systemd for Linux SysAdmins: All You Need to Know About the systemd Suite for Linux Users

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2025

D. Bothsystemd for Linux SysAdminshttps://doi.org/10.1007/979-8-8688-1328-3_8

8. Using systemd Timers

David Both¹  

(1)

Raleigh, NC, USA

 

Objectives

In this chapter, you will learn

• More about using the systemctl command

• How to view the existing systemd maintenance timers

• To test calendar event expressions

• To create a Bash program that will be used by a timer

• To create a timer

• To describe and create the different types of timers

Overview

Every one of my physical computers and VMs has at least nine active timers. Each of those timers triggers a program—usually a Bash script—that performs a specific maintenance task. systemd timers provide a more fine-grained control of ...