Unable to insert the virtual optical disk in an Ubuntu virtual machine
When you try to install a new version of the VirtualBox Guest Addition on an Ubuntu virtual machine you may get the error message Unable to insert the virtual optical disk C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso into the machine Ubuntu…
Raw-mode is unavailable courtesy of Hyper-V error in VirtualBox
For VirtualBox to be able to start virtual machines, Hyper-V has to be turned off in Windows 10. If you get the error message when you try to launch a virtual machine in VirtualBox Raw-mode is unavailable courtesy of Hyper-V Check the Hyper-V setting…
Connect to a database on the host in a Docker container from a virtual machine
Docker is an emerging technology to launch applications without installation. The same host can run multiple Docker containers of any type, so one physical or virtual server can serve as a complete mini cloud environment. Most of the time Linux is used…