About the authors

Denis Zuev is a worldwide IT expert with 10+ years' experience. Some people in the industry think that he is not human, and not without reason. His areas of expertise are networks, servers, storage, the cloud, containers, DevOps, SDN/NFV, automation, programming, and web development; you name it, he can do it. He is also known for his certification achievements. At the moment, he holds the following expert-level industry certifications: RHCI, RHCA.VI, 6xCCIE, 4xJNCIE, CCDE, HCIE, and VCIX-NV. He is a contractor and an instructor who works with top companies, including Cisco, Juniper, Red Hat, and ATT.

Artemii Kropachev is a worldwide IT expert and international consultant with more than 15 years' experience. He has trained, guided, and consulted hundreds of architects, engineers, developers, and IT experts around the world since 2001. His architect-level experience covers solution development, data centers, clouds, DevOps, middleware, and SDN/NFV solutions built on top of any Red Hat or open source technologies. He also possesses one of the highest Red Hat certification levels in the world – RHCA Level XIX.

Aleksey Usov has been working in the IT industry for more than 8 years, including in the position of infrastructure architect on projects of a national scale. He is also an expert in Linux with experience encompassing various cloud and automation technologies, including OpenShift, Kubernetes, OpenStack, and Puppet. At the time of writing, he holds the highest Red Hat certification level in CIS and Russia – RHCA Level XIV.