VM-VirtualBox-VMWare-Hyper-V

After installing a Linux ( Ubuntu or CentOS ) or Windows in Oracle VirtualBox, you should want to enable the copy & paste function between the virtual machine and the host machine. This article will tell you how to do it.

In this example, I install a CentOS in a VirtualBox virtual machine. Then I click the virtual machine to focus it, and then I click Devices —> Insert Guest Additions CD image… menu item in the virtual machine top menu bar to install additions image like below picture. But during the installation process, I meet

I run VirtualBox in my Mac OS. And I install CentOS Linux as a virtual machine OS in VirtualBox. When I start the CentOS virtual machine, and when I focus on the virtual machine by clicking the mouse key in it, I can not go back to my Mac OS easily, this makes me crazy.

After installing Ubuntu in VirtualBox and log in to the Ubuntu OS, I find the ubuntu os screen resolution is configured at 800*600, this is not a good screen resolution for usage. I want to change it to at least 1920*1080. After investigate I finally find the method to change it.

This article will show you how to install mac os ( include both mac os high sierra & Mojave ) in VirtualBox virtual machine. And the host os is windows 10. Below are the steps, you can follow them.

After installing macOS high sierra in VirtualBox, when I start the virtual machine, it popup the Keyboard Setup Assitant window like below. For macOS beginners, this window is so strange and I do not know what to do. And if you are not lucky, you will find your mouse and keyboard are all out of

When you use oracle VirtualBox, sometimes you need to install the VirtualBox extension. Because the VirtualBox extension provides you add-on functions such as virtual USB 2.0 & 3.0 support, VirtualBox remote desktop protocol support, Intel PXE boot ROM, Disk image encryption with AES algorithm, Host webcam passthrough, etc. But when you install it, you may

When I install VirtualBox on macOS, I meet an error message like this The installation failed. The installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance. I struggled for some time and finally find the solution to fix it. Now let me tell you.

My host machine OS is Windows 10, and I install oracle VirtualBox on it. The guest OS in the VirtualBox virtual machine is Ubuntu 18.04.1. I use the Ubuntu OS normally for example code development. But one day when I start the Ubuntu virtual machine, I find the network does not work correctly. I can