Upgrade guide for PHP 7.3 on Ubuntu and Debian.
Enable TLS 1.3 on Apache. No need to compile Apache yourself
How to enable TLS 1.3 in Nginx and Apache
Secure Password Hashing with BCrypt and Argon2 for WordPress
Why, When, and How to say “No”
I will be speaking in DrupalEurope 2018 in Darmstadt, Germany.