Accessing the VM via Guacamole:

• Use Ctrl+Alt+Shift to enable copy-paste in Guacamole.

Docker Installation:

1. Follow the [official documentation](https://docs.docker.com/engine/install/ubuntu/) to install Docker on Ubuntu using the repository.
2. Run the following commands:
   

   sudo apt update
   sudo apt install docker-ce docker-ce-cli containerd.io

• Or use the one-liner installation (less secure):
  

  curl -sSL https://get.docker.com | sudo sh

Installation Verification:

• Run 'sudo docker run hello-world' to verify the installation.

• Add your user to the Docker group to run Docker without sudo.
  

  sudo usermod -aG docker <user>
  sudo reboot  # Restart the VM to apply the changes.

• Add Docker and Docker Compose autocompletion to bash:
  

  sudo apt update
  sudo apt install bash-completion curl
  sudo mkdir /etc/bash_completion.d/
  sudo curl -L https://raw.githubusercontent.com/docker/docker-ce/master/components/cli/contrib/completion/bash/docker -o /etc/bash_completion.d/docker.sh
  sudo curl -L https://raw.githubusercontent.com/docker/compose/1.24.1/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose

- Basic Commands:

docker info  # Displays information about the Docker engine.
docker ps    # Displays running containers.
docker ps -a # Displays all containers.

• Container Manipulation:
• Start a Debian container in attached mode: `docker run debian`
• For container manipulation, refer to useful commands [here](https://devhints.io/docker).

- Download and run an Nginx container:

docker pull nginx
docker run --name "test_nginx" nginx

- To access Nginx, configure the port correctly:

docker stop test_nginx
docker rm test_nginx
docker run -p 8080:80 --name "test_nginx" nginx

- Launch a Funkwhale container:

docker run --name funky_container -p 80:80 funkwhale/all-in-one:1.0.1
docker rm -f funky_container  # Remove the container after use.

- Create a network for Wordpress:

docker network create wordpress

- Download and run a MySQL container:

docker run --name mysql_container -e MYSQL_ROOT_PASSWORD=<password> -e MYSQL_DATABASE=<dbname> -e MYSQL_USER=<dbuser> -e MYSQL_PASSWORD=<dbpassword> -d mysql:5.7

- Download and run a Wordpress container:

docker run --name wordpress_container -p 8080:80 --network wordpress -e WORDPRESS_DB_HOST=mysql_container -e WORDPRESS_DB_USER=<dbuser> -e WORDPRESS_DB_PASSWORD=<dbpassword> -e WORDPRESS_DB_NAME=<dbname> -d wordpress

- Remove stopped containers:

docker rm $(docker ps -aq -f status=exited)

- Remove an image:

docker rmi <image_id>

- Decompose a Docker container:

docker export <container_name> -o container.tar
tar -C container_decompressed -xvf container.tar

- Launch a Portainer instance:

docker volume create portainer_data
docker run --detach --name portainer -p 9000:9000 -v portainer_data:/data -v /var/run/docker.sock:/var/run/docker.sock portainer/portainer-ce

• Access the Portainer interface via [http://localhost:9000].
• Create an admin account and explore the Portainer interface.
• Use Portainer to create containers and manage your Docker installation.