Mastering Linux System Administration / Christine Bresnahan, Richard Blum.

Format:

Book

Author/Creator:

Bresnahan, Christine, author.

Blum, Richard, author.

Language:

English

Subjects (All):

Linux--Administration.

Linux.

Operating systems (Computers).

Physical Description:

1 online resource (579 pages)

Place of Publication:

Hoboken, New Jersey : John Wiley & Sons, Incorporated, [2021]

Summary:

Achieve Linux system administration mastery with time-tested and proven techniques In Mastering Linux System Administration, Linux experts and system administrators Christine Bresnahan and Richard Blum deliver a comprehensive roadmap to go from Linux beginner to expert Linux system administrator with a learning-by-doing approach. Organized by do-it-yourself tasks, the book includes instructor materials like a sample syllabus, additional review questions, and slide decks. Amongst the practical applications of the Linux operating system included within, you'll find detailed and easy-to-follow instruction on: * Installing Linux servers, understanding the boot and initialization processes, managing hardware, and working with networks * Accessing the Linux command line, working with the virtual directory structure, and creating shell scripts to automate administrative tasks * Managing Linux user accounts, system security, web and database servers, and virtualization environments Perfect for entry-level Linux system administrators, as well as system administrators familiar with Windows, Mac, NetWare, or other UNIX systems, Mastering Linux System Administration is a must-read guide to manage and secure Linux servers.

Contents:

Cover

Title Page

Copyright Page

Acknowledgments

About the Authors

About the Technical Editor

Contents at a Glance

Contents

Introduction

Who Should Read This Book

What You Will Learn

What You Need

The Mastering Series

How to Contact Wiley or the Authors

Part 1 Basic Admin Functions

Chapter 1 Understanding the Basics

What Is Linux?

Looking into the Linux Kernel

The GNU Utilities

Linux User Interfaces

Linux Distributions

Core Linux Distributions

Specialized Linux Distributions

The Bottom Line

Chapter 2 Installing an Ubuntu Server

Pre-Installation Requirements

Hardware Requirements

Virtual Server Requirements

Finding the Software

Oracle VirtualBox

Ubuntu Server

Running the Installation

Checking the Installation

Chapter 3 Installing and Maintaining Software in Ubuntu

Exploring Package Management

Inspecting the Debian-Based Systems

Managing Packages with apt

Installing Software Packages with apt

Upgrading Software with apt

Uninstalling Software with apt

The apt Repositories

Using Snap Containers

Installing from Source Code

Chapter 4 Installing a Red Hat Server

CentOS

Chapter 5 Installing and Maintaining Software in Red Hat

Exploring Red Hat Packages

Automated Package Management

Listing Installed Packages

Installing Software with dnf

Upgrading Software with dnf

Uninstalling Software with dnf

Handling Broken Dependencies

Working with RPM Repositories

Working Directly with Packages.

Finding Package Files

Inspecting Package Files

Installing Package Files

Removing Package Files

Using Flatpak Containers

Chapter 6 Working with the Shell

Exploring the Shell

The Shell Prompt

The Shell Manual

Working with Commands

Entering Commands

Retrieving Past Commands

Redirecting Commands

Environment Variables

Global Environment Variables

User-Defined Environment Variables

Chapter 7 Exploring Linux File Management

Filesystem Navigation

The Linux Filesystem

Traversing Directories

Linux Files

Determining File Types

Filenames

Hidden Files

File Inodes

File and Directory Listing

Basic Listing

Modifying Listing Information

The Complete Parameter List

Directory Handling

Creating Directories

Deleting Directories

File Handling

Creating Files

Copying Files

Linking Files

Renaming Files

Deleting Files

File Features

Using Wildcards

Quoting

Case Sensitivity

Finding Files

The which Command

The locate Command

The whereis Command

The find Command

Archiving Files

Compressing Files

Creating Archive Files

Archiving Scenarios

Chapter 8 Working with Text Files

The vim Editor

Checking Your vim Editor Program

Using the vim Editor

The nano Editor

Working with Data Files

Sorting

Searching

Compressing

Archiving

Part 2 Intermediate Admin Functions

Chapter 9 Managing Hardware

Device Driver Modules

Listing Installed Modules

Installing New Modules

Removing Modules

Communicating with Devices

Device Interfaces

The /dev Directory

The /proc Directory

The /sys Directory

Working with Devices

Finding Devices

Working with PCI Cards

Working with USB Devices

Using Hot Pluggable Devices.

