iliion/install_docker.md

## install_docker.md

      
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              install_docker.md
            
          
    Uninstall previous versions
sudo apt-get remove docker docker-engine docker.io containerd runc

INSTALL DOCKER

sudo apt-get update -y

sudo apt-get -y install \
    apt-transport-https \ 
    ca-certificates \
    curl \
    gnupg \
    lsb-release

Add Docker’s official GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

Set up the stable repository
echo \
  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

Install  DOCKER ENGINE
sudo apt-get update -y

sudo apt-get install -y docker-ce docker-ce-cli containerd.io

List the versions available in your repo
apt-cache madison docker-ce`

Select Version

sudo apt-get install docker-ce=<VERSION_STRING> docker-ce-cli=<VERSION_STRING> containerd.io

Test
sudo docker run hello-world