LPIC-1 102 110.1 Perform security administration tasks

• 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.
• Basic sudo configuration and usage.

Terms and Utilities

• find
• passwd
• lsof
• nmap
• chage
• netstat
• sudo
• /etc/sudoers
• su
• usermod
• ulimit