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PAM + OTP. See the Arch Wiki [0], though it's applicable on almost every single distribution. You can use keys for known devices, and use passphrase and OTP for
by h4waii 10y ago
PAM + OTP. See the Arch Wiki [0], though it's applicable on almost every single distribution. You can use keys for known devices, and use passphrase and OTP for unknown devices if you need to SSH in a bind.
0. https://wiki.archlinux.org/index.php/Google_Authenticator https://wiki.archlinux.org/index.php/Google_Authenticator