sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set 的解决办法

　　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。