Linux sudoers

xxx is not in the sudoers file.This incident will be reported.的解决方法 - xiaochaoyxc - 博客园
http://www.cnblogs.com/xiaochaoyxc/p/6206481.html

 

Linux command line basics: sudo | Enable Sysadmin
https://www.redhat.com/sysadmin/sudo

Configuring the linux Sudoers file - Linux.com
https://www.linux.com/tutorials/configuring-linux-sudoers-file/

 

chmod u+w /etc/sudoers

vi /etc/sudoers

chmod u-w /etc/sudoers