Linux: Disable the Password Failure Delay (Revisited)

To get rid of this annoying delay, for example when running a sudo command, you can do the following with PAM configuration.

pam-config --update --unix-nodelay

Additionally, for regular “su”, you’ll want to go to the configuration file /etc/login.defs and set the appropriate option.

FAIL_DELAY              0

Voilà!

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