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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
Last updated
Clock icon Apr 06, 2025

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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
Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

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.

Provided environment for hands-on practice

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!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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