Book Image

Mastering Linux Administration

By : Alexandru Calcatinge, Julian Balog
Book Image

Mastering Linux Administration

By: Alexandru Calcatinge, Julian Balog

Overview of this book

Linux plays a significant role in modern data center management and provides great versatility in deploying and managing your workloads on-premises and in the cloud. This book covers the important topics you need to know about for your everyday Linux administration tasks. The book starts by helping you understand the Linux command line and how to work with files, packages, and filesystems. You'll then begin administering network services and hardening security, and learn about cloud computing, containers, and orchestration. Once you've learned how to work with the command line, you'll explore the essential Linux commands for managing users, processes, and daemons and discover how to secure your Linux environment using application security frameworks and firewall managers. As you advance through the chapters, you'll work with containers, hypervisors, virtual machines, Ansible, and Kubernetes. You'll also learn how to deploy Linux to the cloud using AWS and Azure. By the end of this Linux book, you'll be well-versed with Linux and have mastered everyday administrative tasks using workflows spanning from on-premises to the cloud. If you also find yourself adopting DevOps practices in the process, we'll consider our mission accomplished.
Table of Contents (20 chapters)
Section 1: Linux Basic Administration
Section 2: Advanced Linux Server Administration
Section 3: Cloud Administration


This chapter represents a relatively condensed view of basic Linux networking principles. We have learned about network communication layers and protocols, IP addressing schemes, TCP/IP configurations, well-known network application servers, and VPN. A good grasp of networking paradigms will give Linux administrators a more comprehensive view of the distributed systems and underlying communication between the application endpoints involved.

Some of the theoretical aspects covered in this chapter are taken for a practical spin in Chapter 8, Configuring Linux Servers, focusing on real-world implementations of network servers. Chapter 9, Securing Linux, will further explore network security internals and practical Linux firewalls. Everything we have learned so far will serve as a good foundation for the assimilation of these upcoming chapters.