This article from Michelle Miller, an expert in online teaching, provides some considerations of things to think about when trying to quickly move a course online. Here is a summary of her tips:
This article by Cathy N. Davidson and Christina Katopodis discusses the importance of human interactions and community in this time. The authors recommend creating entry or exit tickets as a simple strategy for creating an engaged learning experience online: they outline several possible strategies for different class set-ups.
A list of tips, strategies and considerations for a temporary emergency move to remote teaching from Quality Matters.