Docker

Quick docker installation reference.

This is a quick reference to the docker installation steps to take, but you can always check the full installation guide on the official docker website.
Set up the repository
Older versions of Docker were called docker, docker.io, or docker-engine. If these are installed, uninstall them:
sudo apt-get remove docker docker-engine docker.io containerd runc
​
Update the apt package index and install packages to allow apt to use a repository over HTTPS: 
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
​
Use the following command to set up the stable 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
Update the apt package index, and install the latest version of Docker Engine and containerd:
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
​
Verify that Docker Engine is installed correctly by running the hello-world image.
sudo service docker start
sudo docker run hello-world
​
Add User to Docker Group 
sudo usermod -aG docker $USER
you can replace $USER with the name of the user account

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Last modified 11mo ago