Questions tagged [virtualbox]

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

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Virtualbox linux guest is terribly slow

I noticed that my Virtualbox is extremely slow when installing any Linux guest. I have a Linux Mint 19.1 host with Virtualbox 6.0.8 on it. When running Windows guest works fine. But with Linux guest ...
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how to read PWM (pulse width modulation signals)

I am developing embedded Linux driver level program in Toradex Apalis Tk1 development board with IXORA career board, and with operating system is Embedded Linux. I need to know that how to read PWM ...
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Virtualbox has a Hyper-V backend. How do I enable nested virtualization using this backend?

Virtualbox has it's own nested virtualization - currently (version 6.0 2019) only for AMD based virtualization. However when Hyper-V is enabled, it can't use it's own virtualization, because Hyper-V ...
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Client program connects to virtual box without a server

I have set up a ubuntu virtual machine on virtual box and used port forwarding in NAT adapter. I have a client java program and when i power on the virtual machine and run the server program in the ...
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can IIS(windows server 2012) create non-localhost website in virtual box?

can IIS(windows server 2012) create non-localhost website in virtual box ? like www.practice.com with IP address 217.21.23.1 something like this ? if yes ,then how can i access the website from Host ...
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Monitor does not come out of sleep at power-up until I press reset button

I have just upgraded from Ubuntu 18.1 to Ubuntu 19.04. My PC configuration is: Motherboard: Gigabyte EP43T-USB3 Processor: Intel® Core™2 Quad CPU Q8400 @ 2.66GHz Graphics: Nvidia GeForce GT 730/PCIe/...
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17 views

Error 30 during Linux installation on Virtualbox

I've got some issue during installation of Linux on Virtualbox. I tried install a few different versions of distos (like Elementary, Mint) and repeadetly I getting error 30 read-only file system. Live ...
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Mouse can't focus on mac OS High Sierra 10.13 guest on Virtualbox

I installed mac OS High Sierra 10.13 guest on Windows 10 and every time I save snapshot or start from snapshot mouse can't focus on guest. Anyone knows how to fix it ? Thanks.
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How to derive a new vagrant box from an existing one with new MAC address?

I want to build a virtual machine (with some Linux distribution) with Virtualbox and then use the built virtual machine to somehow "derive" (for lack of a better term) other virtual machines from it ...
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DNF/YUM update script [on hold]

Working on a fresh installation of Fedora 30 in VirtualBox. I created a simple dnf update shell script, but is always refused, responding with the following errors: . Please use /usr/bin/dnf --help )'...
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Setting static IP for Windows XP in VirtualBox for virtual network [on hold]

I am trying to set up a static IP address on my virtual Windows XP. I have set up both Windows XP and Kali Linux machines as bridged connections. When I type ipconfig in Windows XP shell, I see the ...
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Memory limit on multiple VMs in VirtualBox

I have a Windows 10 host with 32 GB RAM. There are 4 VMs running on it with the following assigned memory sizes 4096 MB 8192 MB 512 MB 12288 MB That makes 4 + 8 + 0.5 + 12 = 24.5 GB assigned to VMs ...
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How to expand Virtual Box VM Storage

I have read through a few Superuser questions and on google and used every way I can think of after looking through the documents on how to expand my virtual box storage. I am running Windows 10, AMD ...
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Mouse Is Very Laggy On Windows Server 2016 Very Slow on Virtualbox 6.0.8

I recently built a computer in order to run multiple VM'S at the same time. My computer specs: Ryzen 7 2700X 16GB DDR4 (3000 MHz) AORUS GAMING 5 WI-FI 500GB WD M.2 SSD 4TB WD HDD An issue I'm ...
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51 views

Error Installing Guest Additions in Virtual Machine

I have a problem installing guest additions in my VM using VBox ver4.3.40 ubuntu. As you can see in the screenshot. I am getting an error linux/compiler.h No such file or directory I can't find the ...
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41 views

Ubuntu SCP/SFTP transfer speed very slow

I have a virtual machine on Ubuntu 18.04 LTS running in Virtua lbox 6.0.4, and i want to upload files via SCP or SFTP to a remote host. the virtual machine is connected via NAT-Network. Everything is ...
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I created a VM and installed Linux on it, but it shows a blank terminal

