Donald A. Tevault's Books

Mastering Linux Security and Hardening

A practical guide to protecting your Linux system from cyber attacks

By: Donald A. Tevault

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Mastering Linux Security and Hardening

A practical guide to protecting your Linux system from cyber attacks

By: Donald A. Tevault

Gain a firm practical understanding of how to secure your Linux system from intruders, malware attacks, and other cyber threats Purchase of the print or Kindle book includes a free eBook in PDF format. Key Features Discover security techniques to prevent malware from infecting a Linux system, and detect it Prevent unauthorized people from breaking into a Linux system Protect important and sensitive data from being revealed to unauthorized persons Book DescriptionThe third edition of Mastering Linux Security and Hardening is an updated, comprehensive introduction to implementing the latest Linux security measures, using the latest versions of Ubuntu and AlmaLinux. In this new edition, you will learn how to set up a practice lab, create user accounts with appropriate privilege levels, protect sensitive data with permissions settings and encryption, and configure a firewall with the newest firewall technologies. You’ll also explore how to use sudo to set up administrative accounts with only the privileges required to do a specific job, and you’ll get a peek at the new sudo features that have been added over the past couple of years. You’ll also see updated information on how to set up a local certificate authority for both Ubuntu and AlmaLinux, as well as how to automate system auditing. Other important skills that you’ll learn include how to automatically harden systems with OpenSCAP, audit systems with auditd, harden the Linux kernel configuration, protect your systems from malware, and perform vulnerability scans of your systems. As a bonus, you’ll see how to use Security Onion to set up an Intrusion Detection System. By the end of this new edition, you will confidently be able to set up a Linux server that will be secure and harder for malicious actors to compromise.What you will learn Prevent malicious actors from compromising a production Linux system Leverage additional features and capabilities of Linux in this new version Use locked-down home directories and strong passwords to create user accounts Prevent unauthorized people from breaking into a Linux system Configure file and directory permissions to protect sensitive data Harden the Secure Shell service in order to prevent break-ins and data loss Apply security templates and set up auditing Who this book is for This book is for Linux administrators, system administrators, and network engineers interested in securing moderate to complex Linux environments. Security consultants looking to enhance their Linux security skills will also find this book useful. Working experience with the Linux command line and package management is necessary to understand the concepts covered in this book.

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619

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Packt Publishing Ltd

Published Date

ISBN 10

1837632626

ISBN 13

9781837632626

Linux Service Management Made Easy with systemd

Advanced techniques to effectively manage, control, and monitor Linux systems and services

By: Donald A. Tevault

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Linux Service Management Made Easy with systemd

Advanced techniques to effectively manage, control, and monitor Linux systems and services

By: Donald A. Tevault

A comprehensive guide for teaching system administrators, developers, and security professionals how to create their own systemd units and maintain system security Key Features Maintain and troubleshoot systemd services with ease Learn to create, modify, and reload service files and use systemd utilities Use cgroups to control resource usage and enhance security Book DescriptionLinux Service Management Made Easy with systemd will provide you with an in-depth understanding of systemd, so that you can set up your servers securely and efficiently.This is a comprehensive guide for Linux administrators that will help you get the best of systemd, starting with an explanation of the fundamentals of systemd management.You’ll also learn how to edit and create your own systemd units, which will be particularly helpful if you need to create custom services or timers and add features or security to an existing service. Next, you'll find out how to analyze and fix boot-up challenges and set system parameters. An overview of cgroups that'll help you control system resource usage for both processes and users will also be covered, alongside a practical demonstration on how cgroups are structured, spotting the differences between cgroups Version 1 and 2, and how to set resource limits on both. Finally, you'll learn about the systemd way of performing time-keeping, networking, logging, and login management. You'll discover how to configure servers accurately and gather system information to analyze system security and performance. By the end of this Linux book, you’ll be able to efficiently manage all aspects of a server running the systemd init system. What you will learn Use basic systemd utilities to manage a system Create and edit your own systemd units Create services for Podman-Docker containers Enhance system security by adding security-related parameters Find important information with journald Analyze boot-up problems Configure system settings with systemd utilities Who this book is for This book is best suited for Linux administrators who want to learn more about maintaining and troubleshooting Linux servers. It will also be useful for aspiring administrators studying for a Linux certification exam, developers looking to learn how to create systemd unit files, and security administrators who want to understand the security settings that can be used in systemd units and how to control resource usage with cgroups. Before you dive into this book, you’ll need a solid working knowledge of basic Linux commands.

