Dressing up for security success
Linux PAM (Pluggable Authentication Modules) is a wonderful authentication application library that's used by essential programs like 'login' and 'passwd', and, so, is included in virtually every Linux distribution. Still, for most beginning Linux users and even a few veterans, PAM is a big unknown, its powers left dormant awaiting a brave user to venture in and become empowered.
By Renier Morales at LinuxWorld.
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