Linux新建用户 ，sudo报错：
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
解决办法：重置一下sudo的属性
chown root:root /usr/bin/sudo
chmod 4755 /usr/bin/sudo
然后就ok了。
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set 的解决办法
原文：https://www.cnblogs.com/justlove/p/11366036.html