Ubuntu 26.04 LTS Practical Security and Hardening: Protect Your Workstation, Secure User Access, Harden Network Services, Manage Permissions, and Reduce Common Security Risks - Softcover

Amsel, Leon

9798193627807: Ubuntu 26.04 LTS Practical Security and Hardening: Protect Your Workstation, Secure User Access, Harden Network Services, Manage Permissions, and Reduce Common Security Risks

Softcover

ISBN 13: 9798193627807

Verlag: Independently published, 2026

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Von EUR 20,89

How secure is your Ubuntu workstation right now? Are unnecessary services exposed, user privileges broader than they need to be, or development tools requesting access you did not expect? For developers, a secure workstation should protect important files and services without creating new problems in the process.
Ubuntu 26.04 LTS Practical Security and Hardening is a hands-on guide for developers who want to strengthen their Ubuntu systems through practical, controlled security measures. Instead of overwhelming you with security theory, this book focuses on identifying common weaknesses, applying appropriate protections, verifying the results, and recovering safely when a security change affects legitimate work.
Starting from a fresh Ubuntu 26.04 LTS installation, you will learn how to establish a practical security baseline and progressively improve workstation protection. The procedures emphasize clear commands, configuration steps, verification checks, and troubleshooting techniques that help you understand what changed and whether it is working as intended.
Inside, you will learn how to:

Establish a practical Ubuntu security baseline and identify unnecessary exposure.
Create safer user accounts and control administrative privileges.
Strengthen authentication and secure remote access.
Configure firewall rules while avoiding unnecessary network exposure.
Manage application confinement and investigate access restrictions.
Correct unsafe file ownership and permissions.
Protect sensitive configuration files and security-related logs.
Review running services and reduce unnecessary system exposure.
Apply appropriate system-level security settings without blindly changing configurations.
Protect sensitive data with suitable encryption options.
Monitor authentication activity and investigate suspicious access attempts.
Perform practical security checks and maintain your security configuration over time.
Troubleshoot problems caused by hardening changes and safely restore working configurations.

The book also emphasizes an important principle: security should support your development workflow, not unnecessarily interfere with it. Before significant changes, you will learn to assess the current configuration, understand the potential impact, make controlled adjustments, and verify both security and functionality afterward.
Whether you are setting up Ubuntu 26.04 LTS for development, improving an existing workstation, or learning practical Linux security administration, this guide gives you a structured way to reduce common risks and maintain a more controlled system.
Take a practical approach to Ubuntu security. Get the guide and start strengthening your workstation one verified step at a time.

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