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

To test your knowledge of this chapter, answer the following questions:

  1. Which of the following statements is true?

    A. Only GPT partitions can be used on BIOS-based computers.

    B. Only a GPT partition can be used to install GRUB2.

    C. Only a GPT partition can be used to install systemd-boot.

    D. Only an MBR partition can be used to install systemd-boot.

  2. How does GRUB2 work with Secure Boot?

    A. It uses the shim system.

    B. Its files are directly signed by Microsoft.

    C. GRUB2 doesn't work with Secure Boot.

  3. How does systemd-boot work?

    A. It uses the grubx64.efi file to activate the bootloader.

    B. It copies the kernel file over to a file with a .efi filename extension so that the kernel can act as its own bootloader.

    C. It directly calls in the Linux kernel from the /boot/ directory.

    D. It doesn't work at all.

  4. What is necessary to make Secure Boot work?

    A. Nothing. It works on all computers.

    B. That the machine has a BIOS chip, and that TPM is enabled.

    C. That the...