Today I learned...

Current state of IPv6 on AWS

A rant(?) on the current state of IPv6

TLS Certificate Fingerprints

TLS fingerprints are used to identify certificates with a (short) string, but it seems it is not so well documented how they are actually calculated.

New Year's Resolution 2024

With 2023 coming to an end - there is something for a new year’s resolution…

Archlinux Sway with a 4K display

Subtle issues running an external 4K display on Linux

/etc/shells is important for login

After a regular update and reboot I could no longer login to my system.