Installing Docker on Ubuntu is easy! Follow these steps to get Docker running on your system.
Step 1: Update and Install Required Packages#
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyringsStep 2: Add Docker’s Official GPG Key#
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.ascStep 3: Add Docker Repository#
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get updateStep 4: Install Docker#
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-pluginStep 5: Verify Installation#
sudo docker run hello-worldStep 6: Enable Docker on Boot#
sudo systemctl enable docker.service
sudo systemctl enable containerd.serviceStep 7: Optional: Update & Upgrade System#
sudo apt update
sudo apt upgradeStep 8: Manage Docker as a Non-root User#
sudo groupadd docker
sudo usermod -aG docker <user>
sudo usermod -aG docker ubuntu
sudo rebootAfter reboot, test Docker without sudo:
docker psCongratulations! Docker is now installed and ready to use.
For more info, you can check the official Docker docs: Install Docker Engine on Ubuntu.
