Hey folks, In this (Part I) practical based article we'll go through the password (aging) policy in Linux. So, let's get started and know that what is the password aging policy? In order to ensure system and network security, various security mechanisms are used, which includes user password expiration, determining the time interval d1uring which the password will be in use, forcing users to change their password, sending a warning message to users to change the password before the password expires, and deactivating the user account and so on. Now let's talk about some settings in the password policy. In general, processes related to password policies and measures in Linux are done through the "chage" command and " /etc/login.defs ." file. There are some following settings in the password aging policy: The last password change date - is the date when the last password has been changed by the user; The password expiration date - is the last date th...
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