Book Image

CompTIA Linux+ Certification Guide

By : Philip Inshanally
Book Image

CompTIA Linux+ Certification Guide

By: Philip Inshanally

Overview of this book

The Linux+ certification provides a broad awareness of Linux operating systems, while giving professionals an upper hand in the IT industry. With this certification, you’ll be equipped with the all-important knowledge of installation, operation, administration, and troubleshooting services. This CompTIA Linux+ Certification Guide will give you an overview of the system architecture. You’ll understand how to install and uninstall Linux distributions, followed by working with various package managers. You’ll then move on to manipulating files and processes at the command-line interface (CLI) and creating, monitoring, killing, restarting, and modifying processes. As you progress, you’ll be equipped to work with display managers and learn how you can create, modify, and remove user accounts and groups, as well as understand how to automate tasks. The last set of chapters will help you configure dates and set up local and remote system logging. In addition to this, you’ll explore different internet protocols, and delve into network configuration, security administration, Shell scripting, and SQL management. By the end of this book, you’ll not only have got to grips with all the modules you need to study for the LX0-103 and LX0-104 certification exams, but you’ll also be able to test your understanding with practice questions and mock exams.
Table of Contents (23 chapters)
19
Mock Exam - 1
20
Mock Exam - 2

Fundamentals of Internet Protocol

In the last chapter, the focus was on maintaining the system's time and logging. Particularly, we touched on ways in which we could manipulate the system. Next, we worked with logging and explored the common log files. Finally, we worked with remote. We then generated test logs over on our Fedora system and verified that we received the logs over on our Ubuntu rsyslog server.

In this chapter, the focus is on Internet Protocol (IP). We will start off with IPv4, looking at the address structure and the various IPv4 addresses commonly used in today's environment. We will then move on to subnetting an IPv4 address, determining the network and host portion of an IPv4 address. This is then followed up with IPv6. We look at the structure of an IPv6 address and some well-known IPv6 addresses. Then we focus on ways in which we can reduce the...