Managing system services with systemd
In this section, you will learn how to manage System Services, runtime targets, and all about the service status with systemd. You will also learn how to manage system boot targets and services that should start at system boot.
systemd (which you can learn a bit about at https://www.freedesktop.org/wiki/Software/systemd/) is defined as a system daemon that's used to manage the system. It came as a rework of how a system boots and starts, and it looks at the limitations related to the traditional way of doing it.
When we think about system starting, we have the initial kernel and ramdisk load and execution, but right after that, services and scripts take control to make filesystems available. This helps prepare the services that provide the functionality we want from our system, such as the following:
- Hardware detection
- Additional filesystem activation
- Network initialization (wired, wireless, and so on)
- Network services...
