xxis not in the sudoers file. This incident will be reported.

安装完成后出现

Initial setup of CentOS Linux 7 (core) 
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 

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user07 is not in the sudoers file.  This incident will be reported.
出现该错误，显示的是user07不在sudoers文件中。将报告此事件。

应该是新用户的权限不够

解决方法：

vi /etc/sudoers

root ALL=(ALL:ALL)        ALL

用户名 ALL=(ALL:ALL)        ALL

具体实现过程：当用户执行sudo时，系统会寻找/etc/sudoers文件，判断该用户是否有执行sudo的权限