Ubuntu上安装Docker

添加Docker官方仓库

sudo apt update
sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

安装Docker

sudo apt update
sudo apt install docker-ce

启动Docker服务

sudo systemctl status docker

验证安装

docker --version