禁止root，处理错误 sudo must be owned by uid 0_哈哈虎的博客

1、使用非 root 登录是，sudo出现错误

sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
处理：重新 root 登录后
chown root:root /usr/bin/sudo
chmod 4755 /usr/bin/sudo
sudo: /usr/bin