/usr/share/doc/login-duo/README.Debian is in login-duo 1.9.19-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | Once you have installed libpam-duo or login-duo, you will need to configure
the /etc/security/pam_duo.conf or /etc/security/login_duo.conf files
respectively with the Duo Security keys.
To test the login_duo configuration, run as a regular user:
$ login_duo echo YOU ROCK
If this is successful, make sure the pam_duo configuration setting
are valid, then you can enable the PAM module by updating the pam
auth stack, and selecting it as the root user:
# pam-auth-update
To not skip this PAM module when using SSH, either enable
"ChallengeResponseAuthentication=yes" in /etc/ssh/sshd_config or see
"man duo", "man pam_duo", and "man login_duo" for more details.
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