Learn the skills required to sysadmin a remote Linux server from the commandline.
Course restarts every first Monday of the month

• https://reddit.com/r/linuxupskillchallenge/

Cleo Lingo - A guide to Egyptian Arabic by Eric Schenck and Tarek Saleh.

Contains many fun and informative posts.

• https://3quarksdaily.com/3quarksdaily/2025/06/graveyard-of-languages.html - an essay by Eric Schenk where he reflects on learning languages, Arabic amongst others.