To install the virtualbox extension pack on a headless machine, I needed to run the virtualbox gui app as root via sudo. This did not pass authentication through and X11 failed. Solution was found at the link below. X11 connection… Read More
Getting Virtualbox shared folders to automount in linux guests
Some of these steps are easily forgotten, leading to no shared folders automatically mounting. The process to debug this can be a hassle, and there are far too many workaround mount methods on the net, including manual fstab entries etc,… Read More
Windows 10 won’t boot up in virtualbox after major update
Windows 10 installed a major update automatically. In this case it was the anniversary update from a year ago. After updating, it got stuck during boot on a spinning circle. Very simple fix – shutdown all VMs, then update virtual… Read More
Gracefully shutting down another user’s Virtualbox VMs
I was having issues shutting down another user’s Virtualbox virtual machines. Specifically, my virtual machines run as a particular user, but my UPS software’s shutdown script runs as root. Root cannot find any VMs registered to it. I combined instructions… Read More
Upgrading Virtualbox Extension packs from the command line
I recommend saving the state or shutting down any virtual machines that are running. Next, find out the name of any existing extension packs: Extension Packs: 1Pack no. 0: Oracle VM VirtualBox Extension PackVersion: 4.3.6Revision: 91406Edition:Description: USB 2.0 Host Controller,… Read More
Mounting Virtualbox VDI in linux
Needed to mount a VDI. Using manually installed Vbox from Oracle site, which has nasty conflict with packages for Mint, so couldn’t easily get fuse installed. Solved by using qemu as per these instructions.