docker的安装

Ubuntu安装Docker

Install Docker Engine on Ubuntu | Docker Documentation

curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh ./get-docker.sh --dry-run

Centos安装Docker

curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

也可以依次执行，推荐用官方一键安装脚本

sudo yum install -y yum-utils

sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin