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Linux Service Management Made Easy with systemd

Linux Service Management Made Easy with systemd

4.7 (20)
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Linux Service Management Made Easy with systemd

Linux Service Management Made Easy with systemd

4.7 (20)

Overview of this book

Linux Service Management Made Easy with systemd will provide you with an in-depth understanding of systemd, so that you can set up your servers securely and efficiently.This is a comprehensive guide for Linux administrators that will help you get the best of systemd, starting with an explanation of the fundamentals of systemd management.You’ll also learn how to edit and create your own systemd units, which will be particularly helpful if you need to create custom services or timers and add features or security to an existing service. Next, you'll find out how to analyze and fix boot-up challenges and set system parameters. An overview of cgroups that'll help you control system resource usage for both processes and users will also be covered, alongside a practical demonstration on how cgroups are structured, spotting the differences between cgroups Version 1 and 2, and how to set resource limits on both. Finally, you'll learn about the systemd way of performing time-keeping, networking, logging, and login management. You'll discover how to configure servers accurately and gather system information to analyze system security and performance. By the end of this Linux book, you’ll be able to efficiently manage all aspects of a server running the systemd init system.
Table of Contents (23 chapters)
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1
Section 1: Using systemd
12
Section 2: Understanding cgroups
16
Section 3: Logging, Timekeeping, Networking, and Booting

Understanding networkd and resolved

The traditional NetworkManager has been around for quite some time, and it's still the most appropriate solution for most Linux desktops and laptops. The main reason that Red Hat developed it was to enable Linux-powered laptops to instantly switch back and forth between wired and wireless networks, or from one wireless domain to another. NetworkManager also still works well for just normal Linux servers. All RHEL-type distros and all desktop versions of Ubuntu still use NetworkManager by default.

Note

I'm not always going to type systemd-networkd or systemd-resolved. Unless I'm typing actual commands, I'm just going to shorten the names to networkd and resolved, which is what most people do anyway.

You already know that I have this creepy habit of reading your mind. So, I know that you're thinking, But Donnie, if NetworkManager is so good, why do we need networkd and resolved? Ah, I'm glad you asked. It&apos...

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