You’ve set up a new server, installed PHP above your database of choice, and your site has been running happily in the background. But now your SEO work and recent marketing campaign is funnelling more traffic to your server. You are at the stage of business growth where having a stable website is vital and…

Read More

Introduction Disabling your server’s root user SSH login is a simple way to step up the security of your server. In this short guide we show you: how to create a new sudo user. disable SSH login for the root user. If you lack the confidence or the time to manage your own web site…

Read More

In this post we start exploring the STACK online mathematics assessment system (currently being developed by the University of Edinburgh). Specifically, we will be studying STACK integration with the¬†Moodle VLE. We will also see why a computer algebra-based system is needed for teaching and assessment. We then show how to install¬†Maxima 5.38.1 on an Ubuntu…

Read More