Blog - Page 3 of 7 - Thijs Feryn

28 Feb

Book signing at Varnish Summit London – trip report

By ThijsFeryn
In Trip report, Uncategorized, Vlog

Trip report - Book signing at Varnish Summit London and a visit to Wembley

On February 7th, my book “Getting Started with Varnish Cache” was released. Varnish Software, the company behind the popular open source HTTP accelerator, sponsored the book and has exclusive rights for a month. They invited me to present my book at

13 Feb

Validating JSON Web Tokens in Varnish

By ThijsFeryn
In Tech

JSON Web Tokens, or JWT as we tend to call them, is an open standard that stores claims in an encoded JSON object. Basically: JSON Web Tokens allow you to safely store session data client-side. How do JSON Web Tokens work?

07 Feb

My Varnish book is now available

By ThijsFeryn
In Tech

I’m proud to announce that my Varnish book is out now. It’s called “Getting Started With Varnish Cache” and it’s available for download through Varnish Software. For the next 30 days, Varnish Software has the exclusive rights to distribute the book. After

09 Dec

DevRelCon London – trip report

By ThijsFeryn
In Trip report, Vlog

DevRelCon is a Developer Relations conference in London. I’ve attended the 2015 edition and was keen to return for this edition. As a Technical Evangelist, DevRelCon is right up my alley, so I went and this is the trip

20 Sep

Varnish 5: new features and improvements

By ThijsFeryn
In Tech

Varnish 5 was released on September 15th 2016 and is the successor of version 4.1. So this is supposed to be major release that has new features and tons of improvements. The reality is that Varnish 5 only offers a couple of

29 Jul

I'm doing a minivlog on Instagram

By ThijsFeryn
In Uncategorized

I love social media and I love publishing video. I already have a Youtube channel that I’m building and I’m very active on Twitter. But as of today, it’s time for something new. I decided to start a minivlog on

20 Jul

Visiting the Coolblue offices in Rotterdam

By ThijsFeryn
In Trip report, Vlog

On Tuesday July 19th I was invited to speak at the Coolblue Behind The Scenes event at their offices in Rotterdam. I did a presentation on PHP 7 and got to visit their amazing offices. The video Here’s the video

14 Jul

What are type errors in PHP 7?

By ThijsFeryn
In Tech

PHP 7 has a concept called Type Errors. These errors are thrown on a type mismatch when interacting with functions. They can be caught just like exceptions.

12 Jul

Video for my caching talk at InfoShare 2016

By ThijsFeryn
In Speaking, Tech

Cache Rules Everything Around Me at Infoshare by Thijs Feryn

I am happy to announce that the video footage for my caching talk at InfoShare has finally been released. If you can spare 30 minutes and want to learn about caching, have a look. About Infoshare InfoShare is a really cool

21 Jun

Traveling to Amsterdam for Varnishcon 2016

By ThijsFeryn
In Travel, Trip report, Vlog

This trip report is all about Varnishcon 2016 in Amsterdam. I love conferences, both as a speaker and an attendee. And as you know, I’m an avid Varnish fan. I’ve done many Varnish presentations and I’ve written some blog posts on the subject.