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

Shell Scripting and SQL Data Management

In the last chapter, we covered a wide array of security features that are available in the Linux environment. First, we discussed executing commands with root privileges. We then moved on to TCP wrappers, focusing on the /etc/hosts.allow and /etc/hosts.deny files. Next, we covered SSH; we looked at setting up SSH access between a client and a server. Finally, we covered encryption in depth.

In this chapter, the final chapter of this book, we will be covering the basics of shell scripting and SQL management. First, we will look at the syntax for writing a shell script; this will be followed by writing scripts with various loops, such as the for and while loops. Next, we will cover writing shell scripts using if statements. Finally, we will finish this chapter (and book) by covering the basics of SQL management.

We will cover the following...