This is a plugin for Question2Answer that provides a random question widget.
Get the source code for this plugin from github, either using git, or downloading directly:
To download using git, install git and then type git clone https://github.com/ostack/qa-random-question-widget.git
random at the command prompt (on Linux, Windows is a bit different)
To download directly, go to the project page and click Download
Upload all files to you q2A server dirctory 'qa-plugin'
Login as admin and enter plugin opertion, config parameters for this plugin
navigate to your site, go to Admin -> Layout on your q2a install and select "add widget" beside the Random question entry, then follow instructions.