sudo apt install -y apt-transport-https ca-certificates curl gnupg-agent software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gps

sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo apt-key fingerprint
sudo apt-key fingerprint 0EBFCD88
"deb [arch=$(dpkg --print-architecture) 
signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | udo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update
sudo apt-cache policy docker-ce
sudo apt -y install docker-ce
sudo docker version
sudo usermod -aG docker leo(자신의 아이디)
sudo systemctl daemon-reload
sudo systemctl enable docker
sudo sytemctl restart docker
-리눅스 재시작
-moba 재접속
docker version