TIL a bit about Real-Time Transport Protocol (often referred to as RTP streaming) and Real-Time Streaming Protocol (RTSP).

TIL about remote desktop NoMachine. Will not use it as it installs on macOS startup items which I don’t like.

TIL ssh-copy-id. I used to copy ~/.ssh/id_rsa.pub manually from machine to machine. it founds out that I should have copied key to ~/.ssh/authorized_keys, not to ~/.ssh/.

Read A Survey on Open-Source Simulation Platforms for Multi-Copter UAV Swarms.

Downloaded and installed the first one, Webots. It could be launched as CLI /Applications/Webots.app/Contents/MacOS/webots --help.