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Create a Custom Image with the Given Specifications

For this exercise, the goal is to create a custom image with the given specifications. We must first initialize LXD with default options. Then, we need to create a container with a CentOS 7 image. Afterwards, we must install and enable Apache web server and MariaDB. Next, we publish our container and create a local image. Lastly, we must create a container from the newly-created image and verify that Apache web server and MariaDB are both running.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 45m
Published
Clock icon May 15, 2020

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Table of Contents

  1. Challenge

    Initialize LXD and Create a Container with the CentOS 7 Image

    Initialize LXD with default options.

    lxd init

    Create a container with the Centos 7 image.

    lxc launch images:centos/7/amd64 our-test-container

  2. Challenge

    Install and Enable Apache Web Server and MariaDB

    Access the container.

    lxc exec our-test-container bash

    Install Apache and MariaDB.

    yum install httpd mariadb-server mariadb

    Enable installed services.

    systemctl start httpd 
systemctl enable httpd
systemctl status httpd  

    systemctl start mariadb
systemctl enable mariadb 
systemctl status mariadb 

    exit

  3. Challenge

    Publish the Container and Create a Local Image

    lxc stop our-test-container 

    lxc publish our-test-container --alias my-new-image

    lxc delete our-test-container

  4. Challenge

    Create a Container from the Newly-Created Image and Verify Apache Web Server and MariaDB are Both Running

    lxc launch my-new-image our-new-container

    lxc exec our-new-container bash

    systemctl status httpd 
systemctl status mariadb
A Cloud Guru - Labs - Create a Custom Image with the Given Specifications
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!

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