RHEL CentOS Debian Ubuntu проверка срока действия пароля
Для проверки используется команда chage.
chage [options] [LOGIN]
Примеры
# chage -l root
Last password change : Sep 06, 2012
Password expires : never
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 99999
Number of days of warning before password expires : 7
# chage -l adm
Last password change : Sep 23, 2011
Password expires : never
Password inactive : never
Account expires : never
Minimum number of days between password change : 0
Maximum number of days between password change : 99999
Number of days of warning before password expires : 7