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

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How to increase VirtualBox CentOS 6.5 disk size?

I have a VM that I initially set up with 4 GB memory and successfully increased it to 8 GB (by getting rid of lv_swap and running lvextend). However, I'm now trying to increase it to 10 GB and am ...
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CentOS Virtualbox Alt Left

I'm using CentOS on Virtualbox, and I find that I press Alt+Left or Alt+Right, the screen will change cyclely, seems like mutiple virtual desktop of CentOS. Is it really the virtual desktop of CentOS?...
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Can't mount shared folder from W10 host in Fedora 28 guest

Up until a few weeks ago, I was running Fedora 27 in VBox on a W7 laptop, and Shared Folders worked fine. That machine died recently. I have a new W10 laptop, and have installed VBox 5.2.12 on my new ...
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Using a VPN inside a virtual machine

If I use VPN software (on a gust windows VM) to connect to a certain server (not via port 80), can the server see the host IP? I have an expressVPN subscription, planning to use it with virtualbox. ...
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Virtualization (VT-X) stopped working on w10 machine. How can I start it again?

I have a Windows 10 Home machine (Lenovo Y520) with a Core i7-7700HQ processor. Windows 10 and the BIOS are up to date. So is Oracle Virtualbox. Until recently it was running VMs just fine with ...
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Is there danger in accessing a third partition from my virtualbox guest installed on a partition

I recently configured my laptop to dual boot windows 10 and ubuntu 16.04. The set up is that I have 6 partitions on a single 1TB drive, of those only 3 are set up as usable drives (rest are recovery, ...
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Can't connect to VM from Host in HostOnlyNetwork Configuration

I am trying to create a VM on my Ubuntu linux machine. The VM I am trying to create is 12.04 Ubuntu 32 bit virtual machine. I have had success creating said VM from a Windows environment, but when I ...
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nftables for virtualbox firewall

On the same physical machine, there are 3 network interfaces. One is connected to the internet. The machine is running linux with nftables for a firewall. There is also a Virtualbox guest running on ...
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42 views

How to shrink VMWare disk size?

I installed Windows 10 on VMWare and I set its capacity as 60 gigabytes. Now I only want it to have 30 gigabytes and reclaim those 30 gigabytes for my mac. How do I change that?
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Ubuntu 18.04 LTS installed in VirtualBox hang at boot up after system update

host: Windows 10 with all the latest updates guest: Ubuntu 18.04 VirtualBox 5.2.12 Ubuntu 18.04 VirtualBox Machine: 4GiB, 2CPUs, VT-x/AMD-V, Nested Paging,PAE/Nx, Video memory 56 MB I installed ...
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Is there a way to un-capture ctrl key in VirtualBox?

Running Ubuntu in Windows on VirtualBox (Version 5.1.24 r117012 (Qt5.6.2)) I seem to have inadvertently captured the Ctrl key with mouse click. By clicking with the mouse wheel I can get a new ...
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Win10 - can't reach ubuntu VM after last big windows update (again :-/ )

Once again after major windows update my virtualbox networking went down the drain... My VMs are starting and I can connect to them via vagrant port forwarding. But I cannot reach them from windows ...
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Different Networks on same interface in virtual box

I have two VMs connected to the same internal network in virtual box. This internal network is connected to a NAT. The DHCP server is giving an IP only for one VM. I want to configure the other one ...
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CentOS Virtualbox no internet access

I have the following problem: I have a VM with CentOS installed. From this machine, I can't connect to internet, so I can't upgrade nothing installed on it. The VM configuration is: Under Settings -...
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No internet connection with bridge adapter

I had internet connection inside my virtual box but after not using it for over a week I am not having internet connection. (Similar question to the question posted on ask ubuntu) The things that ...

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