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)
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Transferring files with SCP

A useful alternative to rsync is the Secure Copy (SCP) utility, which comes bundled with the OpenSSH client. It allows you to quickly copy files from one node to another. While rsync also allows you to copy files to other network nodes via SSH, SCP is more practical for one-off tasks; rsync is geared toward more complex jobs. If your goal is to send a single file or a small number of files to another machine, SCP is a great tool you can use to get the job done. If nothing else, it’s yet another item for your administration toolbox. To utilize SCP, we’ll use the scp command. Since you most likely already have the OpenSSH client installed, you should already have the scp command available. If you execute which scp, you should receive the following output:


If you don’t see any output, make sure that the openssh-client package is installed.

Using SCP is very similar in nature to rsync. The command requires a source...