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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Index

Running Containers

The IT industry never ceases to amaze me. Back when the concept of virtualization came about, it revolutionized the data center. Virtualization allowed us to run many small Virtual Machines (VMs) on one server, effectively allowing us to consolidate the equipment in our server racks. And just when we thought it couldn’t get any better, the concept of containerization took the IT world by storm, allowing us to build portable instances of our software that not only improved how we deploy applications but also changed the way we develop them. In this chapter, we will cover the exciting world of containerization. This exploration will include:

  • What is containerization?
  • Understanding the differences between Docker and LXD
  • Installing Docker
  • Managing Docker containers
  • Automating Docker image creation with Dockerfiles
  • Managing LXD containers

To begin, let’s explore what containerization is, how it differs from...