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LPI Linux Essentials Certification Prep

The Linux Professional Institute (LPI) Linux Essentials certificate proves you have a foundational understanding of the Linux OS and command line.

Exam Objectives Covered​

1. The Linux Community and a Career in Open Source​

  • Understand the evolution of Linux and popular Operating Systems.
  • Understand Open Source licensing (GPL, MIT, Apache).

2. Finding Your Way on a Linux System​

  • Basic command line navigation (cd, ls, pwd).
  • Using the manual (man, info, --help).
  • Understanding directories: /etc (config), /var (variable data/logs), /home (users), /bin (binaries).

3. The Power of the Command Line​

  • Archiving files on the command line (tar, gzip, bzip2).
  • Searching and extracting data from files (grep, less, cat).
  • Turning commands into a script (basics of #!/bin/bash).

4. The Linux Operating System​

  • Choosing an operating system (Debian vs. RHEL families).
  • Understanding computer hardware basics.
  • Where data is stored (finding logs, configs).

5. Security and File Permissions​

  • Basic security and identifying user types (root vs. standard user).
  • Creating users and groups.
  • Managing file permissions and ownership (chmod, chown).

Practical Study Example​

Set up a virtual machine (e.g., VirtualBox with Ubuntu Server) and practice navigating the filesystem, creating text files, changing permissions, and packing them into a tar archive.