install docker ubuntu

 $ sudo apt-get update
 $ sudo apt-get install docker-ce docker-ce-cli containerd.io
sudo apt install docker.io$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
$ sudo apt-get update

$ sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common
sudo apt-get update
sudo apt-get upgrade
sudo apt install docker.io
systemctl start docker
systemctl enable docker
docker --version$ curl -fsSL https://get.docker.com -o get-docker.sh
$ sudo sh get-docker.sh

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