Book Image

Linux Service Management Made Easy with systemd

4 (1)
Book Image

Linux Service Management Made Easy with systemd

4 (1)

Overview of this book

Linux Service Management Made Easy with systemd will provide you with an in-depth understanding of systemd, so that you can set up your servers securely and efficiently.This is a comprehensive guide for Linux administrators that will help you get the best of systemd, starting with an explanation of the fundamentals of systemd management.You’ll also learn how to edit and create your own systemd units, which will be particularly helpful if you need to create custom services or timers and add features or security to an existing service. Next, you'll find out how to analyze and fix boot-up challenges and set system parameters. An overview of cgroups that'll help you control system resource usage for both processes and users will also be covered, alongside a practical demonstration on how cgroups are structured, spotting the differences between cgroups Version 1 and 2, and how to set resource limits on both. Finally, you'll learn about the systemd way of performing time-keeping, networking, logging, and login management. You'll discover how to configure servers accurately and gather system information to analyze system security and performance. By the end of this Linux book, you’ll be able to efficiently manage all aspects of a server running the systemd init system.
Table of Contents (23 chapters)
Section 1: Using systemd
Section 2: Understanding cgroups
Section 3: Logging, Timekeeping, Networking, and Booting


  1. When you run the sudo systemctl enable httpd command, what will that do for you?

    a. It will start the httpd service.

    b. It will cause httpd to start when you boot the machine and will also do an immediate start.

    c. It will only cause httpd to start when you reboot the machine.

    d. It creates a symbolic link in the /lib/systemd/system/ directory.

  2. What is the effect of using the normal kill command on a service?

    a. It will shut down the service cleanly.

    b. It will shut down the main service process, but it might not shut down the spawned processes.

    c. It won't shut down a service.

    d. You can use kill without sudo privileges to shut down a service.

  3. What is the SIGTERM signal?

    a. It kills a process dead in its tracks without giving it a chance to clean up after itself.

    b. It kills a process when it detects that a terminal window has been resized.

    c. It restarts a process.

    d. It kills a process gracefully, giving it time to clean up after itself.

  4. How would you enable...