https://www.humblebundle.com/books/linux-book-bundle
    >= USD1
Pro Git (2nd ed.)
Ansible: From Beginner to Pro
Certified OpenStack Administrator Study Guide
    >= USD8
Pro Vim
Practical LPIC-1 Linux Certification Study Guide
Beginning Ubuntu for Windows and Mac Users
Introduction to Linux Distros
Nginx: From Beginner to Pro
    >= USD15
Pro Linux High Availability Clustering
Practical Linux Topics
Pro Docker
Introducing Ethereum and Solidity

SE-Radio - Software Engineering Radio (podcasts)
http://www.se-radio.net/2016/06/se-radio-episode-259-john-purrier-on-openstack/
Episode 259: John Purrier on OpenStack
http://www.se-radio.net/2016/09/se-radio-episode-268-kief-morris-on-infrastructure-as-code/
Episode 268: Kief Morris on Infrastructure as Code

6th RISC-V Workshop Proceedings Shanghai, China May 8-11, 2017
https://riscv.org/2017/05/6th-risc-v-workshop-proceedings/