Running Docker on a Linux computer may cause connectivity issues in a German ICE train. If you are not able to enter the captive portal (https://login.wifionice.de), try to delete the docker network temporarily (sure not being able to use Docker then).

I am using Ubuntu 23.04 with Wayland. Here the tool "wmctrl" is not working anymore. With this is was possible to select a window and bring it directly to focus from commandline. For my TODO Capture I used this, to use a global keyboard shortcut and enter Emacs to put in a TODO

Long time ago I was fascinated by a DOS game called Supaplex. This is a game similar to C64 game "Boulder Dash", but with some additional tiles and features. Someone created an SDL rewrite which is compatible with most systems: Open Supaplex on Github. 111 levels with increasing frustation...no I mean difficulty level ;D.

I own a Brother DCPL2550DN. This is a scan/print device which can put the scanned documents directly to an FTP target. I use this to digitize paper I want to keep on my Synology NAS. A problem is scanning double sided pages if the doc is large, as it cant scan with duplex. pdftk can help with that:

I own a Logitech Streamcam, which I use at the Desktop and I always wondered why it stops working after the first usage under Ubuntu 20.0.4. After that, apps dont find it anymore and I cant proceed with video conferencing.