TechRepublic: Enable Password Aging on Linux Systems

"Password aging is a mechanism that allows the system to enforce a certain lifetime for passwords. While this may be moderately inconvenient for users, it ensures that passwords are changed occasionally, which is a good security practice. Most Linux distributions do not enable password aging by default, but it's very easy to enable.

"By editing /etc/login.defs, you can specify a few parameters to set the default settings for password aging..."

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