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LXC Lab
In this lab, you will setup a LXC.
Requirements:
Participants are requested to have a computer with Windows 8/10/11 (8GB RAM, 25GB free disk space) with Virtualbox (version 6 or higher) hypervisor and PuTTY installed.
In Virtualbox, 'Extension pack' should be installed.
A wired internet connection is preferred.
Virtual Machine (VM) Setup
Download VM from the following Link.
https://docs.learn.ac.lk/index.php/s/YcojJ2544b40Zw4
Import the VM to Virtualbox.
Username and Password: docker
May have to create Virtualbox Host-Only Network Adapter
File > Host Network Manager > Create
Test internet connectivity.
Login using PuTTY.
Setup LXC
Initiate LXC.
sudo lxd init
Cloning
Docker Lab
In this lab, you will setup Docker and customize Docker images.
Requirements:
Same as the above LXC lab.
VM Setup
Download VM from the following Link.
https://docs.learn.ac.lk/index.php/s/YcojJ2544b40Zw4
Import the VM to Virtualbox.
Username and Password: docker
May have to create Virtualbox Host-Only Network Adapter
File > Host Network Manager > Create
Test internet connectivity.
Login using Putty.
Login as root to the provided VM.
Setup Docker
apt-get install -y docker.io systemctl enable docker.service
Managing Docker
List Docker images
docker image ls
Docker image search
docker search <image name>
Download a Docker image
docker pull <image name>
List docker containers that are currently running
docker container ls
Run a Docker image
docker run -d --name <name> -p 80:80 -d <image name>
Stop a Docker container
docker stop <container name/ID>
Setup a Docker image
Create a directory and go inside it.
mkdir <directory name> cd <directory name>
Make Dockerfile and insert the following content to it.
FROM php:8.0-apache COPY index.php /var/www/html/ EXPOSE 80 CMD apachectl -D FOREGROUND
Make index.php and insert the following content to it.
<!DOCTYPE html>
<html>
<body>
<?php
date_default_timezone_set("Asia/Colombo");
echo "The time is " . date("h:i:sa");
?>
</body>
</html>
Docker Hub Account Setup
Create an account
Choose ‘Personal Plan’ (Continue with free) if asked
Create a Repository
Build a Docker image
docker build . -t <Docker Hub username>/<repository name>:v1
.
Share a Docker image
docker login -u <docker hub username> docker push <docker hub username>/<respository name>:v1 docker logout
Now you can view the uploaded Docker image in your Docker Hub account.
