am trying to install the latest VirtualBox over my existing installation (6.1.8). I have no problems doing this, but recently I got slapped with an error relating to dpkg. I downloaded it from the ...
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1answer
57 views

Wifi card not getting detected

I'm using Intel (R) Dual Band Wireless-AC 8260 on my laptop and installed Kali Linux 2020.2 on virtual box. My problem is when I run sudo airmon-ng it doesn't get detected, I get no output under PHY, ...
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1answer
31 views

Is Linux behavior in VirtualBox a more or less reliable indicator of physical installation behavior? [closed]

I'm a Linux newb, I started out with a dual-boot install of Ubuntu 18.04 on an old Macbook that natively runs OS X El Capitan. I've found Ubuntu rather frustrating, first it was lots of hang issues, ...
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Parrot OS virtualbox is connected to wifi but websites don't load

my Parrot OS says its connected to wifi but when I open firefox and try to enter websites like Facebook or Youtube it won't load them at all. I've tried sudo apt install wireless-tools and reinstall ...
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19 views

systemd service — wait for vbox mount of shared folder

On a VBox VM I have a service that monitors the ip status for changes. Joining a VPN for example. The working script requires access to a path on a VBox shared folder mounted at /mnt/host. This mount ...
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2answers
323 views

VitualBox Centos 8 install guest additions kernel headers not found

i know! i'm rolling my eyes even as i type this out. i !@$# hate running CentOS in VBox. it's a royal PITA to get these Guest Additions running at every version. this time, CentOS 8 and when i run ...
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16 views

How to make programs VM-aware in Arch Linux? [duplicate]

I'm running Manjaro on my main system with a Manjaro VM in Virtualbox (will probably set up for Arch in the future). Most of my configs and setup scripts are shared between the native and VM systems. ...

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