Over at DZone, we have big community of developers sharing tutorials and content that could help introduce you to DevOps.

For starters, we have an entire web portal with thousands of free community-written articles about DevOps-related topics: https://dzone.com/devops

We also have several Refcardz (cheatsheets) on a variety of DevOps related topics:

Deployment Automation Patterns https://dzone.com/refcardz/deployment-automation-patterns

Continuous Integration Servers https://dzone.com/refcardz/continuous-integration-servers

Continuous Delivery Patterns https://dzone.com/refcardz/continuous-delivery-patterns

And for an introductory overview, we provide topical research and best practices Guides. Here is our latest 2017 DevOps Guide: https://dzone.com/guides/devops-continuous-delivery-and-auto...