There are 4 choices for the alternative gdm-smartcard (providing /etc/pam.d/gdm-smartcard). $ sudo update-alternatives -config gdm-smartcard To use the new line, we executed the following command again:Īnd we selected the new option, number 4. The new line would give us the option to log in with a username and password, even though the smartcard was still plugged in. We converted it to this: $ cat /var/lib/dpkg/alternatives/gdm-smartcard etc/pam.d/gdm-smartcard-sssd-or-password etc/pam.d/gdm-smartcard-pkcs11-exclusive * 0 /etc/pam.d/gdm-smartcard-sssd-exclusive 50 auto modeġ /etc/pam.d/gdm-smartcard-pkcs11-exclusive 30 manual modeĢ /etc/pam.d/gdm-smartcard-sssd-exclusive 50 manual modeģ /etc/pam.d/gdm-smartcard-sssd-or-password 40 manual modeĪs recommended by the comments in the bug report, we edited the file /var/lib/dpkg/alternatives/gdm-smartcard to add a new option and from this: $ cat /var/lib/dpkg/alternatives/gdm-smartcard There are 3 choices for the alternative gdm-smartcard (providing /etc/pam.d/gdm-smartcard). The results it produced were the following: $ sudo update-alternatives -config gdm-smartcard Sudo update-alternatives -config gdm-smartcard

Yubikey alternative