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CoreOS Essentials by Rimantas Mocevicius

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Chapter 3. Getting Started with systemd and fleet

In this chapter, we will cover the basics of systemd and fleet, which includes system unit files. We will demonstrate how to use a fleet to launch Docker containers.

We will cover the following topics in this chapter:

  • Getting started with systemd
  • Getting started with fleet

Getting started with systemd

You are going to learn what systemd is about and how to use systemctl to control systemd units.

An overview of systemd

The systemd is an init system used by CoreOS for starting, stopping, and managing processes.

Basically, it is a system and service manager for CoreOS. On CoreOS, systemd will be used almost exclusively to manage the life cycle of Docker containers. The systemd records initialization instructions ...

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