Increase incorrect login attempts before locking account
When I enter the login password incorrectly 3 times, my computer locks me out from attempting a login for 10 minutes. How can I increase the number of attempts?
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This appears to be set by the option deny in /etc/security/faillock.conf.
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Authentication events such as logging in are ultimately handled by PAM, the Linux Pluggable Authentication Modules project. PAM is very flexible and different Linux distributions will ship with different PAM configurations.
The Arch documentation describes how PAM is set up for Arch. In 2020, Arch switched to using the pam_faillock.so module to handle counting authentication failures (the previously-used module, pam_tally2.so, is deprecated). The man page for pam_faillock describes how it is to be configured, including a config file that lives by default at /etc/security/faillock.conf.
Users of other Linux distributions may not be using pam_faillock.so, but they are almost certainly using PAM. Consult the /etc/pam.d directory (or /etc/pam.conf file) to determine what modules are in effect for the service you're investigating, and then consult their man pages to determine how to configure them.
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