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Key benefits

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

Description

The 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.

Who is this book 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.

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

What do you get with Print?

Instant access to your digital copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Redeem a companion digital copy on all Print orders

Access this title in our online reader with advanced features

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Dennis Stritzke Jan 22, 2024

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Marek Zima Feb 13, 2024

Darryl L. Rowe Aug 25, 2024

Excellent material, good coverage and understandable. Just what I needed to get up to speed and set up an rsyslogserver.

Amazon Verified review

Kindle Customer Nov 30, 2023

A wealth of knowledge that dives into Linux Security. A great resource and detailed guide.

Vic Malone Feb 28, 2023

While I do believe that Linux is a more secure platform over all compared to Windows, that does not mean it is impervious to malware or other types of cyber attacks. Just a cursory glance at the website CVE Details will display a fair number of vulnerabilities that score 7.0 and higher for Linux, while a recent Office of Information Security TLP report on the BlackCat ransomware will show that Debian and Ubuntu operating systems are susceptible along with most Windows operating systems, both server and desktop. This is where Donald A. Tevault's latest book, "Mastering Linux Security and Hardening, 3E" from Packt Publishing comes in.This book is aimed at Linux system and security administrators. The text is clearly written, with good explanations of the topics at hand and how-to's scattered throughout each chapter to help drive the points home. It is not a beginners book. If you are just starting your foray into the Linux world, I would suggest reading one of the Ghori or van Vugt books that cover the RHCSA exam. If your work or interests lie more in the Ubuntu/Debian side of Linux, I recommend the excellent "Mastering Ubuntu Server, 4E" from Jay LaCroix also by Packt Publishing. Working through the projects in Jay's book while also following his youtube channel can't help but create a solid foundation.Tevault's book starts where the previously mentioned books stop. Where the RHCSA books give you seven pages that cover the journald firewall (more than enough info for the exam), Trevaualt gives you five times that just to cover ip- and nftables and then follows that with another chapter that covers journald and Ubuntu's ufw firewalls. A chapter on encryption covers the use of GPG for email confidentiality and integrity, encrypting partitions or whole disks, and working with the OpenSSL library and the PKI. On more than one occasion I have been asked in cybersecurity interviews to discuss what I know about encryption, so this section I find very helpful. What I learned in the Access Contol chapters, I never would have thought to google for investigation. I learned something new from every chapter."Mastering Linux Security and Hardening, 3E" sparked many idea's for me on improving my configuration scripts and simpler bash one-offs. I could see using it to update old knowledge base articles. The book also proved quite helpful in providing additional details for common subjects which I thought I knew well. We have all seen the one-star reviews on Amazon with the rant "this all can be found for free online". Not if you don't know what it is you don't know, and this book helps to alleviate that problem.Buy this book, and keep it within arm's reach. It is that good.

Mastering Linux Security and Hardening: A practical guide to protecting your Linux system from cyber attacks , Third Edition

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Mastering Linux Security and Hardening: A practical guide to protecting your Linux system from cyber attacks , Third Edition

What do you get with Print?

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Description

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What you will learn

Product Details

What do you get with Print?

Product Details

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