Google Authenticator PAM module
google-authenticator-libpamExample PAM module demonstrating two-factor authentication for logging into servers via SSH, OpenVPN, etc.
Example PAM module demonstrating two-factor authentication for logging into servers via SSH, OpenVPN, etc.
google-authenticator itself--time-based-t--disallow-reuse-d--force-f--label-l<label>--issuer-i<issuer>--window-size-w<window_size>--secret-s<secret>--qr-mode-Q<qr_mode>--emergency-codes-e<emergency_codes>