This guide explains how to set password aging limits in /etc/login.defs, modify them with sed, and enforce password complexity on CentOS systems using PAM modules such as pam_cracklib and pam_pwquality, including recommended values and practical examples.
This article explains the MySQL password expiration mechanism, introduces the relevant columns in the mysql.user table, demonstrates how to set passwords to never expire, expire after a specific interval, or expire immediately, and shows how to configure the global default_password_lifetime variable.
This guide shows how to create a Linux user, force an immediate password change on first login using the chage command, verify the behavior, and manage password expiration policies with practical examples and command explanations.
This article explains how Oracle DBAs can restore access for users whose passwords have expired and become locked by leveraging the password hash in DBA_USERS (or USER$) to reset the account without knowing the original password, while detailing relevant profile parameters and status codes.
