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Linux System Programming Techniques

You're reading from Linux System Programming Techniques Become a proficient Linux system programmer using expert recipes and techniques

Product type Paperback

Published in May 2021

Publisher Packt

ISBN-13 9781789951288

Length 432 pages

Edition 1st Edition

Tools

Linux

Concepts

System Programming

Author (1):

Jack-Benny Persson

View More author details

Table of Contents (14) Chapters

Preface

1. Chapter 1: Getting the Necessary Tools and Writing Our First Linux Programs

2. Chapter 2: Making Your Programs Easy to Script FREE CHAPTER

3. Chapter 3: Diving Deep into C in Linux

4. Chapter 4: Handling Errors in Your Programs

5. Chapter 5: Working with File I/O and Filesystem Operations

6. Chapter 6: Spawning Processes and Using Job Control

7. Chapter 7: Using systemd to Handle Your Daemons

8. Chapter 8: Creating Shared Libraries

9. Chapter 9: Terminal I/O and Changing Terminal Behavior

10. Chapter 10: Using Different Kinds of IPC

11. Chapter 11: Using Threads in Your Programs

12. Chapter 12: Debugging Your Programs

13. Other Books You May Enjoy

Chapter 7: Using systemd to Handle Your Daemons

Now that we know how to build our own daemons, it's time to see how we can get Linux to handle them using systemd. In this chapter, we will learn what systemd is, how to start and stop services, what unit files are, and how to create them. We will also learn how daemons are logged to systemd and how we read those logs.

We will then learn about different kinds of services and daemons that systemd can handle and put the daemon from the previous chapter under systemd control.

In this chapter, we'll cover the following recipes:

Getting to know systemd
Writing a unit file for a daemon
Enabling and disabling a service—and starting and stopping it
Creating a more modern daemon for systemd
Making the new daemon a systemd service
Reading the journal

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Authors (1)

Jack-Benny Persson

Jack-Benny Persson

Jack-Benny Persson is a consultant and author based in Sweden. He has written several books about Linux and programming. His passion for Linux and other Unix-like systems started as a hobby more than 20 years ago. Since then, he has spent most of his spare time reading about Linux, tinkering with Linux servers, and writing about Linux administration. Today he has his own IT and media company in Sweden that focuses on Linux. Jack-Benny holds an Advanced Higher Vocational Education Diploma as a Linux system specialist. He has also studied electronics, networking, and security.

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