Questions tagged [virtualbox]

VirtualBox is a free, open source virtualization program from Oracle for the x86/x86_64 architectures.

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Configuring private network ip with Vagrantfile causes terminal to output a cryptic error when running vagrant up

Vagrant.configure("2") do |config| # The most common configuration options are documented and commented below. # For a complete reference, please see the online documentation at # ...
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Cannot copy large VirtualBox image from local NTFS disk

I have a large (15.7 Gigabyte) VM image that I want to backup from my laptop. It resides on a NTFS partition (windows 7; 64bit). When I'm trying to copy the file using the "Windows Explorer",...
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VT-x is not available (VERR_VMX_NO_VMX) on Linux Server

Error when I try to start VirtualBox on Linux Server: VT-x is not available (VERR_VMX_NO_VMX) Result Code: E_FAIL (0x80004005) Component: ConsoleWrap Interface: IConsole {872da645-4a9b-1727-bee2-...
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How can I get ubuntu 22.04 to fit window size in OTABox

I installed an Ubuntu 22.04 VM in VirtualBox 6.1.34 on a windows 11 OS and everything is working correctly, but I am unable to get it to fit the screen. I have tried: Installing VBox Guest Additions: ...
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Network Drive / Samba setting between Windows 11 and Ubuntu 20.04

I installed Virtual Box and installed Ubuntu 20.04 in it. And configured Samba in Ubuntu 20.04 and trying to map a directory in Ubuntu to network drive in Windows 11. I added a section like below to ...
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vCenter Installation stuck at 56%

I installed vCenter on Virtualbox by importing the vmdk files. But afterI start the vCenter VM and go the UI, I see that its stuck at 56% and not progressing at all. I've ensured that DNS is working ...
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VirtualBox Ubuntu screen not achieving 1920x1080 while window achieves 1920x1080

This is an instance of a newly-installed Ubuntu on VirtualBox. The window resized successfully. The desktop background did not follow suit. An image of the situation is below. Any ideas for a fix? ...
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How to communicate through laptop Ethernet port through Virtual Box Ubuntu in Windows 10

I want to send out ping requests through the ethernet port of my laptop to my device attached to it with a LAN cable. But I want to do it from a virtual box Ubuntu running on my windows 10. Is that ...
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Every time need View->Virtutal Screen x -> Enable [duplicate]

Given: Host machine: Windows 10 Guest machine: Linux Mint 20 (Virtual box 6.1) Pluggin 3 monitors to my host machine. For my guest virtual machine I have the settings: VM -> Display -> Monitor ...
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Qemu - Cannot connect to Guest ESXi

I'm running Qemu on Windows and I can't connect to the ESXi guest and can't ping the host network gateway from the ESXi guest. I disabled all other network interface on Host machine except the ...
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Overflow from serial port in Wine/Virtualbox?

I'm trying to read the data saved on a minimax B4 sensor connected to my Ubuntu 20.04 machine using a serial port via USB (mounted as /dev/ttyACM0). The program reading the data is an old Windows one ...
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Virtualbox Host only network stops working after a while in Corporate network

We have a Win10 host running Virtualbox. We use a linux guest to run docker (docker Machine). The docker containers run a webapplication. The webapplication is used only from the LAN of the host ...
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Zabbix Server Setup Inquiry

I hope I’m posting in the right place. So, I have a question, I’m trying to set up a simple network monitor (Zabbix) in VirtualBox to monitor the host machine. I have everything set up, but the Zabbix ...
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linux on virtual machine, on windows, cant detect wireless extensions when using iwconfig

Im using a virtual machine running on windows. The virtual machine is using linux ubuntu. I am connected to my windows internet on the virtual machine but when I run iwconfig the only thing that shows ...
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I can not run any Windows 11 VM on my Windows 11

I have AMD 3800x with SVM enabled and I tried to run Win 11 VM using VMWare and Virtual Box without any success. VMWare display error Virtualized AMD-V/RVI is not supported on this platform. Continue ...
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Cant ping neither the gateway nor the internet if not already pinged with the gateway

Im quite new to networking, i tried to look for the response to my problem but i didnt find it. I have 4 vm's, that we will call 1,2,3,4. The first ( the gateway) one have a host-only and bridge ...
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Can't find the IP address which should in NAT CIDR