I installed VirtualBox with Windows 10 Home (64-bit). Then I created a VM and tried to choose Ubuntu 18.04.2 LTS Desktop as the start-up disk, but it just shows a dark purple background with a ...
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Make IE11 calls from a VirtualBox VM look like a LOCALHOST call in the host on Linux

I've looked at this SO question and downloaded the VM for IE11 and VirtualBox. On the host, I call https://localhost:8081 to load the webpage from my local webpack dev server. Inside the VM, I tried ...
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Terminal management tool for VMs -TUI [closed]

I want a tool (terminal based) that will list all the VMs, mark the running once, write how much time the VM is up, when was the last connection to it (via ssh). And also give me an easy option to ...
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46 views

Download ISO file for Installing the LATEST version of Windows 10 into VirtualBox - and also download the upgrade?

First some background... I installed the upgraded (May 2019) version of Windows 10 to a Dell computer. I used Microsoft's MediaCreationTool1903.exe for that, which I already had. Then I installed ...
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What Linux kernel modules to load to detect IDE and SATA cdrom drives?

So I am creating my own copy of Linux initramfs (For learning purposes). Everything seems to be working great. I, correctly, installed shared libraries and I can run some binaries from within the ...
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How to attach Wifi Adapter to Virtual Machine kali linux

I have already installed latest VM extension pack version 6.0.8. I also configured VirtualBox to use USB controllers and checked the USB 2.0 box.
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error while installing virtualbox on kali linux

I know some people have already asked this question but I couldn't find solution to my problem anywhere so here I go... I was installing virtual box on kali linux and after a complete installation I ...
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1answer
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Can I install GCC 4.4.4 on Fedora 29 or downgrade my Fedora version?

I have a piece of code that is currently compiling on Fedora 13 (I have it on a VM). I created a new VM using Fedora 29. The issue is that F29 has GCC v8.1 whereas the F13 has GCC v4.4.4 because of ...
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VirtualBox vbox.log location in Linux?

According to this blog from Oracle: On Unix-like systems (Linux, Solaris), this is "$HOME/.VirtualBox/Machines/<vm name>/Logs" However, there is no .VirtualBox inside my $HOME directory. user@...
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Guest keyboard shortcuts not working on VirtualBox

I'm running an Ubuntu guest on VirtualBox (hosted on a Linux distribution), and both the host and the guest system are running Gnome. The problem is that when the guest OS is focused, or in fullscreen ...
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Can't run pycharm-community-2019.1.3 on my 64-bit Kali Linux virtual machine, class isn't found

When I go to run pycharm-community-2019.1.3, the class isn't found and it throws this error: # ./pycharm.sh OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9....
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20 views

How to auto uncapture mouse icon from being locked in the VM?

While I can use my VM's "host key" to manually uncapture the mouse, I'm pretty sure until a few hours ago I was able to automatically uncapture by simply clicking anywhere outside the VM's window. As ...
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25 views

systemd user script fails on CentOS7 with: “Failed to get D-Bus connection: No such file or directory”

Problem I'm trying to create a CentOS7 systemd user script - to keep-alive several VirtualBox VMs. However, when I try to manually test it, I get[1]: $ systemctl --user start virtualbox.service ...
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24 views

Windows 10 Upgrade causes Oracle VM error - VT-x is not available

My ThinkPad went through a Windows 10 upgrade and since then my Oracle Virtual Machines are completely down. I get "VT-x is not available (VERR_VMX_NO_VMX)." error. OVM Version 5.2.30 Things that I ...
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Why does Virtual Box delete/hide my .vdi files?

