Ubuntu20.04安装docker 新年快乐！！！大年初一，博主在这里献上今年第一篇教程，祝大家兔年安康，万事如意。本篇文章将简单介绍在 Ubuntu20.04 使用 apt 安装 docker，详情请查阅官方文档https://docs.docker.com/engine/install/ubuntu/设置docker官方软件源1、更新 apt 包并允许 apt 通过https使用软件源sudo apt-get update sudo apt-get install \ ca-certificates \ curl \ gnupg \ lsb-release2、添加docker官方GPG keysudo mkdir -p /etc/apt/keyrings curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg3、设置软件源echo \ "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \ $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null安装dockersudo apt-get update sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin以上命令将安装最新版docker、containerd和docker compose查看docker版本docker -v查看docker compose版本docker compose version卸载dockersudo apt-get purge docker-ce docker-ce-cli containerd.io docker-compose-plugin docker-ce-rootless-extras sudo rm -rf /var/lib/docker sudo rm -rf /var/lib/containerd