Install Docker on First Ubuntu

Install Docker apt 

 # Add Docker's official GPG key:

sudo apt-get update

sudo apt-get install ca-certificates curl

sudo install -m 0755 -d /etc/apt/keyrings

sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc

sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:

echo \

 "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \

 $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \

 sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update 

 Install Docker packages 

 sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin 

 Config sudo docker without sudo command 

 sudo groupadd docker

sudo usermod -aG docker $USER

newgrp docker 

 Logout SSH and re-connect 

 Test 

 docker run hello-world

 

 Next: Set up the nfs storage