ubuntu版本:20.04
阿里巴巴开源镜像网站:https://developer.aliyun.com/mirror/
sudo apt-get remove docker docker-engine docker.io containerd runc
sudo apt-get update
sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
gnupg-agent \
software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
//通过搜索指纹的后8个字符,验证现在是否拥有带有指纹的密钥
sudo apt-key fingerprint 0EBFCD88
//结果:
pub rsa4096 2017-02-22 [SCEA]
9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88
uid [ unknown] Docker Release (CE deb) <docker@docker.com>
sub rsa4096 2017-02-22 [S]
sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
//更新apt程序包索引,并安装最新版本的Docker Engine和容器
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
6、通过运行hello-world 映像来验证是否正确安装了Docker Engine
sudo docker run hello-world
结果:Hello from Docker!如下图
参考文档:https://blog.csdn.net/qq_36335426/article/details/111308213