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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

Understanding file formats and filesystems

A filesystem allows the operating system to find the data it stores on its local disk. These basic addressable storage units make a block (usually about 4,096 bytes in size). To find the contents of files, among the large number of available storage blocks, it uses inodes. An inode contains information about a file in a particular formatted storage block, such as its size, location, access rules (i.e., who can read, write, or execute the file), and much more.

Starting with Fedora Linux 33, the default filesystem format on Workstation Edition is Btrfs. Unlike other distributions that still use xfs or even ext4, Btrfs is a copy-on-write (COW) filesystem for Linux that implements many advanced features.

In a COW filesystem, once modified, a file is not written back to the same block on disk; it’s more like a redirect. This is for the preservation of the original data and to ensure writing the new data to unoccupied inodes. This allows...

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