John Sellens

John Sellens has been involved in system and network administration for over 25 years, and has been teaching and writing on related topics for many years. He holds an M.Math. in computer science from the University of Waterloo. He is the proprietor of SYONEX, a systems and networks consultancy, and is currently a member of the operations team at FreshBooks.

Linked Presentation: 
Elasticsearch, Logstash, and Other Data
Reliable Replicated File Systems with GlusterFS