“The 4-Hour Workweek” book by provides some good advises how to be more effective. https://is.muni.cz/el/1423/podzim2013/SOC932/um/43553173/FERRISS_Timothy_-_The_4-Hour_Workweek.pdf
circuits.io – just a wonderful tool for education
https://circuits.io/ One of the zillion posible projects.
Linux Command Line Tutorial For Beginners
Useful Computer Science Books Source
http://www.tandon-books.com/Computer%20Science/
IT tutorials in russian
One of the best in russian habrahabr.ru Some topics https://habrahabr.ru/flows/develop/ О процессе создания сервера – от идеи к деталям https://habrahabr.ru/company/yadro/blog/309080/ Защита периметра: старые атаки не хуже новых https://habrahabr.ru/company/pt/blog/309072/
Recommended books and tutorials
Pragmatic Thinking and Learning