Setup Chromoting/CRD/Chrome Remote Desktop from the command line.

authorize_crd.sh

#!/bin/sh
# This assumes the package is installed.
#  wget https://dl.google.com/linux/direct/chrome-remote-desktop_current_amd64.deb
#  sudo apt install ./chrome-remote-desktop_current_amd64.deb 
#  # And maybe
#  wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
#  sudo apt install ./google-chrome-stable_current_amd64.deb
#  # Fix the likely missing dependencies.
#  sudo apt --fix-broken install

# Derived from https://askubuntu.com/a/953269/740127

echo " Open the following in a browser with your Google account:"
echo " https://accounts.google.com/o/oauth2/auth?scope=https://www.googleapis.com/auth/chromoting%20https://www.googleapis.com/auth/googletalk%20https://www.googleapis.com/auth/userinfo.email&redirect_uri=https://talkgadget.google.com/talkgadget/blank&response_type=code&client_id=440925447803-avn2sj1kc099s0r7v62je5s339mu0am1.apps.googleusercontent.com&access_type=offline&approval_prompt=force"

# Ex: https://talkgadget.google.com/talkgadget/blank?code=0/XXXXXXxXXXXXXXXXXXXXxxxxXxXXXxXXXXXxx_XxxXX#
echo " Then paste the URL of the resulting blank page here:"
read input

REDIRECT_URL=`echo $input | /bin/grep -ohP '^.*(?=\?)'`
CODE=`echo $input | /bin/grep -ohP '(?<=\?code=).*#'`
NAME=`/bin/hostname`

echo " token found = $CODE"
echo " Now run the following:"
echo /opt/google/chrome-remote-desktop/start-host \
        --code="$CODE" \
        --redirect-url="$REDIRECT_URL" \
        --name="$NAME"