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Page Count

420

Publisher

Packt Publishing Ltd

Published Date

ISBN 10

1801815038

ISBN 13

9781801815031

The Ultimate Linux Shell Scripting Guide

Automate, Optimize, and Empower tasks with Linux Shell Scripting

By: Donald A. Tevault

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The Ultimate Linux Shell Scripting Guide

Automate, Optimize, and Empower tasks with Linux Shell Scripting

By: Donald A. Tevault

Master Linux Shells – Your Complete Guide to Practical Success with Bash, Zsh, PowerShell Key Features Embrace Bash, Zsh, and PowerShell across Linux, macOS, Unix Seamlessly progress through chapters with conceptual explanations, illustrative examples, and immersive labs for hands-on skill development Build real-world Linux administration scripts, enhancing your troubleshooting and management skills Book DescriptionEmbark on a comprehensive journey through command shells with this hands-on manual. While Bash is a Linux staple, Z shell and PowerShell are rising stars, applicable to Linux, macOS, and Unix. Progress seamlessly through chapters, each building on the last, creating a solid foundation. Learn through a unique approach: concepts, examples, and interactive labs. These labs, nearly a hundred strong, form the core of experiential learning, essential for script creation. Focusing on Linux commands and their scripting applications, this manual is universally relevant across Linux and select Unix-like systems. It goes beyond theory, offering practical scripts for real-world Linux administration. Scripts are designed for manageability, aiding learning and troubleshooting. The goal is to nurture the ability to craft intelligent, functional shell scripts. While centered on Bash, this book offers a peek into the future with Z Shell and PowerShell, expanding your skills and adaptability. This book is systematically structured and engaging so that it will guide you to master command shells, equipping you for real-world Linux challenges.What you will learn Grasp the concept of shells and explore their diverse types for varied system interactions Master redirection, pipes, and compound commands for efficient shell operations Leverage text stream filters within scripts for dynamic data manipulation Harness functions and build libraries to create modular and reusable shell scripts Explore the basic programming constructs that apply to all programming languages Engineer portable shell scripts, ensuring compatibility across diverse platforms beyond Linux Who this book is for This book is for programmers who use the command line on Unix and Linux servers already, but don't write primarily in Bash. This book is ideal for programmers who've been using a scripting language such as Python, JavaScript or PHP, and would like to understand and use Bash more effectively. It’s also great for beginning programmers, who want to learn programming concepts.

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Page Count

697

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Packt Publishing Ltd

Published Date

ISBN 10

1835463150

ISBN 13

9781835463154

Mastering Linux Security and Hardening

Protect your Linux systems from intruders, malware attacks, and other cyber threats

By: Donald A. Tevault

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Mastering Linux Security and Hardening

Protect your Linux systems from intruders, malware attacks, and other cyber threats

By: Donald A. Tevault

A comprehensive guide to securing your Linux system against cyberattacks and intruders Key Features Deliver a system that reduces the risk of being hacked Explore a variety of advanced Linux security techniques with the help of hands-on labs Master the art of securing a Linux environment with this end-to-end practical guide Book DescriptionFrom creating networks and servers to automating the entire working environment, Linux has been extremely popular with system administrators for the last couple of decades. However, security has always been a major concern. With limited resources available in the Linux security domain, this book will be an invaluable guide in helping you get your Linux systems properly secured. Complete with in-depth explanations of essential concepts, practical examples, and self-assessment questions, this book begins by helping you set up a practice lab environment and takes you through the core functionalities of securing Linux. You'll practice various Linux hardening techniques and advance to setting up a locked-down Linux server. As you progress, you will also learn how to create user accounts with appropriate privilege levels, protect sensitive data by setting permissions and encryption, and configure a firewall. The book will help you set up mandatory access control, system auditing, security profiles, and kernel hardening, and finally cover best practices and troubleshooting techniques to secure your Linux environment efficiently. By the end of this Linux security book, you will be able to confidently set up a Linux server that will be much harder for malicious actors to compromise.What you will learn Create locked-down user accounts with strong passwords Configure firewalls with iptables, UFW, nftables, and firewalld Protect your data with different encryption technologies Harden the secure shell service to prevent security break-ins Use mandatory access control to protect against system exploits Harden kernel parameters and set up a kernel-level auditing system Apply OpenSCAP security profiles and set up intrusion detection Configure securely the GRUB 2 bootloader and BIOS/UEFI Who this book is for This book is for Linux administrators, system administrators, and network engineers interested in securing moderate to complex Linux environments. Security consultants looking to enhance their Linux security skills will also find this book useful. Working experience with the Linux command line and package management is necessary to understand the concepts covered in this book.

