[排错] 解决 Linux 运行 sudo 命令时报错 “/usr/bin/sudo must be owned by uid 0 and have the setuid bit set”

报错代码

/usr/bin/sudo must be owned by uid 0 and have the setuid bit set

分析

当 /usr/bin/sudo 文件的权限设置不正确时，会出现运行 sudo 命令时报错的情况

解决方法

# chown root:root /usr/bin/sudo ; chmod 4755 /usr/bin/sudo