Weight: 3

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

• Key knowledge area(s):
  • 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.
  • Basic sudo configuration and usage.

• The following is a partial list of the used files, terms and utilities:
  • find
  • passwd
  • lsof
  • nmap
  • chage
  • netstat
  • sudo
  • /etc/sudoers
  • su
  • usermod
  • ulimit Category:Book:LPI Linux Certification#Perform%20Security%20Administration%20Tasks