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

Setting up remote logging with journald

Sometimes, it's handy to set up a central log collection server and have all the other machines on the network send their log files to it.

As I've already said, journald remote logging is still in a proof-of-concept phase and isn't considered ready for production use. Also, most third-party log-aggregation utilities are still set up to use plaintext rsyslog files. So, if you have remote logging on your site or if you need to set up remote logging, you'll most likely use rsyslog.

However, I do realize that some of you might be interested in playing around with a remote journald logging setup. If that's the case, I'd like to direct your attention to the procedure that's linked in the Further reading section. However, be aware that you'll need to install security certificates on the journald log server and all of the clients. This procedure has you install certificates from Let's Encrypt, which...