系统版本
ubuntu~18.04
安装docker仓库
# 删除旧版本
sudo apt-get remove docker docker-engine docker.io containerd runc
# 更新包索引
sudo apt-get update
# 安装包
sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
gnupg-agent \
software-properties-common
#添加docker的官方GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key fingerprint 0EBFCD88
sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
#
安装docker engine社区版
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
## 运行demo
sudo docker run hello-world
卸载docker engine社区版
sudo apt-get purge docker-ce
sudo rm -rf /var/lib/docker