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This online course teaches how to harden a Linux system, reduce its surface of vulnerability, and reduce the risk of a Linux system being hacked or compromised.

This online course shows how to read music.

This online course teaches how to create web apps with Ruby on Rails from scratch. No prior experience required.

This online course teaches how to build a storage area network with Openfiler.

This online course teaches the key concepts of algebra. It includes more than 200 video lessons and more than 150 quiz questions.

This online course gives an introduction to architecture photography. It includes lessons on photographing buildings, home exteriors and interiors.

This online course gives an introduction to cryptocurrency and blockchain, including investing, mining and more. It includes the foundations of cryptocurrency technology and...

This online course teaches key skills in company valuation using Excel. A main focus of the course is on creating financial models, including a discounted cash flow (DCF)...

This online course shows how to use the Django 1.10 framework with Python 3.

This online course teaches ten beginning hip hop dance routines. The course aims for participants to be able to perform hip hop choreography.

This online course teaches how to play the blues, chords, rhythms, and more on a harmonica.

This online course gives an introduction to probability and statistics. The course was designed for students and requires some basic maths.

This online course teaches about strategies and programs to do affiliate marketing.

This online course teaches what top business school admissions are looking for and how to get into a top school with an average (or below) GPA or GMAT.

This online course gives an introduction to chess for beginners.

This online course teaches how to study and pass the Microsoft 70-461 Exam and gain Certification for MCSA or MCSE.

This online course teaches advanced speed reading, memory and productivity techniques to improve participants´ learning skills.

This online course shows how to build and deploy fullstack web apps with NodeJS, React, Redux, Express, and MongoDB.

This online course teaches data science techniques for professionals and students - learn the theory behind logistic regression and code in Python.

This online course teaches how to start a YouTube channel, increase views and subscribers, and build a brand with videos.