Book Image

Linux for System Administrators

By : Viorel Rudareanu, Daniil Baturin
Book Image

Linux for System Administrators

By: Viorel Rudareanu, Daniil Baturin

Overview of this book

Linux system administration is an essential aspect of maintaining and managing Linux servers within an organization. The role of a Linux system administrator is pivotal in ensuring the smooth functioning and security of these servers, making it a critical job function for any company that relies on Linux infrastructure. This book is a comprehensive guide designed to help you build a solid foundation in Linux system administration. It takes you from the fundamentals of Linux to more advanced topics, encompassing key areas such as Linux system installation, managing user accounts and filesystems, networking fundamentals, and Linux security techniques. Additionally, the book delves into the automation of applications and infrastructure using Chef, enabling you to streamline and optimize your operations. For both newcomers getting started with Linux and professionals looking to enhance their skills, this book is an invaluable hands-on guide with a structured approach and concise explanations that make it an effective resource for quickly acquiring and reinforcing Linux system administration skills. With the help of this Linux book, you’ll be able to navigate the world of Linux administration confidently to meet the demands of your role.
Table of Contents (21 chapters)
1
Part 1: Linux Basics
7
Part 2: Configuring and Modifying Linux Systems
13
Part 3: Linux as a Part of a Larger System

Cookbook development

Cookbooks are the core units of configuration management in Chef. They consist of a collection of related recipes, attributes, templates, and other files required to configure and manage specific aspects of the infrastructure. Cookbooks are organized into directories, each representing a specific component or service to be managed.

Cookbook structure and components

A cookbook follows a specific directory structure that includes the following components:

  • Recipes: Recipes are the primary building blocks of a cookbook. They define the steps and resources required to configure a specific component or service. Recipes can include other recipes and leverage attributes to define the desired state.
  • Attributes: Attributes allow administrators to define variables that customize the behavior of recipes. They can be used to specify package versions, file paths, service configurations, and other parameters.
  • Templates: Templates are used to generate configuration...