This course will become read-only in the near future. Tell us at community.p2pu.org if that is a problem.
Every one will learn about any course by means of success executuions but here in this the one who struggled with bugs will explain how to remove them to who are suffering them now.
In this every ubuntu uesr is a teacher and student so
please post the hurdles you are facing in ubuntu and if you think you have passed a hurdle then post how to do it!