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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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Lab platform
Lab Info
Level
Intermediate
Last updated
Aug 15, 2025
Duration
45m

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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
    
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