LPI Essentials

The Linux Professional Institute (LPI) has had significant success with theirĀ  Essentials certifications. The idea is that getting started in many important technologies can be difficult, and that newcomers might benefit from an introduction-level curriculum.
I’ve been so impressed with the quality of these certifications, that I’ve created training content for all three of ’em. Here they are:

LPI Web Development Essentials

LPI Security Essentials

LPI Open Source Essentials

LPI Linux Essentials