From here.

There are requirements to use Windows layout keyboards on Mac, especially the mechanical keyboards. Here is how to configure Mac to use a Windows layout keyboard. From here.

Here is a record of how I synchronize bookmarks between Firefox and Chrome.

This issue happens when I use VirtualBox 5.2.6 on a “Mac High Sierra” host.

This post describes how to wipe hard drive data with the “dd” command. From here and here.

The requirement is to select a face from a photo and save it as another photo. Refer here and here.

Here is some notes about using Ubuntu guest on Mac host in VirtualBox.

This is a note about how to mount the 2nd hard disk when Ubuntu starting up. From here.