I use virtualbox created a centos7 vm, and there is a nat network adapter with dhcp mode. after I started the vm, it get the IP 10.0.2.15/24, and it can access Internet via gateway 10.0.2.2, but ...
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Export Virtual machine from VM box to physical disk as operating system

I have an virtual machine in VM VirtualBox and i would like to export it to an disk/flash disk as complete function operating system, so if i would start the pc with disk connected, it will boot to ...
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I am not able to connect to the headless "Ubuntu" remote virtual machine (virtual box)

I cannot connect to the headless "Ubuntu" remote virtual machine which I created using virtual box. I've installed the virtual machine and configured it on my oracle linux server using ssh ...
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Recovery of oracle VM to previous date

I have mistakenly restore the vm virtualbox to previous snapshot, by this my vm is restored to newly installed point and my all working is lost. Is there any way to recover from this situation and ...
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Change vboxnet0 interface MTU on MacOS guest

When I try to change the MTU of the host only adapter interface created by VirtualBox on MacOS, I get the following error: % sudo ifconfig vboxnet0 mtu 3000 ifconfig: ioctl (set mtu): Operation not ...
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Virtualbox has no more network access when Cloudflare Warp VPN 2022.5.226.0 is active

I have been using the Cloudflare Warp VPN (also known as 1.1.1.1) on Windows 10 Pro and Home for years. On these Windows machines (all fully updated), I have VirtualBox (6.1.34) installed, and run ...
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Is a VMDK disk made with VMWare usable directly with VirtualBox?

A .vmdk dynamic disk of 250 GB has been created in VMWare, and an OS is installed on it. Only 20 GB are actually used. I finally want to use this with VirtualBox, but when using "Export to OVF&...
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Unable to find the ISO File of Centos 7

Downloaded the CentOS7 from this official source: http://isoredirect.centos.org/centos/7/isos/x86_64/ But Unable to find the iso file on setting up the VHD in Oracle Virtual Box. enter image ...
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Lock down Virtual Box

We have pc-labs for students in our Windows AD environment with virtualbox installed and couple of virtual machines. Our goal is to provide shrotcuts for a prebuilt predefined virtual machines, and ...
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Virtualbox CPU limit lower than actual number of CPUs available on system

Problem I am trying to set up a virtual insatnce of ubuntu on my windows PC. I want to allocate 14/16 CPUs to the virtual machine. However I get the following error message in Virtualbox: It warns me ...
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VirtualBox suddenly became slow

Until a few weeks ago, VirtualBox was working fine without any kind of issues. But recently it became too slow. Earlier, Windows 10 used to be installed in 10 to 20 minutes. Now it takes almost 10 ...
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Virtualbox host only adapter interface doesn't get an IP - Oracle linux 8

I have configured 2 VM with Oracle Linux 8 on VirtualBox. Each VM: Adapter 1 - NAT , each has connectivity to the internet Adapter 2 - Host Only Adapter , Which doesn't shows a IP address! Each ...
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Use a .img image as a read-only disk or Optical drive in VirtualBox

I have read How to create a virtual machine from a .img disk image? but here the goal is slightly different. With a VirtualBox machine, I know how to: add a .vdi disk mount a .iso as a (read-only) ...
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Cannot access VirtualBox remotely from Mac OS to Linux server via VRDP

I installed a VirtualBox 5.2.30r130521 on a Linux Oracle server and I want to install ubuntu-20.04.4-live-server on the virtual machine. I have already configured everything, it remains only to ...
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From VirtualBox VM (.vdi file) to a USB bootable ISO image

I have set up a virtual machine with Xubuntu Linux in VirtualBox. The disk is 4.5 GB a .vdi file. How can I make an IMG or ISO file from this, such that I can then write it into a bootable USB flash ...
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Kali Linux getting stuck on

I've been trying for 2 days now, and Kali keeps giving me this while installing in VirtualBox. I've checked that my virtualisation is turned on and I've tried with 3 different Kali images, 2022.1, ...
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Network address setup in VirtualBox when moving between a work environment with a “192.168.x.x” range and home where I use a “192.168.1.x” range?

