Login Shell to automatically connect to serial port via ssh

serialsh.bash

#!/bin/bash
name="$(basename $0)"
echo "$name"
if [[ "$name" =~ serialsh-(tty[a-zA-Z0-9]+)(-([0-9]+))? ]]; then
  tty="${BASH_REMATCH[1]}"
  speed="${BASH_REMATCH[3]}"
  exec screen -dR "serialsh-${tty}" "/dev/${tty}" $speed
else
  echo "usage: $0"
  echo "symlink this file as serialsh-tty0 to access tty0"
  echo "symlink this file as serialsh-ttyUSB0-115200 to"
  echo "  access /dev/ttyUSB0 at 115200 bauds"
  exit 1
fi