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Ubuntu Server Cookbook

You're reading from   Ubuntu Server Cookbook Arm yourself to make the most of the versatile, powerful Ubuntu Server with over 100 hands-on recipes

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Product type Paperback
Published in Jun 2016
Publisher Packt
ISBN-13 9781785883064
Length 456 pages
Edition 1st Edition
Concepts
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Author (1):
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Uday Sawant Uday Sawant
Author Profile Icon Uday Sawant
Uday Sawant
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Toc

Table of Contents (16) Chapters Close

Preface 1. Managing Users and Groups FREE CHAPTER 2. Networking 3. Working with Web Servers 4. Working with Mail Servers 5. Handling Databases 6. Network Storage 7. Cloud Computing 8. Working with Containers 9. Streaming with Ampache 10. Communication Server with XMPP 11. Git Hosting 12. Collaboration Tools 13. Performance Monitoring 14. Centralized Authentication Service Index

Managing LXD containers – advanced options


In this recipe, we will learn about some advanced options provided by LXD.

How to do it…

Follow these steps to deal with LXD containers:

  1. Sometimes, you may need to clone a container and have it running as a separate system. LXD provides a copy command to create such clones:

    $ lxc copy c1 c2   # lxc copy source destination
    

    You can also create a temporary copy with the --ephemeral flag and it will be deleted after one use.

  2. Similarly, you can create a container, configure it as per you requirements, have it stored as an image, and use it to create more containers. The lxc publish command allows you to export existing containers as a new image. The resulting image will contain all modifications from the original container:

    $ lxc publish c1 --alias nginx   # after installing nginx
    

    The container to be published should be in the stopped state. Alternatively, you can use the --force flag to publish a running container, which will internally stop the container...

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