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Publishing a LXD Image

While a number of public LXD images exist, we do not want to be stuck updating the same base image in perpetuity. Instead, we can take an already-configured container and publish it to a remote so it can be pulled down and used as any other image. In this lab, we do just that -- create a new image, then try it out on a few different LXD hosts!

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 15m
Published
Clock icon Apr 03, 2020

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Table of Contents

  1. Challenge

    Create an Image Based on the Provided Container

    Add the remote:

    lxc remote add lxd-share 10.0.1.110

    List the available containers to retrieve the container name:

    lxc list

    Take an initial snapshot of the provided image:

    lxc snapshot web01 1.0

    Create an image:

    lxc publish local:web01/1.0 lxd-share: --alias nginx-alpine

  2. Challenge

    Test the Image Locally

    Create a container on the current host to ensure the image is working:

    lxc launch lxd-share:nginx-alpine web02

  3. Challenge

    Test the Image on a Different LXD Host

    Log in to the second dev server, add the remote, and run the lxc launch command:

    lxc remote add lxd-share 10.0.1.110
lxc launch lxd-share:nginx-alpine web
A Cloud Guru - Labs - Publishing a LXD Image
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

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