Detecting Dynamic Devices

Working with Dynamic Devices

Chapter 10 Booting Linux

Understanding the Boot Process

Overview of the Boot Process

Watching the Boot Process

The Firmware Startup

The GRUB2 Bootloader

Configuring the GRUB2 Bootloader

Exploring the GRUB2 Configuration

Interacting with GRUB2

The systemd Initialization Process

Exploring Unit Files

Focusing on Service Unit Files

Focusing on Target Unit Files

Changing a Unit Configuration File

Changing the systemd Configuration File

Looking at systemctl

Jumping Targets

Analyzing with systemd

Chapter 11 Working with Storage Devices

Storage Basics

Drive Connections

Partitioning Drives

Automatic Drive Detection

Partitioning Tools

Working with fdisk

Working with gdisk

The GNU parted Command

Formatting Filesystems

Common Filesystem Types

Creating Filesystems

Mounting Filesystems

Manually Mounting Devices

Automatically Mounting Devices

Managing Filesystems

Retrieving Filesystem Stats

Filesystem Tools

Storage Alternatives

Multipath

Logical Volume Manager

Using RAID Technology

Chapter 12 Configuring Network Settings

Network Settings

Ubuntu Servers

Red Hat Servers

Using Network Command-Line Tools

NetworkManager Tools

Other Tools

Basic Network Troubleshooting

Sending Test Packets

Finding Host Information

Advanced Network Troubleshooting

The netstat Command

Examining Sockets

Chapter 13 Managing Users and Groups

Understanding Linux Permissions

Understanding Ownership

Controlling Access Permissions

Exploring Special Permissions

Managing Default Permissions

Using Access Control Lists

Managing User Accounts

Adding Accounts

Maintaining Accounts.

Removing Accounts

Maintaining the Environment

Setting Environment Variables

Exploring User Entries

Exploring Global Entries

Managing Groups

Adding Groups

Removing Groups

Chapter 14 Working with Processes and Jobs

Looking at Processes

Monitoring Processes in Real Time

Managing Processes

Setting Priorities

Stopping Processes

Running Programs in Background Mode

Running in the Background

Running Multiple Background Jobs

Running Programs Without a Console

Job Control

Viewing Jobs

Restarting Stopped Jobs

Scheduling Jobs

Scheduling a Job Using the at Command

Scheduling Recurring Programs

Chapter 15 Managing Log Files

The systemd Journaling System

Configuring systemd-journald

Looking at Journal Files

Making the Journal Persistent

Viewing Journal Entries

Maintaining the Journal

Viewing Different Journal Files

Protecting Journal Files

Making Journal Entries

The rsyslog Legacy System

The syslog Protocol

Basic Logging Using rsyslogd

Layering Your Logging

Making Log Entries

Finding Event Messages

Chapter 16 Managing Printers

The Common Unix Printing System

Printer Drivers

Web Interface

Command-Line Commands

Printer Sharing

Printer Classes

Installing and Configuring CUPS

Installing CUPS

Preparing the Server to Use CUPS

Using CUPS

Administration Functions

Managing Printers and Jobs in CUPS

Part 3 Advanced Admin Functions

Chapter 17 Exploring Ubuntu Security

Locking Down Root

Looking at Linux Account Types

Gaining Super User Privileges

Using OpenSSH on Ubuntu

Exploring Basic SSH Concepts

Configuring SSH

Generating SSH Keys

Authenticating with SSH Keys

The AppArmor System

Network Security Using Firewalls.

Understanding UFW

Configuring UFW

Chapter 18 Exploring Red Hat Security

Working with Root Access

Keeping Track of Root Logins

Disabling Root Access from SSH

Enabling Automatic Logout

Blocking Root Access

Using SELinux

Enabling SELinux

Understanding Security Context

Using Policies

Network Security Using Firewalls

Red Hat Firewall Concepts

Checking the Firewall Status

Working with Zones

Working with Firewall Rules

Chapter 19 Writing Scripts

Beginning a Shell Script

Creating a Script File

Displaying Messages

Using Variables

User Variables

Command Substitution

Exiting the Script with Status

Passing Parameters

Adding Conditional Expressions

Working with the if-then Statement

Using Compound Tests

Working with the if-then-else Statement

Trying the case Statement

Using Loops

Looking at the for Command

Working with the while Format

Using the until Command

Using Functions

Creating Functions

Calling Functions

Chapter 20 Managing Web Servers

Linux Web Servers

Apache

nginx

The Apache Web Server

Installing an Apache Server

Configuring the Apache Server

Hosting Dynamic Web Applications

Creating a Secure Web Server

The nginx Server

Installing nginx

Configuring nginx

Chapter 21 Managing Database Servers

Linux Database Servers

Organizing the Data

Querying the Data

Controlling the Data

Installing and Using MySQL/MariaDB

Conducting a MariaDB Installation

Accessing a MariaDB Database

Populating and Using MariaDB Database

Installing and Using PostgreSQL

Conducting a PostgreSQL Installation

Accessing a PostgreSQL Database

Populating and Using a PostgreSQL Database

The Bottom Line.

Chapter 22 Exploring the Virtualization Environment.

Notes:

Includes bibliographical references and index.

Description based on print version record.

ISBN:

9781119794479

1119794471

9781119794462

1119794463

OCLC:

1259594596