install docker within linux
under ubuntu 20.04
source of inspiration
Install Docker Engine on Ubuntu
Installation and test
Set up the repository
sudo apt-get update
sudo apt-get install \
ca-certificates \
curl \
gnupg \
lsb-release
# Add Docker’s official GPG key
sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
# set up the Docker repository
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.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
# Install Docker Engine
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
Test
sudo docker run hello-world
> Hello from Docker!
> [...]