更新系统

sudo yum check-update

删除旧版docker

sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine

安装Docker依赖

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

添加Docker仓库

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

安装Docker

sudo yum install docker-ce docker-ce-cli containerd.io

管理Docker服务

启动Docker

sudo systemctl start docker

添加Docker服务

sudo systemctl enable docker

查看Docker服务状态

sudo systemctl status docker