Understanding what happens when a `systemd` system boots up and is running is essential to being able to use it properly and manage it.
In this lab, we’ll show you how to use the included tools to see your `systemd` startup sequences, both command line and also as a graphical plot. You’ll come out of the lab with a clear understanding of what happened during a boot, how long each component took, and how long it took overall, as well as the structure of what a running system looks like.
Learning Objectives
Successfully complete this lab by achieving the following learning objectives:
- Viewing the Process Tree for a System
View the process tree for a
systemdsystem.- View systemd Startup Order and Dependencies
View
systemdStartup Order and Dependencies.- Plot out the systemd Boot Hierarchy
Plot out the
systemdBoot Hierarchy.- Plot out the systemd Target Layout
Plot out the
systemdTarget Layout.
