John S. Tonello

is a Technical Marketing Manager for HashiCorp and has worked in and around the IT industry for more than 20 years, including for SUSE, Chef and Puppet. He’s spent more than 25 years building Linux-based environments, has written articles and Geek Guides for Linux Journal, and regularly publishes a wide range of how-to guides and blogs about DevOps, Linux, and software-defined infrastructure.