LPI Linux Certification/Perform security administration tasks

Detailed Objective
(LPIC-1 Version 5.0)

Weight: 3

Description: Candidates should know how to review system configuration to ensure host security in accordance with local security policies.

Key Knowledge Areas:
 * Audit a system to find files with the suid/sgid bit set.
 * Set or change user passwords and password aging information.
 * Being able to use nmap and netstat to discover open ports on a system.
 * Set up limits on user logins, processes and memory usage.
 * Determine which users have logged in to the system or are currently logged in.
 * Basic sudo configuration and usage.

The following is a partial list of the used files, terms and utilities: