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Questions tagged [virtualbox]

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

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Mac OS VM in VirtualBox booting into uefi shell prompt

My Mac OS virtual machine is booting into Uefi prompt and I can't find the directory fs0. It only shows blk 0, blk2 etc. the boot.efi file is located in fs0. I have efi enabled. I tried with both ...
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Cannot install Virtual Box on Mac

I don't have much experience with Mac's and am having trouble getting Virtual Box installed. I have a MacBook Pro (Late 2011) running macOS High Sierra 10.13.6 and am trying to install Virtual Box 5....
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Virtualbox stopped working PXE-E51, No DHCP or Proxy DHCP

The virtualbox suddenly keeps losing connectivity. Error message: Client Mac Addr.... PXE-E51, No DHCP or Proxy DHCP. PXE-MOF: Existing Intel PXE ROM. Fatal: Could not read from boot medium. I use ...
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Capturing a screenshot of ubuntu system running on a virtualbox

I'm running virtualbox on my Windows 10 to use Ubuntu. Now, I want to take a screenshot of a data inside the virtualbox. I know how to take a screenshot in virtualbox but I don't know where to find ...
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27 views

VirtualBox GuestAdditions 5.2.18 installation failure in RHEL7.5

I'm hitting the following issue when trying to install VirtualBox GuestAdditions 5.2.18 on my RHEL7.5 guest image (my host machine is on Windows 10): Copying additional modules ... Installing ...
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42 views

What is the purpose of snapshots in virtualisation software?

I've recently started using virtualisation software more often, specifically VirtualBox, and the idea of snapshots confuses me. I understand that they give the user the ability to revert a VM to a ...
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Copy/ paste does not work on Oractle Virtual Box & devices not shown

I am learning to program C on Linux using a Virtual Machine running Linux that is running on my Windows Machine. I have already written some C files in Windows and would like to compile them in Linux. ...
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Windows 10 VM on VBox fails to load after copying files to a new hard drive

I just recently upgraded my latop's hard drive and am trying to restore everything from my back ups. I copied my Virtual Machines folder from the old hard drive onto the new one and tried to restore ...
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VirtualBox NTP service not working with bridged network but working with NAT

I am using Ubuntu 16.04 with VirtualBox. I have got the following problem and hope someone can help me. Problem: When I use bridged network, I cannot connect to NTP servers. All refids of servers ...
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2answers
788 views

How to restart guest OS without starting from the beginning?

I installed VirtualBox again and I want to restart the Guest OS Windows 10. But as I recall, when I reboot the Guest OS, it starts again from the beginning, like I have do do the installation again ...
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1answer
31 views

AHK Virtual Machine GetPixelColor

I made a script on my computer and inside of it I uses the GetPixelColor function. After I made sure the script was working well, I transported the script to my VM and realized that the colors differ.....
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Restore EaseUS Todo Backup PBD to VirtualBox

I'm hoping someone can offer some assistance - I'm trying to restore a PBD backup file (containing a full OS and system backup - made using EaseUS Todo Backup) to a blank/new VirtualBox VM, and can't ...
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36 views

In Windows 7, Oracle VM VirutalBox giving a conflicted WORKGROUP?

I am running Windows 7 on a Dell PC. My PC network is set to Work and under the Work profile it has: Network Discovery - On File and printer sharing - On Public folder sharing - Off Media streaming -...
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7 views

x11 forwarding from VM hosted in a server

My setup is a little complex: I have my local machine(windows), from which I access my institutions server over SSH. From there, I can access my personal server(Ubuntu 16) over ssh. This personal ...
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1answer
46 views

No sound in Windows 7 Virtualbox VM running on Linux Host

When I install one of the 90-day Windows 7 trial VMs for Virtualbox on an Ubuntu 16.04 host, everything works fine except sound. The Device Manager shows an unknown audio device, but can't find any ...

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