本文介绍如何检查用户是否具有sudo访问权限，并提供了设置sudo为SUID root的方法，以便用户能够使用sudo执行命令。
http://www.linuxquestions.org/questions/linux-newbie-8/sudo-must-be-setuid-root-891420/
Once check whether you've sudo access or not,
It will list all commands that you can run as sudo.
If you have enough privileges, then do SUID on /usr/bin/sudo, as:
It should work then! Good luck!
Code:
example% su root
example% sudo -l -U <your-username>
If you have enough privileges, then do SUID on /usr/bin/sudo, as:
Code:
example% chmod u+s /usr/bin/sudo
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