408
votes
Accepted
How do I exit an SSH connection?
How do I exit an SSH connection?
Two ways:
closing the shell session will usually exit, for example:
with the shell builtin command, exit, followed by Enter, or
Ctrl-d, (end-of-file)
in the case ...
- 4,238
340
votes
Accepted
Why does virtualbox only have 32-bit option, no 64-bit option on Windows 7?
Take a look: http://www.fixedbyvonnie.com/2014/11/virtualbox-showing-32-bit-guest-versions-64-bit-host-os/
If VirtualBox is only showing 32-bit versions in the Version list make sure:
You have an ...
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250
votes
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No USB devices available in VirtualBox
Please add your user name to the vboxusers group with this command:
sudo adduser $USER vboxusers
After that you must logout and login. (For Ubuntu 20.04, a reboot is required)
Please check this for ...
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209
votes
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What are differences between VBoxVGA, VMSVGA and VBoxSVGA in VirtualBox?
Based on what I've found in the source code:
VBoxVGA
This emulates a graphics adapter specific to VirtualBox, the same as in previous versions (<6.0.0).
This is the default for images created ...
162
votes
How can I install Linux and Windows 7 to run side by side, not requiring reboot?
There are two additional ways of running Windows and Linux side by side that you haven't mentioned in your question:
You could install Windows Subsystem for Linux if you are running 64-bit Windows 10....
- 4,959
138
votes
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How to select paravirtualization interface in VirtualBox?
The VirtualBox Manual, in the section titled Paravirtualization providers explains very clearly when each should be used (emphasis added):
Minimal: Announces the presence of a virtualized ...
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138
votes
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Why can't VirtualBox or VMware run with Hyper-V enabled on Windows 10
VirtualBox and VMware Workstation (and VMware Player) are "level 2 hypervisors." Hyper-V and VMware ESXi are "level 1 hypervisors."
The main difference is that a level 2 hypervisor is an application ...
- 1,550
112
votes
Why doesn't clipboard sharing work with Ubuntu 18.04 LTS inside VirtualBox 5.1.26?
The problem is with the virtualbox-guest-x11 package missing.
Execute the below commands:
sudo apt-get update
sudo apt-get install virtualbox-guest-x11
If it asks you about keeping a file or ...
- 1,221
106
votes
I hid the menu bar in VirtualBox, how to show it again?
You can access the menu while the VM is running by Right Control + Home (by default). It will pop up as a contextual menu through which you will be able to reactivate the display of the menu.
- 1,061
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votes
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CentOS 7 VirtualBox no internet access
As Gasim said:
Add the following to /etc/sysconfig/network-scripts/ifcfg-enp0s3
DNS1=8.8.8.8
DNS2=8.8.4.4
# Note this was set to no
ONBOOT=yes
then reboot the machine.
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votes
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I hid the menu bar in VirtualBox, how to show it again?
Open virtual machine's settings, then User Interface page. Check this box:
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91
votes
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Now to connect to a VirtualBox guest OS through a VPN?
I had the exact same problem, and saw it through to resolution, so I'm happy to explain the problem and solution in detail.
Without Involving a VPN
It is important to understand the configuration ...
- 1,218
71
votes
What's the recommended way to move a VirtualBox VM to another computer?
Method 2 works well now (with VirtualBox 4.0 and higher), without any XML modification required:
Stop your Virtual Machine
Exit VirtualBox
Copy the VM folder to the new location
Restart VirtualBox, ...
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68
votes
VirtualBox Windows XP has no local network
Windows XP doesn't have drivers for the Intel PRO/1000 card. Try selecting the PCNet FAST III network card instead. You can set it in the VM settings.
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66
votes
How to sign a kernel module Ubuntu 18.04
In order to get VirtualBox working without simply disabling UEFI Secure Boot, then you'll need to do the following:
Create a personal public/private RSA key pair to sign the kernel modules. As ...
