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

Understanding the difference between on-premises and cloud infrastructure

As mentioned at the very beginning of this chapter, we’ve been solely utilizing on-premises Ubuntu installations thus far. Even if we’re running Ubuntu on a virtual machine in our data center, it’s still considered an on-premises installation even when it’s not on physical hardware. In short, an on-premises installation is something that resides locally with us, regardless of the type of server that serves as the foundation.

The first difference when it comes to cloud computing might be somewhat obvious: it’s the exact opposite of a resource being on-premises. With a cloud instance of Ubuntu, it’s someone else’s hardware that it runs on. Most of the time, we won’t know what kind of server a cloud instance is running on—when we subscribe to the services of a cloud provider and pay a fee to run a server on that platform, we’re able to access...