Скачать или смотреть Sudo Authentication with Yubikey

In this video we configure a Yubikey 5 NFC to work with sudo authentication.

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*Commands used in this video*
Step 1:
$ sudo apt-get install libpam-u2f pamu2fcfg

Step 2:
$ pamu2fcfg -u `whoami` -opam://`hostname` -ipam://`hostname`
Copy output into "/etc/u2f_mappings"

Step 3:
$ sudo nano /etc/pam.d/sudo

Fallback mode for PAM - replace $HOSTNAME with the hostname of your computer
auth sufficient pam_u2f.so origin=pam://$HOSTNAME appid=pam://$HOSTNAME authfile=/etc/u2f_mappings cue

Require both Yubikey and password to authenticate - replace $HOSTNAME with the hostname of your computer
auth required pam_u2f.so origin=pam://$HOSTNAME appid=pam://$HOSTNAME authfile=/etc/u2f_mappings cue

To require authentication everytime sudo is ran:
$ sudo visudo
Defaults env_reset,timestamp_timeout=0​