Troubleshooting commands
This section will cover frequently used troubleshooting commands that can be used to gather information from the system or a running service. While it is not feasible to cover every possible command, the commands used do cover fundamental troubleshooting steps for Linux systems.
Command-line basics
The troubleshooting steps used within this book are primarily command-line based. While it is possible to perform many of these things from a graphical desktop environment, the more advanced items are command-line specific. As such, this book assumes that the reader has at least a basic understanding of Linux. To be more specific, this book assumes that the reader has logged into a server via SSH and is familiar with basic commands such as cd, cp, mv, rm, and ls.
For those who might not have much familiarity, I wanted to quickly cover some basic command-line usage that will be required knowledge for this book.
Command flags
Many readers are probably familiar with the following...
