1. 访问docker官网
https://docs.docker.com/engine/install/centos/
2. 卸载linux系统中旧版本docker
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
3. 安装工具
sudo yum install -y yum-utils
4. 安装镜像
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
5. 安装docker引擎
sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
6. 启动docker
sudo systemctl start docker
7. 查看docker版本
docker -v