Linux安装Docker

CentOS 7

#卸载旧版本docker相关软件

yum remove docker                   docker-client                   docker-client-latest                   docker-common                   docker-latest                   docker-latest-logrotate                   docker-logrotate                   docker-selinux                   docker-engine-selinux                   docker-engine

#安装依赖包

yum install -y yum-utils   device-mapper-persistent-data   lvm2

#配置docker的yum源

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

#安装docker-ce

yum install docker-ce -y

#启动并查看docker信息

systemctl start docker
docker info

#卸载docker

yum remove docker-ce
rm -fr /var/lib/docker

Ubuntun 14.06/16.04/18.04

#卸载docker旧版本相关软件

apt-get remove docker docker-engine docker.io

#安装证书

apt-get install     apt-transport-https     ca-certificates     curl     software-properties-common

#添加docker源的key

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

#升级apt-get包

apt-get update

#安装docker-ce

apt-get install docker-ce

#卸载docker-ce

apt-get purge docker-ce
rm -fr /var/lib/docker

原文地址：https://www.cnblogs.com/cangyuefeng/p/10213851.html