https://www.humblebundle.com/books/dev-ops-oreilly 5 days: Humble Book Bundle: DevOps by O'Reilly

= USD1 Effective DevOps Moving Hadoop to the Cloud Cloud Foundry: The Definitive Guide Kubernetes: Up and Running Linux Pocket Guide 3rd ed.

= USD8 Cloud Native Infrastructure Jenkins 2: Up and Running Deploying to OpenShift Database Reliability Engineering Practical Monitoring

= USD15 The Site Reliability Workbook Seeking SRE AWS System Administration Prometheus: Up and Running Designing Distributed Systems

The Make magazine Do it yourself Bundle may also interest (12 days)