I have done Red hat from one of the local organization. I was not a quick learner but our teacher was so expert and delivering our tutorials very fast pace. As a result, I was stuck over and over in many issues. So, I was searching how to fix the most common problems which normally occurs during linux courses and luckily I have found this article which is really helpful for me. It provides great tips and tricks to fix common problems occurred in linux.
Hope you will also like this.