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Mastering Linux Administration

Mastering Linux Administration

By : Calcatinge, Balog
5 (7)
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Mastering Linux Administration

Mastering Linux Administration

5 (7)
By: Calcatinge, Balog

Overview of this book

Harness the power of Linux in modern data center management, leveraging its unparalleled versatility for efficiently managing your workloads in on-premises and cloud environments. In this second edition, you'll find updates on the latest advancements in Linux administration including containerization, shell scripting, and hypervisors. Written by an experienced Linux trainer, this book will start you off with Linux installation on on-premises systems. As you progress, you’ll master the Linux command line, files, packages, and filesystems. You'll explore essential Linux commands and techniques to secure your Linux environment. New to this edition is a chapter on shell scripting, providing structured guidance on using shell programming for basic Linux automation. This book also delves into the world of containers, with two new chapters dedicated to Docker containers and hypervisors, including KVM virtual machines. Once adept with Linux containers, you'll learn about modern cloud technologies, managing and provisioning container workloads using Kubernetes, and automating system tasks using Ansible. Finally, you'll get to grips with deploying Linux to the cloud using AWS and Azure-specific tools. By the end of this Linux book, you'll have mastered everyday administrative tasks, seamlessly navigating workflows spanning from on-premises to the cloud.
Table of Contents (24 chapters)
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1
Part 1:Basic Linux Administration
7
Part 2:Advanced Linux Administration
13
Part 3:Server Administration
17
Part 4:Cloud Administration

Summary

The relatively vast content of this chapter may appear overwhelming. A key takeaway should be the focus on the frameworks (modules). If we’re discussing firewalls, we should look at packet filtering frameworks such as iptables, Netfilter, and nftables. For access control, we have security modules such as SELinux and AppArmor. We covered some of the pros and cons of each. The pivoting choice, possibly deciding the Linux distro, is between AppArmor and SELinux. One is perhaps swifter than the other, with the related administration effort hanging in the balance. For example, choosing AppArmor would narrow down the major Linux distributions to Ubuntu, Debian, and openSUSE. The distro choice, in turn, would further dictate the available firewall management solutions, and so on.

Mastering the application security frameworks and firewall management tools will help you keep your systems safe with minimal effort. As with any typical Linux system administration task, there...

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