In reply to nvreddy@gmail.com.

Hi, and thanks for your comment. The Cisco Networking Academy program offers several free, foundational IT courses that anyone can take online, at their own pace. These include:

* Introduction to IoT: https://www.netacad.com/courses/intro-iot/
* NDG Linux Unhatched: https://www.netacad.com/campaign/linux-u-1/
* NDG Linux Essentials: https://www.netacad.com/courses/ndg-linux-essentials/