#authN – authentication, 2FA/MFA, login, passwords, …
#backup – backing up files, 3-2-1 (and 3-2-1-1-0) rules, …
#cli – command line power and expertise
#corporate – management, HR, and similar tragicomic groups
#crypto – cryptographic algorithms
#expert – some expertise needed :)
#file-server – getting and sending files to people
#intro – introductory material
#nettool – tools to do stuff over the network
#rclone – powerful tool for file transfer especially with many cloud services
#standard – standards, RFCs, etc
#stay-safe – advice, suggestions, ideas for staying safe
#sync – file synchronisation
#web-GUI – tools that have a web GUI