lchage
Display or change user password policy.
TLDR
Disable password expiration for the user
$ sudo lchage --date -1 [username]
Display the password policy for the user
$ sudo lchage --list [username]
Require password change for the user a certain number of days after the last password change
$ sudo lchage --maxdays [number_of_days] [username]
Start warning the user a certain number of days before the password expires
$ sudo lchage --warndays [number_of_days] [username]
