Sharing large files using 'Dropbox' API
Multi-factor authentication using 'Symworld CPaaS SMS API'
EC site using 'PAY.JP' API
Maps using 'Google Maps Platform' API or 'Leaflet + OpenStreetMap'
Webhook, Sending email via an SMTP server, and other...
apt install dbus-X11 # dbus-X11 というのが必要らしい
apt install git # まだ入ってなかった
git clone https://github.com/PRATAP-KUMAR/gdm-extension/
cd gdm-extension
sudo ./install.sh
(/usr/local/share/gnome-shell/extensions/gdm-extension@pratap.fastmail.fm にインストールされる。)