Chapter 10Topic 110: Security

THE FOLLOWING EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • images  110.1 Perform security administration tasks.
    • Key knowledge areas:
      • Audit a system to find files with suid sgid bit set.
      • Set or change user passwords and password aging information.
      • Be 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:
      • find
      • passwd
      • fuser
      • lsof
      • nmap
      • chage
      • netstat
      • sudo
      • /etc/sudoers ...

Get LPIC-1 Linux Professional Institute Certification Practice Tests, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial