Course details

CompTIA Linux+ 2014 Powered By LPI: LX0-104 Security, Data, and Accessibility

CompTIA Linux+ 2014 Powered By LPI: LX0-104 Security, Data, and Accessibility

Target Audience
Expected Duration
Lesson Objectives
Course Number
Expertise Level

Security, data management, and accessibility are huge fields; however, a system administrator should know enough to understand the roles and features available when configuring a Linux system. This course describes some basic best practices and functionality available to secure a server or provide accessibility for users. In this course, you will learn how to perform basic security administration tasks; learn how to write Structured Query Langauge, or SQL, statements; learn how to secure data using encryption; and learn about the Assistive Technologies available to help with Accessibility requirements. This course is one of a series in the Skillsoft learning path that covers the objectives for the CompTIA Linux+ exams LX0-104.

Target Audience
System administrators that need to support advanced security, data management, and accessibility on a Linux system


Expected Duration (hours)

Lesson Objectives

CompTIA Linux+ 2014 Powered By LPI: LX0-104 Security, Data, and Accessibility

  • start the course
  • use commands to audit a system to find files that have the suid or sgig bit set
  • describe how to set or change a user's password and aging information
  • use netstat to discover open ports on a system
  • use nmap to discover open ports on a local or remote system
  • apply limits to user logins, processes, and memory usage
  • identify which users or processes have files opened
  • identify users who have logged in or who are currently logged into the system
  • configure and use sudo to run commands with superuser, or root, access as a normal user
  • use SQL to query a database and return results using the select statement
  • use the SQL insert, update, and delete statements to modify data in a table
  • apply a join to database tables to return a result set across multiple tables
  • use the SQL order by statement to return a sorted result set
  • use the SQL group by statement to aggregate data in a result set
  • configure and use the OpenSSH2 client to securely connect and run commands on another system
  • describe how the OpenSSH2 server host keys are used to secure communications
  • perform basic GnuPG configuration, usage, and revocation of keys
  • use SSH Port Tunnels to tunnel non-secure communications over a secured connection
  • configure the keyboard accessibility settings
  • configure and understand the usage for the different visual settings and themes used for accessibility
  • describe the basic features and tools used for assistive technologies (ATs)
  • configure Linux security, data management, and accessibility
  • Course Number:

    Expertise Level