1) Install prerequisites ```bash sudo apt-get install curl gnupg ca-certificates lsb-release ``` 2) Add Docker's GPG key and repo ```bash curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg 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 ``` - If errors occur with subsequent `apt update` , edit `/etc/apt/sources.list.d/docker.list` to remove "linux/ubuntu kali-rolling" and replace with "linux/debian trixie stable" 3) Install Docker-ce and Docker Compose plugin ```bash sudo apt update sudo apt install docker-ce docker-ce-cli containerd.io docker-compose-plugin ``` 4) Verify install ```bash sudo docker run hello-world docker-compose --version ``` 5) Add user to docker group ```bash sudo usermod -aG docker $USER #adds currne tuser to docker group newgrp docker #updates your group memberships in current session ```