Sander van Vugt has been teaching Linux classes since 1995and has written more than 60 books about different Linux-related topics,including the best-selling RHCSA-RHCE 7 Cert Guide and the RHCSA 8Cert Guide: EX200. Sander is also the author of more than 25 video courses,including his RHCSA and RHCE Complete Video Courses, Hands-On AnsibleLiveLessons, and many other titles. He teaches courses for customers aroundthe world and is also a regular speaker at major conferences related toopen-source software. Sander is also the founder of the Living Open SourceFoundation, a nonprofit organization that teaches open-source courses inAfrican countries.