1.安装

$ yum -y install docker

2.启动docker服务

$ systemctl start docker

3.设置开启自启

$ systemctl enable docker

4.查看版本信息

$ docker versionClient: Version:         1.13.1 API version:     1.26 Package version: docker-1.13.1-94.gitb2f74b2.el7.centos.x86_64 Go version:      go1.10.3 Git commit:      b2f74b2/1.13.1 Built:           Tue Mar 12 10:27:24 2019 OS/Arch:         linux/amd64Server: Version:         1.13.1 API version:     1.26 (minimum version 1.12) Package version: docker-1.13.1-94.gitb2f74b2.el7.centos.x86_64 Go version:      go1.10.3 Git commit:      b2f74b2/1.13.1 Built:           Tue Mar 12 10:27:24 2019 OS/Arch:         linux/amd64 Experimental:    false

5.显示 Docker 系统信息，包括镜像和容器数。

$ docker infoContainers: 0 Running: 0 Paused: 0 Stopped: 0Images: 0Server Version: 1.13.1Storage Driver: overlay2 Backing Filesystem: extfs Supports d_type: true Native Overlay Diff: false……

6.从Docker Hub中搜索合适的镜像(以centos为例)

$ docker search centos

 7.下载镜像（从公网docker hub拉取（下载）image）

$ docker pull docker.io/centos

8.查看本地镜像

$ docker images