Welcome to the Catalyst Blog

Explore our latest posts, for insights and tips on all things open source.

Catalyst blog posts - insights and perspectives for the open source software and online learning community
Donna Benjamin

Web Analytics: A new plugin for Moodle

Catalyst recently contributed a new web analytics plugin to the Moodle plugins directory.   Our new plugin is the next step in an evolution of maturity in the collection,...
Donna Benjamin

What does a Business Analyst do?

I recently passed a milestone in the journey of my career. I've now spent over two years as a formal "Business Analyst" or "BA" here at Catalyst IT. In actuality, I've been a BA...
Kathryn Tyree

Open values at VALA2018

Around about now I should start emailing you to say, “come and talk to Catalyst about your library technology plans! Visit me at Stand 44 at #Vala2018!” right? Well, yes, but...
Bruno Lago

Serverless Computing in OpenStack

Qinling delivers Function as a Service (Serverless Computing) in OpenStack clouds. Lingxian Kong and Feilong Wang are senior cloud engineers from the Catalyst Cloud...
Russell Michell

Blockchain 101 - part 2

Introduction In my previous post I covered key concepts fundamental to understanding blockchain technology, and detailed a small handful of real world use-cases. In this post I...
Gavin Porter

Moving away from Symantec Certificate Authorities

An ever-growing number of security issues have been identified with certificates issued by Symantec Certificate Authorities (CAs) over recent years. Affected certificates include...
Alex Lawn

Cutting our AWS spend in half

It often seems that, by default, our AWS monthly spends go in only one direction - up. Our AWS cost reduction strategy has evolved over time, through the work we’ve done for...
Gavin Porter

Security vulnerabilities: what you need to know

Wi-Fi KRACK Overnight, security weaknesses have been published in the WPA2 protocol used by most home and commercial Wi-Fi systems, including public Wi-Fi. The attack that...
Russell Michell

Blockchain 101

You’ve heard of bitcoin, and you read about Silk Road a while back. Bitcoin is just ‘geek money’ and you can’t possibly do anything useful with it... right? Wrong. The bar...
Evan Hanson

Vagrant and LXD

Managing Development Environments We use a variety of technologies to help us manage development environments. One of these is Linux Containers, and more...
Brendan Heywood

Under the hood of Moodle’s cron system

At Catalyst we work with a lot of clients who have pretty big Moodle instances. One of the critical parts of Moodle is the Task API aka cron system which ticks along in the...