Alexandru CalcatingeAlexandru Calcatinge is an open-minded architect with a background in computer science and mathematics, and is constantly eager to learn new things. He is a senior university lecturer with a PhD in urban planning and regional development. With 13 yeas of experience in architectural programming and development, Alex teaches students about smart cities, big data, and open source technologies. He has authored four books and numerous scientific articles on urban and regional planning, with an emphasis on open source technologies in urban and rural development. Alex started using Linux in 2009 and never looked back. He has also been a certified Linux trainer since 2017 and teaches Ubuntu Server administration to students in Bucharest, Romania. Alex loves the DevOps philosophy and the possibilities that cloud technologies bring to the future. He is a certified programming analyst, computer network administrator, trainer, and designer. Read More Read Less