Ubnutu20.04安装Docker

1 sudo apt-get remove docker docker-engine docker.io containerd runc

2

sudo apt-get update

3

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

4

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

5

sudo apt-key fingerprint 0EBFCD88

6

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

7

sudo apt-get update

8

sudo apt-get install docker-ce docker-ce-cli containerd.io

9

sudo docker run hello-world