CentOS8 安装 Docker

官方参考文档

https://docs.docker.com/engine/install/centos/

1、安装

[root@localhost opt]# yum install -y yum-utils  device-mapper-persistent-data  lvm2
[root@localhost opt]# yum-config-manager  --add-repo   https://download.docker.com/linux/centos/docker-ce.repo
[root@localhost opt]# yum install docker-ce docker-ce-cli containerd.io
[root@localhost opt]# yum install docker-ce docker-ce-cli

2、启动

[root@localhost opt]# systemctl start docker

3、查看版本

[root@localhost opt]# docker --version
Docker version 20.10.3, build 48d30b5

4、系统自启动

[root@localhost opt]# systemctl enable docker
Created symlink /etc/systemd/system/multi-user.target.wants/docker.service → /usr/lib/systemd/system/docker.service.