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Managing Files on LXD Containers

LXD offers a command-line interface for efficiently managing files on our Linux containers. We can both push and pull files to and from our containers, or leverage the `edit` command to edit files without ever having to log in to the container directly. In this lab, we'll be using all of these commands to configure Apache on an Ubuntu Linux host.

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Path Info

Clock icon Beginner
Clock icon 15m
Clock icon Apr 03, 2020

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Table of Contents

  1. Challenge

    Create the containerhub Configuration

    1. Copy an existing profile:

      lxc file pull web01/etc/apache2/sites-available/000-default.conf containerhub.conf
    2. Update the containerhub.conf file:

      vim containerhub.conf
      <VirtualHost *:80>
       ServerName www.containerhub.example
       ServerAdmin hub@localhost
       DocumentRoot /var/www/html
       ErrorLog ${APACHE_LOG_DIR}/error.log
       CustomLog ${APACHE_LOG_DIR}/access.log combined
    3. Push the file to the container:

      lxc file push containerhub.conf web01/etc/apache2/sites-available/containerhub.conf
    4. Confirm the file was added:

      lxc file edit web01/etc/apache2/sites-available/containerhub.conf
  2. Challenge

    Enable the New Configuration

    1. Remove the old 000-default.conf configuration from the sites-enabled directory:

      lxc file delete web01/etc/apache2/sites-enabled/000-default.conf
    2. Enable the new configuration:

      lxc exec web01 -- a2ensite containerhub
      lxc exec web01 -- systemctl reload apache2
  3. Challenge

    Test the New Configuration

    1. Update the index.html file to say a simple sentence:

      lxc file edit web01/var/www/html/index.html
      Website test
    2. Retrieve the private IP address of the container:

      lxc list
    3. Curl the website:

      curl <web01_private_ip>

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