Remote Serial Terminal
20.7.2016
This is a short how-to for using a serial terminal (minicom) via a ssh connection for controlling connected hardware and logging measurement data.
minicom
minicom is a very simple to use serial terminal for the console.
The first run should be called with the parameter -s (setup).
Later you can call it without any parameter. It's main interaction is done with Ctrl+A Z. This opens the options menu.
Important Commands
screen
screen is a terminal based window manager. this is needed, to keep a remote 'minicom session' running, when the ssh-connection is closed
start ssh-session: ssh user@server-url.com
run: screen
press enter to close splash screen
minicom (start minicom in window 0)
do whatever you want to do in minicom.
to forward the Ctrl-a signal, which is catched by screen and very important for using minicom, use Ctrl+a a
before closing the ssh-session, the window must be detached with Ctrl-a d
you can close now the the ssh-session, and the minicom-session keeps running on the server.
when you want to resume your minicom-window, connect to your server via ssh, and run
screen -r (for resuming the window)
Important Commands