docker命令

1.安装
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

2.开机启动、启动
systemctl enable docker
systemctl start docker

3.版本号
docker version

4.常用命令（运行、查看状态、停止）
docker pull centos
docker images
docker run -itd --name os -p 80:80 centos
docker ps -a
docker exec -it os bash
docker commit os os:1.0.1
docker save os:1.0.1 > os_1.0.1.tar
docker load < os_1.0.1.tar
docker cp /www/ os:/www/
docker start os
docker restart os
docker stop os
docker rm os
docker rmi centos