Over the past 15 years, David Cohen has worked as a Linux System Administrator, Software Engineer, Infrastructure/Platform Engineer, SRE, and a few other things besides. In his free time, he runs the tutorialinux YouTube channel where he’s taught hundreds of thousands of people the basics of Linux, Programming, and DevOps. David has been at Hashicorp since 2019 — first as an SRE, then as a Reference Architect, now as a Go software engineer.