Here are the slides for LibrePlanet 2018.
PDF format: https://releases.pagure.org/textalk/slides.pdf
You should be able to compile the source files by:
pdflatex slides
with TeX Live 2017.
If there are any problems, report it to me, either by opening new issues on pagure, or just emailing me: Alick Zhao <alick9188 NOSPAM AT gmail DOT com>
This work is licensed under CC-BY-SA 4.0 Unported unless noted otherwise.
The original Material Design theme for beamer is under MIT license.