Command line
Every flag, and the four modes they select between.
The dashboard
The live terminal view — five tabs, global filters, and what each number means.
The configuration editor
lyno -configure — a terminal editor for the whole configuration, with validation before it writes.
Running in Docker
Host networking is not optional, and file ownership will bite you exactly once.
Running behind NAT
Which side of the NAT you are on decides what you configure — usually nothing.
Troubleshooting
The failures that actually happen, and where to look first.