- 761
63
votes
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VirtualBox - Android x86 - Don't boot in GUI but just in command line
Settings -> Display -> graphic controller set to -> VBoxVGA. Turn off Enable 3D Acceleration. This worked for me in my VM.
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61
votes
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How to change the RAM allocated to an OS in VirtualBox?
Pretty easy to do.
Power down the VM (the guest has to be off, not just not running but with a saved state).
Discard 'Saved State'
Open the VM's settings.
Open the System tab.
Change the "Base memory"...
- 1,461
58
votes
Can a hypervisor like VirtualBox be used to launch a virtualized OS which is also directly bootable?
It's possible, yes, and it doesn't necessarily have to be slower, since these days it's not emulation anymore, it's virtualization – most CPUs support hardware-assisted virtualization (VT-x and such), ...
- 400k
57
votes
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Use NVidia GPU from VirtualBox?
I realize a few years have passed but wanted to answer since this post shows up pretty high when you google for "virtualbox 3d multiple GPU". In the time that has passed, things have gotten a lot ...
- 706
57
votes
Stuck on UEFI interactive shell with Mac OS X High Sierra VM
UEFI requires intervention because EFI firmware on the Mac's motherboard cant find valid OS-specific EFI boot firmware in the standard location on disk. However, assuming you have a macOS recovery ...
- 851
56
votes
Accepted
Is VirtualBox not totally sandboxed?
The VM cannot be totally isolated, since it has no hardware of its own.
It's using the hardware resources of the host, such as the disk, CPU, GPU
and the network adapter.
All of this hardware is used ...
- 430k
53
votes
How can I install Linux and Windows 7 to run side by side, not requiring reboot?
I believe that the solution with the least overhead would be using Linux as your primary OS and using KVM (kernel-based virtual machine, not a KVM switch though that could be used as well) to ...
- 631
51
votes
How can I import an existing .vbox virtual machine in VirtualBox?
The VBoxManage command line interface provides more control over VirtualBox than the GUI.
You can add an existing VM by running this on a terminal:
VBoxManage registervm /full/path/to/the/.vbox/file
...
- 611
49
votes
VirtualBox FATAL: INT18: BOOT FAILURE
Enable EFI:
Settings -> System -> Motherboard
OR
vboxmanage modifyvm vmname --firmware efi
- 615
49
votes
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Start a VM in VirtualBox without GUI
From VirtualBox manual 7th chapter (Remote virtual machines):
To start a virtual machine with VBoxHeadless, you have three options:
You can use
VBoxManage startvm "VM name" --type ...
- 1,341
48
votes
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VirtualBox fails to start with VERR_NEM_VM_CREATE_FAILED
Open the "Turn Windows features on or off" settings (type optionalfeatures in the start menu or Win + R).
Untick "Windows Sandbox" and "Hyper-V" .
Restart windows twice.
...
- 1,959
47
votes
Accepted
Find a Windows 10 ISO to install it in a virtual machine
Microsoft now provides Windows 10 test VMs for Hyper-V, VMware and VirtualBox. Follow these steps:
Navigate to https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/
Under Virtual Machine ...
- 1,343
45
votes
Accepted
Unable to install a VM into another VM
What you're trying to do is nested virtualization. Its not supported in virtualbox and in no way is a priority for them.
You'll need to run the XP VM in the host instead.
In THEORY you could run ...
- 125k
43
votes
VirtualBox - VT-x is being used by another hypervisor
It's happened to me when I was using a Android Virtual Device. Check if you are using other virtual machine at the same time.
Hope this help.
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43
votes
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VT-x error when setting up VirtualBox on Ubuntu
What solved my issue was using less than 3 GB of ram in the virtual box session. I was originally attempting to utilize roughly 6 GB.
You are trying to allocate >3GB of RAM to the VM.
This ...
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Only top scored, non community-wiki answers of a minimum length are eligible