At work we started a new video series called Chalk Talk, where we (try to) explain complicated technologies with a single chalkboard as guidance.
Our first series is on Varnish and will be hosted by yours truly.
Here's the first episode, giving an introduction to Varnish.
If you like a Dutch written version of the video, it's available at the Nucleus blog.
There will be 5 videos in the Varnish series, each will be posted weekly and every episode will dive deeper into the Varnish internals and offer practical tips on getting started. They'll appear on both the Nucleus blog & this one.