Book Image

Mastering Ubuntu Server - Fourth Edition

By : Jay LaCroix
4.7 (7)
Book Image

Mastering Ubuntu Server - Fourth Edition

4.7 (7)
By: Jay LaCroix

Overview of this book

Ubuntu Server is taking the server world by storm - and for a good reason! The server-focused spin of Ubuntu is a stable, flexible, and powerful enterprise-class distribution of Linux with a focus on running servers both small and large. Mastering Ubuntu Server is a book that will teach you everything you need to know in order to manage real Ubuntu-based servers in actual production deployments. This book will take you from initial installation to deploying production-ready solutions to empower your small office network, or even a full data center. You'll see examples of running an Ubuntu Server in the cloud, be walked through set up popular applications (such as Nextcloud), host your own websites, and deploy network resources such as DHCP, DNS, and others. You’ll also see how to containerize applications via LXD to maximize efficiency and learn how to build Kubernetes clusters. This new fourth edition updates the popular book to cover Ubuntu 22.04 LTS, which takes advantage of the latest in Linux-based technologies. By the end of this Ubuntu book, you will have gained all the knowledge you need in order to work on real-life Ubuntu Server deployments and become an expert Ubuntu Server administrator who is well versed in its feature set.
Table of Contents (26 chapters)
24
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25
Index

Troubleshooting Ubuntu Servers

So far, we’ve covered many topics surrounding Ubuntu Server and worked on some really fun projects. We’ve set up web servers, built automation, and even created infrastructure in the cloud. As the applications and services you’ve implemented age, your organization may depend on them more and more. But what happens if something your organization relies on suddenly becomes unavailable? What do you do when things don’t quite go according to plan?

While it’s impossible for us to account for every possible problem that may come up, there are some common places to look for clues when you run into a problem. In this chapter, we’ll take a look at some common starting points and techniques that you can utilize when it comes to troubleshooting issues with your servers. Building solid troubleshooting skills is an important focus, and with the concepts explored here, you’ll be well on your way.

In this chapter...