About the authors

Denis Salamanca is a technology enthusiast living in Costa Rica with his fiancée and step-son. He has been working in IT since he was 20 and has worked for the most influential and leading companies in the industry, including VMware, Microsoft, and Hewlett-Packard Enterprise. He currently holds more than 10 technical certifications across different fields, such as cloud, storage, Linux, Docker, and virtualization. He has also participated in the development of Linux certifications and is part of the CompTIA Linux Subject Matter Experts and Technical Advisory Committee. 

His love for technology has driven him to work in different positions and fields across his career, and this has helped him to develop an understanding about the different points of view that a technical solution requires. 

Esteban Flores has been meddling with computers since he was 8 years old. His life as an IT expert began when he lost a lot of important data belonging to his family by saying he was "fixing the computer." He's worked for top-tier companies, including Hewlett-Packard Enterprise, VMware, Akamai, and Microsoft. With 10 years' experience, his passion for cutting-edge technology has driven him to work on different roles during his professional career. Storage technologies have always been his forte, focusing mostly on performance tuning and optimization. A photographer during his free time, he's been doing Linux-related things since his first job, finding amazement in its flexibility to run from a small laptop all the way up to the world's fastest supercomputers.