At work we use RedHat Enterprise Linux 8. At work, the network is set to use 192.168.x.x addresses. And so our VirtualBox VM images are set to use this range of addresses. I brought my laptop at home ...
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Git credentials in a shared virtual machine

A friend and I want to use a (Ubuntu) VM to develop code. The main app is Visual Studio Code. The idea of the VM is that it can guarantee that we both have the same versions of the same VS Code ...
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Can't create new ubuntu machine in virtualbox

For some reason, I suddenly can not create a new Ubuntu machine in VirtualBox. It just gets stuck at this step during OS installation: This has never occurred before, not to mention the fact that I ...
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Unable to boot MacOS Catalina after removing and re-adding VDI

I was successfully running Virtualbox MacOS Catalina guest. But I needed more space on the volume to upgrade to Big Sur. So I attempted to expand the size of the system volume (which may have been my ...
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Vagrant Wazuh can't open dashboard

I installed wazuh on Vagrant. But I can't reach my host machine. I changed some configuration and checkup. Firewall Disabled on Virtual Machine default: 443 (guest) => 8001 (host) (adapter 1) [...
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Extending display to second monitor on Ubuntu VM hosted on Windows machine

I am trying to use the latest version of Ubuntu LTS through VirtualBox on my Windows machine. Also, I'd like to extend the Ubuntu desktop to a dual monitor. I changed the Monitor Count to 2 in Oracle ...
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Having VMs running on a host identified as seperate machines (UBUNTU)

I currently run several virtual machines ( with virtual box) on an ubuntu system. My goal is to configure a network so as it looks like the internet communication doesn't come from the same one and ...
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What are the technical reasons why Virtual Box is limited to only use 256MB of video memory?

I saw, that Virtual Box can only use 256MB of graphics memory. Changing it in the settings file to be higher then the draggy-thing permits, always resulted in a crash (which is probably why they ...
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How do I access a computer connected to the VM host via ethernet cable from a virtualbox VM?

So I want to be able to ping Host2 from inside the Virtual Machine. Right now, I can ping Host2 from the host, but Host2 does not respond when pinged from within the virtual machine. I have virtualbox ...
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Which mode is used if we don't choose "Bridged networking" or "Host-only networking"?

I have already read What is the difference between NAT / Bridged / Host-Only networking? for VMWare, but here I'm interested in some details for VirtualBox, see note below for why it is different. ...
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How can I use a bridged adapter in VirtualBox

In my VirtualBox VM's settings, I've elected to use a Bridged Adapter. When I run the VM, I expect to see this bridge show up as hardware, but I don't. How am I supposed to use this bridge? (What I ...
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Drag&drop form host to guest does not work on virtualBox

I have a w10-64bits machine and I have also a w8-64bits guest machine on virtual box. Even if I have checked the bidirectional option for drag&drop I cannot move any file from host-to-guest. When ...
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Virtual Box Hangs with no reason in sight

For a long time, I had no problem with my virtual machines but for the last few months they're constantly creating problems which I can't find any answers to. I get the "CPU Stuck for X seconds&...
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Limited internet in Mac OS VM

I'm running macOS 10.13 High Sierra (64-bit) on VirtualBox on a Windows machine. Problem: Accessing sites such as Google, Youtube, Github, Facebook, etc. all seem to work mostly fine. However, I can't ...
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virtualbox guest addition makes the screen smaller and unresizable

My host is a brand new Ubuntu 22.04, my guest a windows 10, virtualbox is 6.1.32, installed with a simple apt install virtualbox Without Virtulbox guest addition and with this command : VBoxManage ...
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Ubuntu guest halts during boot

I had a ubuntu guest (ubuntu-20.04.3) on windows 10 host with VirtualBox 6.1.26. I used it well for some time but after a few months I couldn't start ubuntu. It stucks with black screen during the ...
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Using multiple RPA solutions on different virtual machines

I would like to know whether it is possible to start multiple virtual machines such as sandboxie-Plus or Hyper V by Windows and run RPA solution such as UiPath to execute similar jobs, e.g. open ...
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date reverts to current date after changing it

I have a VirtualBox VM running an x86_64 Ubuntu 22.04. Whenever i try changing the date to a previous date (in my case 5 days ago), the date always reverts back to the current date a few seconds later....
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