open source Updates of hardware and software To start with a new Bluetooth headset, the Teufel Move BT with main characteristics: Bluetooth with aptX for wirelss, lossless signal up to 30 meters Strong battery with playtime of max. 15 hours and 2 hours reload time more on this in Dutch: https://www.teufelaudio.nl/koptelefoons/move-bt-p16096.html
docker Docker on Ubuntu It is simple to install collabora as a docker instance running with Nextcloud, but with the different Supported storage drivers is is actually not that simple, aufs and overlay2 did not work, so downgrade docker-ce and use devicemapper again.
open source The disappearing wifi on a laptop After a mysterious disappearance of an installed wifi card I did some duckduckgoing and found a blogpost that helped me to get Wifi working again thanks to @unixblogger
coding End of 2018 software projects I took some time during the winter holidays to work on some of the dusted software project that were laying around, like cryptpad, nextcloud, seafile, collabora and onlyoffice and two new: standardnotes and solid