# a2enmod headers # echo "Header set X-Clacks-Overhead \"GNU Terry Pratchett\"" >> /etc/apache2/conf-available/X-Clacks-Overhead.conf # a2enconf X-Clacks-Overhead # systemctl reload apache2
$ curl -I https://inacker.de/ HTTP/1.1 200 OK Date: Sun, 07 Sep 2025 09:35:49 GMT Server: Apache Last-Modified: Thu, 03 Mar 2022 22:09:11 GMT ETag: "51a-5d957a5dfc9b3" Accept-Ranges: bytes Content-Length: 1306 Vary: Accept-Encoding X-Clacks-Overhead: GNU Terry Pratchett Content-Type: text/html