Ubuntu 26.04

How to Install Docker on Ubuntu 26.04

To install Docker on Ubuntu 26.04, add Docker’s official repository.

Step 1 : Update.

sudo apt update

Step 2 : Install CA certificates and curl.

sudo apt install ca-certificates curl

Step 3 : Add Docker’s GPG key.

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

Step 4 : Add the repository. Unquoted EOF so $(…) expands (codename / arch).

sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
Types: deb
URIs: https://download.docker.com/linux/ubuntu
Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
Components: stable
Architectures: $(dpkg --print-architecture)
Signed-By: /etc/apt/keyrings/docker.asc
EOF

Step 5 : Update again.

sudo apt update

Step 6 : Install Docker Engine.

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

Step 7 : Check the version.

docker --version

Step 8 : Check Compose.

docker compose version

Step 9 : Run a test container.

sudo docker run hello-world

You have installed Docker on Ubuntu 26.04.