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Fedora Linux System Administration

Fedora Linux System Administration

By : Alex Callejas
5 (5)
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Fedora Linux System Administration

Fedora Linux System Administration

5 (5)
By: Alex Callejas

Overview of this book

Fedora Linux is a free and open-source platform designed for hardware, clouds, and containers that enables software developers and community members to create custom solutions for their customers. This book is a comprehensive guide focusing on workstation configuration for the modern system administrator. The book begins by introducing you to the philosophy underlying the open-source movement, along with the unique attributes of the Fedora Project that set it apart from other Linux distributions. The chapters outline best practices and strategies for essential system administration tasks, including operating system installation, first-boot configuration, storage, and network setup. As you make progress, you’ll get to grips with the selection and usage of top applications and tools in the tech environment. The concluding chapters help you get a clear understanding of the basics of version control systems, enhanced Linux security, automation, virtualization, and containers, which are integral to modern system administration. By the end of this book, you’ll have gained the knowledge needed to optimize day-to-day tasks related to Linux-based system administration.
Table of Contents (20 chapters)
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1
Part 1:The Fedora Project
3
Part 2:Workstation Configuration
8
Part 3:Productivity Tools
13
Part 4:System Administration Tools

Untangling Security with SELinux

Security, Hardening, Compliance, and Policy: these are the four horsemen of the SysAdmin apocalypse. One of the big battles is maintaining the security of the systems. Besides the daily tasks, the security of the systems is part of the job, even those systems where the third-party provider asks us to deactivate the enhanced security. In most of these cases, an analysis is enough to find the right troubleshooting method or a workaround.

Security-Enhanced Linux (SELinux) is a code that runs in the user space, leveraging kernel code (Linux Security Modules) to provide mandatory access control (MAC) over system resources. The access to system objects and features takes place on a per-domain basis following the principle of least privilege.

In this chapter, we are going to learn how to take advantage of the benefits of SELinux to secure managed systems, covering the following main topics:

  • Learning about mandatory access control
  • Labeling...
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