You can have the best book in your hands, but experimentation will always remain the best way to learn. It is even more true that, even after following the instructions provided in this book, you might experience some problems. Therefore, as nothing is written in stone, here you will find some topics to help you resolve different cases that can happen. From tricks to ease your life to troubleshooting steps, I have grouped the useful tools that you can implement daily.
In this chapter, we will cover the following situations:
How to ease your life with the command line?
When you need to retrieve open ports