I tried to to download and set up a virtual machine in virtual box with the Python Kivy vdi for creating kivy android apps with buildozer. My problem is that the default disk space on the vdi isn't ...
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Setting up VirtualBox on Ubuntu 18.04

I just recently reformatted my hard drive to multiboot 3 different linux distros. I installed Kali first, and used the installer to create logical volumes where I later installed CentOS and Ubuntu. ...
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Creating a separate virtual interface for a VLAN

I have Server 2019 and I CANNOT use Hyper-V due to SLAT issues (don't judge my budget). I have a teamed interface from the switch with an untagged network and a VLAN. I have some VirtualBox VMs that I ...
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Windows 10 computer failed hard after changing VT-x and Intel Virtualization Technology for VM use

For reference, my system is: i7-4790k ASUS ROG Maximus VII Formula 32GB RAM ASUS ROG GTX 980 So I installed Oracle VM with the intent of installing Linux on a Virtual Machine to learn. To install ...
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Firefox is slow to resolve localhost domains on MacOS, Chrome is not

I am developing a website on localhost with the following entry in my hosts file: 192.168.10.10 mysite.local That IP is coming from a Vagrant provisioned VM hosted in Virtualbox. Whenever I try ...
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How would I go about synchronizing the applications, settings, and updates of multiple machines? [on hold]

I'm working on multiple machines (specifically two towers and one laptop) mainly under windows, but also linux and macos and am tired of keeping program installs, updates, settings, etc. in sync. My ...
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Virtualbox not listing all available snapshots

I recently purchase a new Laptop running Windows 10 pro. I am trying to move my old virtual machines to new Laptop. I have installed virtual box on the new Laptop. Steps: I copied the virtual ...
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Kali Linux error after update

This afternoon Kali Linux showed me a notification staying that new updates were available. I downloaded the update and afterwards virtual box displayed a message stating that it need to be restarted ...
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Simulate a connection between two guest VM nic cards

There are network devices that can be put in path of a network, capture a network activity on the IN nic card and forward the packets to the OUT nic card let's assume "without altering it". Do you ...
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Configuring networking in Oracle VirtualBox

I am creating a lab to test the Kubernetes. My guest OS is Windows 10 and using VirtualBox 6 to create the lab. I have created three Ubuntu 16.04 VMs to install Kubernetes master and workers. I need ...
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Vagrant Up Exit Code 1

So I am doing this Udacity course and I need to set up a virtual machine. I forked this repo:https://github.com/udacity/fullstack-nanodegree-vm And then I changed to the vagrant directory and wrote ...
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29 views

Set up a guest machine in VirtualBox to use a given static IP address

My company recently assigned some static IPs to everyone and required everyone to use it to access internal network. On top of the static IP, the internal network must be accessed through a software ...
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VirtualBox Internal network is not being able to access Internet

First of all, my knowledge in networking is very limited. I need to setup an Internal Network in VirtualBox along with Internet access so that I can test my Distributed Application. I have followed ...
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Android Studio “your cpu does not support vt-x or svm” After updating to windows 10 1903

2 weeks ago I updated to windows 10 1903 before that I was able to set up an emulator in Android Studio, after the update I get the error "your cpu does not support vt-x or svm". After looking it up I ...
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Virtualbox: Raw linux partition not booting in Ubuntu

I am using Ubuntu 18.04 and I wanted to boot from usb. The command I used to create the .vmdk is: vboxmanage internalcommands createrawvmdk -filename /root/VirtualBox\ VMs/USB_VM2.vmdk -rawdisk /dev/...
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How to create VFAT formatted 256MB disk image that can be used in Virtualbox?

Trying to replicate a predefined process used for Linux OS installation on bare-metal servers, to VMs (on Oracle Virtualbox). The process of Linux OS installation uses the OS distribution (RHEL 7) ...
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Remote connection to VM guest, impossible to see the host?

If I accept a remote control session from the guest OS running on a VM, is there any possibility for the user at the other end to see whats going on in the host OS, visually? I guess not, but just ...
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VirtualBox Disk Encryption vs. Ubuntu VM Disk Encryption

I am creating a VirtualBox VM that runs Ubuntu and I would like to have the virtual disk encrypted. Are there performance and/or security advantages to using the VirtualBox Disk Encryption over ...
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Unable to ssh into Centos VM (CentOS minimal ISO in virtualbox)

I have installed Centos minimal ISO on virtualbox. I modified hosts.allow to allow ssh incoming connection. There is no firewall blocking ssh connections. I am able to ssh into the VM from the host ...
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Bridge adapter not connecting to Internet in VirtualBox

I'm running Kali 2019.1 on VirtualBox 6.0.8 and my host is Windows 10. I'm setting my network connection on bridged: There is no connection to the Internet but it shows that is connected to Internet:...