Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Discover how Puppet Facts gather real-time data to make your infrastructure code dynamic and adaptable. Learn structured, executable, custom, and trusted facts for enhanced automation.
Discover how Puppet Edge automates network device management across Day 0 planning, Day 1 configuration, and Day 2 operations for streamlined infrastructure workflows.
Master Puppet's Control Repository fundamentals with Margaret and Tony. Explore structure, Hiera data, roles/profiles pattern, and real-world examples for infrastructure management.
Master Puppet Enterprise installations using PEADM for consistent, automated deployments. Follow real-time setup from Bolt configuration to execution with upgrade capabilities.
Get personalized course recommendations, track subjects and courses with reminders, and more.
