Kudos to Shopify! that's exemplary of what I think businesses that leveraged on Open-source should mimic. It's a gesture of gratitude and being appreciative. In addition, it keeps the lights on and motivates the community.
As a company that provide linux services and support, I always recommend customers to go with SuSE, and YaST is one of the key reason.
Try configuring DHCP, DNS, or any service. Instead of rumbling through /etc and doing vi magic with googling, YaST offers a step by step approach which many admins deeping appreciate.
I prefer video as it shows. Text only leaves too much ambiguity to interpretation. Having taken multiple courses in coursera, edx and other online learning platforms, the video in this course is pretty well made.