ubuntu安装docker

1.

sudo apt update

2.

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

3.

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

4.

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

5.

sudo apt update

6.

sudo apt install docker-ce