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November 2021
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The landscape of security is changing quite a bit. We’ve gone from basic username and password to 2FA, facial recognition, fingerprint recognition, and so on. Hell, my Mac unlocks simply when I have my Apple Watch near by. In the end, I probably use the Mac fingerprint key the most.

One functionality that still requires manually typing a password is using sudo from command line. Did you know, however, that you can instead require the fingerprint key instead of typing out your password?

# Open the sudo utility
sudo vi /etc/pam.d/sudo

# Add the following as the first line
auth sufficient pam_tid.so

Whether or not you’d prefer to type it out or simply use the fingerprint is obviously personal preference. Since you expect to be be typing in a command line, moving your finger to touch the key is probably not very efficient. If you do want to use fingerprint, however, here you go!

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