Damned ! Don't use a SD card for a Raspberry Pi especially to build a server, mine break up after 1 year and a half. I'm probably the only one to ignore that :-) Shame on me.
my Raspberry Pi 2 is running my RSS reader (miniflux) from 2019-09-18 without any problem (and some other apps before that) dooes I have good luck or did you have bad luck ?
Tried to install Crowdsec (similar to Fail2ban, wrote in Go) but it failed on Archlinux ARM. The binary doesn't work on ArchARM until now. Looking forward a new version working on this environment.
Reuse of my Nexus 7 2013 LTE with LineageOS 16 (Android 9). I read my e-books and do some stuff with a seven years old device, great ! I avoid Gapps to be Google free
If you can find the books of Gilbert Simondon, a french philosopher, translated in english, do not hesitate to read them. He worked on individuation and technology. I find an article about his philosophy : cutt.ly/OgqXhPN. I think read GS provide some keys to understand what computing means today.
Cryptpad : a good solution to work on text documents, spreadsheets, ... in a trusted environment (an admin can't access to the encrypted data). I had some difficulties to setup it on my server, due to a little knowledge of Node.js. But for the Nginx configuration, i learnt a lot of things especially how to prevent Cross-site scripting attacks.
Try this Firefox extension (also available on Chrome and Edge) : Privacy Redirect. It redirect the queries from social networks to Nitter, Invidious, OpenStreetMap, ... A further step to keep our personal data safe
I found a way to break DRMs on e-books which needs ADE on Linux (.acsm extension). Tools : Wine (for Windows Programs), ADE 2.0.1, Calibre with DeDRM extension. Perfect