1.拉取centos镜像
docker pull centos
2.查看镜像,找到centos的镜像id
docker images
3.创建容器
docker create -it --name centosFirst 镜像id /bin/bash
4.进入容器
docker start -ai centosFirst
5.启动容器
docker container start centosFirst
6.查看所有的容器
docker container ls
docker pull centos
docker images
docker create -it --name centosFirst 镜像id /bin/bash
docker start -ai centosFirst
docker container start centosFirst
docker container ls