Resources
The Open Guide to AWS
Become (and stay) a CISSP on a Budget
OWASP Cheat Sheet Series
The Bash Hackers Wiki
Periodic Table of DevOps Tools
Play with Docker Classroom
The Best Free Password Managers of 2018
The Best (paid) Password Managers of 2018
yum cheat sheet
Open Hub directory and analytics about open source software projects
History of Agile software development
Distribution of Computer Skills: Worse than You Think