Blog Archive


I like to write. Here's a collection of my blogposts.

HHVM is Ending PHP Support


Indie Hackers interview with Oh Dear!


Elasticsearch fails to start: access denied “/etc/elasticsearch/${instance}/scripts”


MySQL: Calculate the free space in IBD files


Chrome stops showing “www”-prefix in URI


Remote Desktop error: CredSSP encryption oracle remediation


DNS Spy now checks for the “Null MX”


Certificate Transparency logging now mandatory


Chalk Talk #3: how to optimise your content for Varnish


Upcoming presentation at LOADays: Varnish Internals – Speeding up a site x100


Chalk Talk #2: how does Varnish work?


Varnish: same hash, different results? Check the Vary header!


Varnishlog: show the hash() data in output


Drupal core – Highly critical – Remote Code Execution – SA-CORE-2018-002


It’s about what broke, not who broke it


Why I usually run ‘w’ first when troubleshooting unknown machines


Chalk Talk #1: An introduction to Varnish


Upcoming Drupal 7 and 8 core highly critical security release: March 28th


The security footgun in etcd


Enable the slow log in Elastic Search


Varnish 6.0 released


Laravel & MySQL auto-adding “on update current_timestamp()” to timestamp fields


Clear systemd journal


Announcing “Oh Dear!”: a new innovative tool to monitor your websites


Update a docker container to the latest version