systemd for Linux SysAdmins
All You Need to Know About the systemd Suite for Linux Users
- English
- ePUB (mobile friendly)
- Available on iOS & Android
About this book
Explore the world of systemd—yes, all lower-case, even at the beginning of a sentence— which is the modern replacement for init and SystemV init scripts. It is also much more. It can evoke a wide range of reactions from SysAdmins and others responsible for keeping Linux systems up and running. The fact that systemd is taking over so many tasks in modern Linux systems has engendered push-back and discord among certain groups of developers and SysAdmins.
You will learn systemd’s strengths and weaknesses, and why there’s no truth in the myth that systemd is a monolithic monstrosity.Learn how systemd is the mother of all processes, and is responsible for bringing the Linux host up to a state in which productive work can be done. You’ll learn about the functions assumed by systemd, which is far more extensive than the old init program, and how it manages many aspects of a running Linux host, including:
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Mounting filesystems
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Managing hardware
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Creating new systemd services and understanding existing ones
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Creating timers that trigger system maintenance events
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Starting and managing the system services that are required to have a productive Linux host
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Using the systemd journal to access critical performance and problem solving information.
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Why the systemd plan to take over the world is actually a good thing
systemd for Linux SysAdmins is your one-stop shop, giving you everythiing you need to get started and utilize this software suite for Linux operatiing systems.
You Will Learn:
- How to use systemd, what it is, and what it does
- To manage each of the major functional components of systemd and learn from real-world examples to illustrate their typical usage by SysAdmins
- Pragmatic work-arounds, hints and tricks to minimize issues to ensure you have greater systemd functionality
This Book is for:
Linux system administrators (SysAdmins) who need to or are already in the process of switching from SystemV to systemd. It’s also intended for SysAdmins with more systemd experience but who want to improve their knowledge and skills with systemd.
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Table of contents
- Cover
- Front Matter
- 1. Learning to Love systemd
- 2. Linux Boot and Startup
- 3. Understanding Linux Startup with systemd
- 4. How to Manage Startup Using systemd
- 5. Manage systemd Units with systemctl
- 6. Control Your Computer Time and Date with systemd
- 7. Analyzing systemd Calendar and Time Spans
- 8. Using systemd Timers
- 9. Using systemd Journals
- 10. Managing the Firewall with firewalld
- 11. Resource Management with cgroups
- 12. Using systemd-resolved Name Service
- 13. Replacing rc.local in systemd
- 14. Getting More Out of the Journal
- 15. Analyzing systemd Startup and Configuration
- 16. Why I Support the systemd Plan to Take Over the World
- Back Matter
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