装完RHEL7后，重新开机启动后显示：
1) [x] Creat user
2) [!] License information (no user will be created) (license not accepted) Please make your choice from above ['q' to quit | 'c' to continue | 'r' to refresh]: 解决方法： 输入“1”，按Enter键 输入“2”，按Enter键 输入“q"，按Enter键 输入“yes”，按Enter键