People who are experts at Linux courses in all possible levels can open their own institutes and earn well. They can advertise about their skills and experiences through online and offline modes and then try to focus on the promotion of their respective institutes.Linux is the demand of IT sector nowadays and therefore the probability of people getting enrolled in any reputed institute is always there. After one or two successful batches, the reputation of an institute can increase at large.
One can also run his/her websites to help people with their Linux-related queries and help them in getting the concepts clear.