What would be recommended hardware sizing for Linux VM's in order to meet the below criteria
A. 80 Concurrent users
B. 300 searches per hour
C. 100 GB indexing per day
There are numerous topics in the documentation you can look at to help you with this:
Recommended hardware in the Installation Manual.
Hardware capacity planning in the Installation Manual.
The Estimate hardware requirements chapter in the Distributed Deployment Manual, including the summary table.