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

Network Configuration and Troubleshooting

In the last chapter, we took quite an in-depth look into the world of Internet Protocol version 4 (or IPv4), and Internet Protocol version 6 or (IPv6). In addition to this, we then covered subnet masks, followed by subnetting. Finally, we worked with well-known protocols. We covered some of the most widely used protocols and their port numbers.

In this chapter, our focus moves into the configuration of IPv4 and IPv6. First, we will work with ways of configuring an IPv4 address along with its subnet mask. Next, we will look at the routing table in a Linux system; particularly looking at configuring a static route, and ending with a default route configuration. This is followed with the configuration of an IPv6 address inside a Linux system; followed by the routing table for IPv6. This is then followed by configuring an IPv6 route, ending...