Alex Callejas is a services content architect at Red Hat, the world’s leading provider of enterprise open source solutions, including Linux, the cloud, containers, and Kubernetes. He is based in Mexico City and is a free and open source software contributor. With more than 20 years of experience as a system administrator, he has strong expertise in infrastructure hardening and automation. An enthusiast of open source solutions, he supports the community by sharing his knowledge at different public-access and university events.