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)
1
Section 1: Using systemd
12
Section 2: Understanding cgroups
16
Section 3: Logging, Timekeeping, Networking, and Booting

Questions

  1. How does the systemd-logind service get activated?

    A. As part of the multi-user target

    B. As part of the graphical target

    C. When it receives a dbus message

    D. As part of the sysinit target

  2. What happens when two different users remotely log into a Linux server?

    A. They both get assigned to seat0.

    B. One gets assigned to seat0 and the other gets assigned to seat1.

    C. They both get assigned to seat1.

    D. Neither of them gets an assigned seat.

  3. In which of the following files does systemd-logind look to find out how to do user authentication?

    A. /etc/nsswitch.conf

    B. /etc/default/nsswitch.conf

    C. /etc/sysconfig/nsswitch.conf

    D. /etc/authenticate.conf

  4. Which of the following statements is true about polkit?

    A. In its default configuration, it works with only a pre-defined set of administrative commands.

    B. In its default configuration, it works with all administrative commands, just as sudo does.

    C. It only works with the root user password.

    D. It can only be used on text-mode...