1.Docker的安装
[root@localhost~]#yum install -y docker
2.启动Docker,并设置开机自启动。
[root@localhost~]#systemctl start docker
[root@localhost~]#systemctl status docker
3.获取镜像并查看本地镜像
[root@localhost~]#docker pull wordpress
[root@localhost~]#docker pull mysql
[root@localhost~]#docker images
4.启动容器mysql
