Notes

Links, cheatsheets and references, updated periodically.
Mostly for myself, but you might find them useful, too.

General Linux

Linux directories
SSH key authentication
Accessing and converting iPhone photos on Linux
Editing video using ffmpeg
VirtualBox on Linux

PinePhone and postmarketOS

Setup
ProtonMail
Plasma Mobile
SWMO (aka SXMO-de-Sway)
How to rice your SWMO (external link)
pmbootstrap
Old notes on Asus Nexus 7

Hosting

Matrix Synapse server
Prosody XMPP server
SMP (SimpleX Messaging Protocol) server setup