在线安装
To install Docker Engine, you need a maintained version of CentOS 7 or 8
参考文档 https://docs.docker.com/engine/install/centos/
- 准备一台centos7以上的服务器
- 清空环境
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
3. 设置源
yum install -y yum-utils
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
4. 安装docker引擎
yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io
yum install docker-ce docker-ce-cli containerd.io
5. 启动docker
systemctl start docker
6. docker服务自启
systemctl enable docker
7. 检查docker状态
systemctl status docker
8. 测试docker
docker run hello-world
备注:
查看linux内核版本
uname -r
查查linux系统信息
cat /etc/os-release