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Page Count

652

Publisher

Packt Publishing Ltd

Published Date

ISBN 10

1838983597

ISBN 13

9781838983598

Mastering Linux Security and Hardening

A practical guide to protecting your Linux system from cyber attacks

By: Donald A. Tevault

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Mastering Linux Security and Hardening

A practical guide to protecting your Linux system from cyber attacks

By: Donald A. Tevault

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Solve jigsaw puzzle

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Page Count

619

Publisher

Packt Publishing Ltd

Published Date

ISBN 10

1837632626

ISBN 13

9781837632626

Mastering Linux Security and Hardening

Secure your Linux server and protect it from intruders, malware attacks, and other external threats

By: Donald A. Tevault

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Mastering Linux Security and Hardening

Secure your Linux server and protect it from intruders, malware attacks, and other external threats

By: Donald A. Tevault

A comprehensive guide to mastering the art of preventing your Linux system from getting compromised. Key Features Leverage this guide to confidently deliver a system that reduces the risk of being hacked Perform a number of advanced Linux security techniques such as network service detection, user authentication, controlling special permissions, encrypting file systems, and much more Master the art of securing a Linux environment with this end-to-end practical guide Book DescriptionThis book has extensive coverage of techniques that will help prevent attackers from breaching your system, by building a much more secure Linux environment. You will learn various security techniques such as SSH hardening, network service detection, setting up firewalls, encrypting file systems, protecting user accounts, authentication processes, and so on. Moving forward, you will also develop hands-on skills with advanced Linux permissions, access control, special modes, and more. Lastly, this book will also cover best practices and troubleshooting techniques to get your work done efficiently. By the end of this book, you will be confident in delivering a system that will be much harder to compromise.What you will learn Use various techniques to prevent intruders from accessing sensitive data Prevent intruders from planting malware, and detect whether malware has been planted Prevent insiders from accessing data that they aren’t authorized to access Do quick checks to see whether a computer is running network services that it doesn’t need to run Learn security techniques that are common to all Linux distros, and some that are distro-specific Who this book is for If you are a systems administrator or a network engineer interested in making your Linux environment more secure, then this book is for you. Security consultants wanting to enhance their Linux security skills will also benefit from this book. Prior knowledge of Linux is mandatory.

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Page Count

367

Publisher

Packt Publishing Ltd

Published Date

ISBN 10

1788625064

ISBN 13

9781788625067

Linux Service Management Made Easy with systemd

Advanced techniques to effectively manage, control, and monitor Linux systems and services

By: Donald A. Tevault

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Linux Service Management Made Easy with systemd

Advanced techniques to effectively manage, control, and monitor Linux systems and services

By: Donald A. Tevault

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Solve jigsaw puzzle

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Page Count

420

Publisher

Packt Publishing Ltd

Published Date

ISBN 10

1801815038

ISBN 13

9781801815031

The Ultimate Linux Shell Scripting Guide

Automate, Optimize, and Empower tasks with Linux Shell Scripting

By: Donald A. Tevault

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The Ultimate Linux Shell Scripting Guide

Automate, Optimize, and Empower tasks with Linux Shell Scripting

By: Donald A. Tevault

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Write a review

Solve jigsaw puzzle

Age

Page Count

697

Publisher

Packt Publishing Ltd

Published Date

ISBN 10

1835463150

ISBN 13

9781835463154

Book's by Donald A. Tevault

Mastering Linux Security and Hardening

Mastering Linux Security and Hardening

Linux Service Management Made Easy with systemd

Linux Service Management Made Easy with systemd

The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

Mastering Linux Security and Hardening

Mastering Linux Security and Hardening

Mastering Linux Security and Hardening

Mastering Linux Security and Hardening

Mastering Linux Security and Hardening

Mastering Linux Security and Hardening

Linux Service Management Made Easy with systemd

Linux Service Management Made Easy with systemd

The Ultimate Linux Shell Scripting Guide

The Ultimate Linux Shell Scripting Guide

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