Install libnet-google-authsub-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libnet-google-authsub-perl
module to interact with sites that implement Google style AuthSub
Net::Google::AuthSub allows you to interact with sites that implement Google style AuthSub. The module is an API for the Authentication Service of Google. It can be used to access both regular Google accounts and hosted Google accounts (Google Apps).